Руководство по конструированию бетонных и железобетонных конструкций из тяжелого бетона (без предварительного напряжения), Москва, Стройиздат, 1978 г.- 175 стр.
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Комментарии 1-10 из 11
VIIVIIO
, 27 августа 2006 в 11:42
#1
Настольная книга, нужна всегда, большое спасибо.
Дуремар Корней
, 28 августа 2006 в 10:45
#2
нА ЭТОТ САЙТ И Я ВЫКЛАДЫВАЛ эту книгу. И еще кто-то. И опять… Книга не спорю отличная она тут сново и сново повторяется.
Мурзилка
, 28 августа 2006 в 12:08
#3
Руководство умное. Жаль теперь не печатается.
Дуремар Корней
, 28 августа 2006 в 14:28
#4
pabloskiff
, 30 августа 2006 в 23:32
#5
Дуремар Корней 28-08-2006 14:28
http://dwg.ru/norm/211 Вот руководство тоже самое.И объем лучше.
Это не тоже самое, ваше руководство по проектированию, а это по конструированию…
Serii.ru
, 31 августа 2006 в 15:20
#6
Рекомендации автору скана: в следующий раз при кодировке в DJVU попробуйте выбрать опцию «конвертивать в чёрно-белое», мне кажется, что получится только лучше.
Спасибо за труд!
, 24 января 2007 в 20:02
#7
Настольная книга. Я нашла такую, тока в Ворде.. Выкладываю на этот сайт.
Проектировщик2
, 14 января 2009 в 16:46
#8
Огромное спасибо
Krolik999
, 03 марта 2010 в 01:27
#9
Гость123
, 12 марта 2010 в 22:31
#10
Огромное спасибо автору за труды! Очень полезная книга.
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saHHHMH COOTBeTCTBYIOW.HX roeYAapcTBeHHbIX cr3HAapTOB H HOpMaTH& HbiX AOKYMeHT9 Ha 8p aTYP"*,le, H .n.eJIUH, CBap!lYIO apM3TYPY aaKJl8A- Hble ,neTaJIH ,nnH >KeJIe30()eTOHHbIX KOHCTPYKl{HH. OCHOBHbIe THnbl CB3p- HbiX COeJlHHeHUH CTep>KHeBOii apMaTyphJ H 9JIeMeIITOB 3aKJI8JJ.HbIX AeTa- JleH fipHBeAeHhJ B npHn. 4. 2.6. 1(0HTaI{THaH TO'leQH8H cBapKa npUMeHlIeTCH npn H3rOTODJIeHHH cBapHbIx K8pKacoB , ceTOK H 3aI{JIa,nHbIX AeTaneH C HaXJleCTO[IHbIMH co- eJ.1HHeHHHMH CTep>KHei1. 2.7. KOHTaI{TH8fl CTblKOBafl CBapI{a npHMeHHeTcH .nnA coe,lJ.HHelfHH no AnHHe 3arOTOBOI{ apMaTypHbIx CTep>KHeH. ,[lHatvleTp CoeJI.HHJleMbIX CTep>KHeU npH 9TOM AOn>KeH 6bITb He MeHee 10 MM. i(oHTaKTHYIO CB3pI<Y CTep>KHeH AHaMeTpOtvl MeHee 10 MM nonycK'aeT- Cst npHMeHH1'b TOnbI{O B 3aB0J1CKHX YCJlOBHHX npH HaJIHqHH Cnel{Hanl Horo 0()OpYJlOB8HHH. ' , 2.8. OpH OTCYTCTBHH 060PYJlOBaHHB .n.JIH I{OHT8KTHOii CB8pKH ;llony.... CKaeTCII npHMeHHTb JJ.yroBYIO cBapKY B cne.n.YlOmHx CJIYtf8HX a)- AnSI coeAHHeHHH no AnHHe 3arOTOBOK apMaTypH blX 'CTepmHeD H3 rUpHQeK8TaHblx CTalleH JlHaMeTpoM 8 MM H 60JIee; 6) npH BhlfiOJIH'eHHH cBapHblx COeJlHHeHHH C 1i0pMHpyeMoii npOltHo" CTblO B ceTKax H K8pKacax C npHHY.DJ1TenbHblM c}>OpMHpoBaHHeM Ba, B' HHBellTapHoii .popMe HnH C 06S138TMbHblMH JlonOnHHTenbHbIMH I{OHCTPYK- THBHblMH 3JleMelITaMH B MecT8X cOeAUHel-iuH CTep>KUen npo.nonbHoA H no.. nepeQHoii 8PM8Typbl (KOCbIHKH , JlanKH, KPIOI{H H T. n.); , · B) "PH BbInonHeHHH KpeCToo()p83HblX COeJlHHeHHA CTep>KHeH 6e3 AO- nOJlHRTeJ1bHblX KOHCTPYKTHBHbIX SJJeMeHTOB (KOCblIlOK, JlanOK , KpIOKOB- H T. n.) TOJIbKO .nnH coeAHHeHHU C HeHopMupyeMoH npO[IHOCTblO (HMero. lLlHX MOHTa>KHoe 3H8qeHHe). - 2.9. npH KOHCTpYHpoBaHHu 3pMaTypHbIx H3AeJIHD U saI{naAHbIX Ae- T8neA cne.nyeT cTpeMHTbCSI" K cOKpamellHIO qHCJla UK THnopa3MepOB KaK B npe.n.eJlax >KeJJe30()eTOHHoro 3neMeHT8. TaK H B npeAeJlax pflAa >Ke.ne 306eTOHHbIX KOHCTPYK1J.HA. .2.10. npHMeHeHHe BH3aHoA apMa,TypbI AonycKaeTcB npH OTCYTCTBHH o6oPYAoBaHHH .nnH KOHTaKTHoH TOtIellHOA CBapI{H , 8 T8-K>Ke AnH 9J1e- MeHTOB MOHbnHTHbIX KOHCTPYKUHH cnO>KHO'A KOH Hryp81{HH, ,nnH nnHT C 60nbWIIM QHCJ10M HeynopHJlOIJeHHhJX OTBepCTHM pa3nHtIHbIX paSMepOD H OpM, npH HeBOSMO>KHOCTH MHorOKp8THO HCnOJIb30BaTb A8HHYIO MapKY 8PM8TypHoro H3AeJlHH JlnH npH H3J1H'lIfH cneu.H8JIbHblX Tpe60B8HHH, CBH'; sa HflblX C ycnoBHflMR J13rOTOBJJeHHfI, 3KCnJIY3T8II.HH " Ap. 2.11.. ApMaTypHble I{8PI{8CbI peKoMeHJJ.yeTcH I{OHCTpYHpoBaTb Ila Becb )f{eJle306eToHHbIH 9JIeMeIlT HJlM Ha ero qaCTb. OT)J.EnbHbIE APMATYPHblE CTEP)I(HH 2.12. OT.neJlbHbIe CTep>KHH ,nnH apMHpOB8IIHH KOHCTpYKI.{HH H3rOTOB" nJIIOTCH H3 apM3TypbI, copTaMeHT I{OTOPOH npHBeJI.eH B npHn. 5 H 6. 2.13. llnuHa OTJle,,'IbHbIX CTep>KHeM np31{TH'IecI{H MO>KeT npHHHM8Tb" CSI nlO6oH t TaK K8K AnH peanH3al{HH oTpe3KoB, nOJ1Y[IalO1l(HXCfl npH 3a- I'OTOBI{e CTep>KHeH t HX coe.nHHHIOT KOHTaK1'HoH CTbII{OBOii CB3pKOH C enl ro nOCJ1eAYIOl1(eH 6e30TXoJI.HOH pa3pe3I{H. npll COCT3BJIeHHI1 c eu.lf- HKaI.{HH apMaTypbI 9TO He Y[IHThlBaeTCfl. ,a TJI1Ha OT)(MbHbIX CTep>KHen Orp3HHQHBaeTCSI YCJIOBHflMU 1paHcnopTHpOBI{H, YAOOCTBOM YKn.a.n.KH H np. HeKOTOpbIe tIaCTO BCTpeQ810mHecfl n npaKTIIKe ,rUYTble. ap aTypHble rep>l HH nOKa3 HbI Ha pllC. 1. '1
2.14. ,l(JlIIHbl CTep>KHeii 1-9, npHBe.neHHhlx H8 pRC. 1, onpe eJUnoT" CH COOTseTCTBeliHO no C,JIeiI.)llOllI.HM «I>opMYJIaM: 1 1 = 2 (h x + b x + Lx + 15d); (1) 1 2 = 2 (h x + b x + Ax); (2) 1'J = 2 (h x + Ax ) + b x ; (3) 14=2 (V h +b +6J: (4) 15 = b x + 2 Ax; (5) 16 = Vh + + 26x: (6) B CTep>l{IIHX 4 H 6 c'fopona C COCTaBJUleT: c=O,5V b 2 + h 2 ; x x 1 1 = a + b + 2L1; (7) 'i. = a + b + Lo.n + 2L1; (7*) 18 = a + b l + b l + 51 -I- ; (8) Is. = a + b 1 + b"}. + cl + c 2 + 41 0 .1-1; (8*) 19 = 3, 14 Dt( + In + 2At(e (9) 3neMeHTbi npHMoro oTfH6a (cTep>KeHb 7*) COCT3BnHIOT: "PI" R=5d: 10.n=8,35d. t o . n =6dj npll R = lOd: 1 0 . 0 = 16,21d, t o . o = lid; Ilplf R =- 15d: lo.n = 24,IOd, t o . a = 1&1. 3JleMellTbl HaK..'IOHHOrO OTfH6a (cTep)KeHb 8*) COCrraBJUIIOT: nplt t R = IOd% a = 30° 1 0 .1:1 = 5,24d, t o . H = 2,68d; a = 45° L O . B = 7,85d, 10.H = 4, 14d; a = 60(, 10.H = 10,47d, t o . u = 5, 77d; npH J? = 15d: a = 30° lo.a = 7,86d, lo.n = 4,02d; a = 45° 10.ti = 11» 78d, t o . 8 = 6,2Jd; a = 60° lo.a = 15 t 70d, t o . H = 8,65d. 8
3- G 1- J w 0) a d 18 a / 7 - J b 7* a / d on 7* .(:) b 8) 8 b i 02 ...,; d 18 Ci a r 1- d 20 a lo,H f1 1 t) (2 f) PllC. ). fnYTble apMaTypUble CTep1KHH a - XOMYTbl H wnnnbKH; 6 - npftMble OTrH6bl; 6 - HaK.nOHHbJe OTfH6bl; - Konb 4 eBOH CTep>KeHb; 1 - XOMYT 3JIeMeflTa, pacctJHTaHHoro Ha KpY'leHHe; 2 - 3aKpbl- 'Cbln XOMYT; 3 - OTKpbJTbln XOMYT; 4 - pOM6oBHJJ.llbllt XOMYT; 5, 6 - Wn!f.nbl H; 7, 8 - f'Hyrblft CTep1KeHb AHaMeTpoM 18 H MeHee MM; 7*, 8* - TO me, J1.H8MeTpoM 20 H 60JIee Mtwl 9
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DJ flll d a f CZ: t;: CQ A .J T . . . .. /J) J"- :; £.rr d 1 l u t c ,...........:.. H -:ts Ii J J ! J CQ I ';)., d2 :/ '---.,j II" o)cuu it- uc H ., S' :t- CQ I I '-----' ... r d "" 12 u 5J 2) fl f>'" ----, . ,/ 7 CQ / . X . .I , d1 d'} . --... c . U J 1 1 -r CIQ c::: W nu c e) jE , jlt fia l J) d2 d.J PHC 5. OCHoBHble BH,nbI cBapHblx ceTOK a - ceTKa. npnMe:JHeM8J1 JlnH apMHI>on8J1H)1 OJlHT pa3Hon TOJlLUHHhI, MaCCUBUblK H APyrHx KOUCTPYKuuA; 6 - TO >Ke, A.nfl KOHCTPYKI "dt nep MeHHoA WHpHllbI: 8- ceTK8 CO CTep>KHBMli, 1>3cn0J10>KeHHbIMU no 5nlope H3ru6alOUUiX MOMeHTOB. npH:- h4eHfJeMfUl AJiSI apMupOB8HIUl KOHCOJlbHblX KOHCTpYKllHit, lIanpHNep 1I0)J.nopHbI CTeH; e - TO }Ke, npUMeliHeMaSl )J...'1H OAHonpOJleTHblX UJlIIT; Ot 3 - ceTKH, npHMe- HSleMbTe )J.Jlfl apMHI>OBallUH JlHHeitHbix BHel eHTpeHHO-C>KaTbIJC KOHC-rpYKI1.Hit, Hanpu.. ltep KonOfIH; e, 3IC - ceTKH THna <<JIeCeHKa», npHMeJlfleMble )l.JlSI apMHp008HHA JlHHeitHblK 113r1l6aeMblX KO,tCTPYKI1.Hit, HanpHMep 6aJlOK; U, 1(. - ceTKU. npHMellRe- Mble )J.JI apMllpOBaHHSI 68J10K nepeMeHHoR BbiCOTbJ HaMMeHblJJee Jl.OnYCTHMOe paCCTOSIHHe Me>KJI.Y OCSIMH CTep1KHeH OJj.,.. HOrO Harrpa BJleHIiH U nIH H VMHB ,nOn>KHO 6blTb 50 MM. COOTIiOIlIeHHSI ,lI.H8MeTpOB CBapHBaeMblX CTepmHefi CJle,nyeT npHIUI- MaTb no T8on. 4 (no YCJlOBHHM cnapKH). npH BbI60pe JI.HaMeTpa nOnepeqHblX cTepmlIefi cBapHblx ceTOK c..'fe. JJ.yeT PYI{OBOJlCTBOBaTbCSI He TOJlbKO YCJ10BHJlMH CBapKH, HO H YCJIOBHHMI( }KeCTI{OCTH CeTI{H B l{eJIOM, 06eCneQeHUe I<OTOpOH Heo6xo,ll.HMO npH n01> rpY30QHo..pa3rpY301lUbIX pa60Tax, BO BpeMB TpaHcnopTHpOBKH H YIUlaAKU. 14
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2.25. npn KOHCTPYHPOB3HIIH ceToK, npe,ltHS3H3QeHJJbIX D.J1S1 lIarOTOB- nCHlUI n8 MHOrOTO'leqHbIX M3111HH3X, CJle.llyeT PYKOBO,nCTBOB3TbCH na pa- teTpaMlI 3TUX l'fBIlIHH, Kpo 1e Toro, HY>KHO YIlHTbIBaTb cJIe,nYJo ee: a) 11.onycKaeTcH cB8pKa KpecTooopa3HbIx coe.n.uHeIlIfH CTep1KffeM 113 pa3HbIX cTaJJeiI; 6) ,lUJaMeTp nOnepeqHbIX CTep1KHeH d2, cBapllBaeMbIx B I{pecT C npo- .nO.,TlbHbIMH cTeplKHHMH, AonycI{aeTCH npHHIfMaTb no YCJlOBIiHM CBapKII (CM. T86JI. 4), eCJ1U no paClleTY He Tpe6YeTCH 60JlbIlIHH ,llHaMeTp; no. nepeQlIble CTep1KHH B CeTI{e .D,OJl>KHbI npHMeHSITbCH o,nHoro ,nuaMeTpa H OAHOH ,nJIUHbI; B) npo,nonbHbIe CTep>KHU CeTI{U peI{OMen,nyeTcH npUMeHHTb o,nlloro JIlI8lYfeTpa. )!onYCK3IOTCH pa3HbIe AIiaMeTpbJ, HO He 60Jlee ABYX, npntIeM pa3J1u" 'l8TbCH Ollll ,UOJl>KHbI He 60Jlee 'leM B ABa pa3a; npH 9TOM ,nBa pH,nOM pacnOJIO>KellHbIX CTep1KHH, C'lHTaH OT KpaH, ,nOJI>KHbI 6bITb OAUH8KOBoro JInaMCTpa; r) IliaI' npo,nOJlbHbIX CTep}l{HeH npH )lHaMeTpe AO 14 MM peI{OMeU- .nyeTcH npllHlfMaTb KpaTHbIM 100 MM, npH .lI-u3MeTpe 14 MM H 60Jlee- KpaTHb1M 200 MM; war npo,nOJlbHblX CTep1KHeH MO>KeT 6bITb YBeJIHlJeH npOTUB YI<333HHoro B npHJI. 7 nYTeM IiCKJIlotleHIfH OT,nenbHblX CTep}KHeii TaOJIHLta 5 - f-loMeuKnaTYP8 ()CHOBHhlX yHU4>ULtHpO. B8UHbJX CBapHblX ceTOK. MY 3CI( 1-13 ceTKn wupHHa l B 25 /J 25 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800-3000 800 3000 800-3000 800-3000 d , = 10::-25 .... .. t..) =:6-:-12 55 .....J I.-- ..: i.-- l t.) , ---' k- --Ir---'Io> dol , -- I I OO U I liar no llIHpl-lUe 200 MM. 16 AJUJlJa L c 1450 1750 2050 2350 2650 2950 3250 3550 3850 4150 4450 4750 5050 5350 5650 5950 6250 6550 6850 7150 125 275 125 275 125 275 125 275 125 275 125 275 125 275 125 275 125 275 175 275
L . .. . · 1 L .. .. . . .. . ? .- .. 1 y .. .. .a . .. .. PUC. 7. PeKoMeliAyeMble otJepT8HHfl rHYTblx ceTOK I!pH wHpHHe ceTKH, He Kp8THOH wary npOAonbHblX CTep>KfleH, ocr8rcOK CJleJ1yeT pa3Mel1{8Tb C OAHOA CTOpOHbl; .lI.) war nonepetJHbIX crep)l{HeH liP" ,l1HaMeTpe JlO 14 MM peKOMeH,l1Y" eTCH npHHHM8Tb KpaTHblM 50 MM, a npH JlHaMeTpe 14 MM H 60nee- KpaTHblM 100 MM; MaKcHM8nbHbIA IlIar nonepetJHblx cTep:mHeii pel{OMeH- .nyeTCJI npJlHHMaTb 600 MM; pel{OMeH,llYeTCH H83HatJaTb nocToSlHHblii war nonepetJHbIx qepTelKeH, Aonycl{aeTCSI npHHHM8Tb .nBa mara. 2.26. B COOTBeTCTBHH C n. 2.25 pa3pa60T8HbI YHH$HUlfpoB8HHbIe ceT- Kif .A..'IH npoeKTHpOBaHHH $YHJlaMefiTOB II ,llPyrHx MOHOJlHTHblX KOHCTpYI<- l!liR. COKpalUeUH8S1 HOMeHI{naTypa 3THX ceTOK npllBe,lleHa B Ta6,,TI. 5. 2.27. CeTKI1, H3rOTOBJIHeMbIe Ha MHOrOTOllellHbIX M8111llHax, MO}({HO KOHCTPy"poBaTb. npeJlycM8TpllBall IIX nOCneJlYIowee crH6aHHe B OJlHoii nnOCKOCTH H8 cneu.RanblIbI CTaHKax. B03MO>KHble OllepTaHIiH rHYTblX ceTOK npHBeJleHbI Ha pHC. 7. rIpll 3TOM YlIaCTI{H CeTOI{ B MeCTax cr116a c 'IeJlyeT 1llCTpy"poBaTb no plfC. 8. rUYTbe CeTOK npoIl3Bo,U.J1TCH Ha cT8u.napTHoM rH601JHOM 060py.noBa.. Hlnf, fia paMeTpbJ KOToporo npJ1BeJleJlbI B npU,H. 8. 2.28. rIpll {OHCTPYIIPOB8HHH CeTOI{ Tllna «J1eCeHKa» (CM. pRC. 5, e, :He) H JIH npll OTCYTCTBI1H MHOrOTOlle1lJlbIX MallIOH CJIe.nyeT oplleHTupoBaTbcfl H8 TeXH0J10rHllecKlle B03MO>KHOCTII O,U.HOTOlleIlHblX CBapOllHbIX Ma III II It, napaMeTpbI KOTOpbIX npHBe.neJlbl B npllJI. 9. npH 3TOM ,nonycKaeMoe co.. qeTaHHe AHaMeTpoB CTep>KJleH B KpecTo06pa3110M COeJlIIHeHIUI no YCJfO" DHRM I{OHTaKTHOH TOllellll0ii CBapI{1f Jlon>KUO npHHHMaTbcjJ no Ta6n. 4. 2.29. B ceTKax C HopMHpyeMoH npollHocTbIO KpecTo06pa3Hbix Coe,U.lf- 11£.HI1", nanpHMep npllMeHReMblx ,ll,rlfl apMHpoBaHHH 6anol<, ( BapKa Bcex 2-66' 17
tJ.) :O 2,5d{dnFlA-ltB-I) .D l;d(8nR A-Il) ]} 6d (OJ1N A-/ll) ot. 120D d. 900( tm) JJ 2,5d(DI/RA-I,B-D 11 /id(8nR A BJ ]) Bd (ORR A-i11J Jd I) dsBMM d 6MM A-I,? 8-1 D qd (811 A-I, B-1) . ,]) 8d{DnRA-JJ,A-Jlj} , JJ 8d d. 90 0 · / I : o(.$. 90° ".. J , '-- d,!l8MM 'J d$12MM A-I, B-1 d 5d A-j,A-fj,A:-B! PIIC. 8 KOHCTPYJlPOB8Hue MeCT .crH68 ceTOK G - npfiMble eTep>KUH S8 npe..aen8MH crU68eMOrO YQaeTK.8; 6 - npHMoA e... COBDa,IJ.8eT c nHHHcl erH6a ceTKH. 8 - TO ]Ke, eCJlH D'pSiMOIt c-rep)l(eHb tSonbJllero AU8MeTpa MeeT nepeceileHhH CTep)KHei: (Y3JIOB) JlB.nHeTCSI 06H3aTeJlbHOH, 8 AH8MeTp npO){OJIbHbIX 'CTep>Klleft Ao..q>KeH ObITh He MeHbIlle .n1l8MeTp8 nonepeqJiWK CTep)KHeH. B ceTKax c pa60tJeii apMaTypoA nepllo,nHllecKoro npo4>HJIJ1, npHMe- JUJeMblX ,n..1H apMHpOBaHHH D,TlHT, .n on YCK8eTCSI npeJ1YCM8TpUBaTb CB81'KY HC Bcex MeeT nepeCe'leHHH CTep1KlleU, npH 3TOM JlOR>KHbl 6bITb csapeHbI Bce nepecelleHRH CTep}l{HeA B ABYX KpaHHlix pSl,nax no nepHMeTpY eTKII, -oCT8JIb}:lbIe YS..1b1 MorYT 6blTb CBapeHbI qepes ysen B waXMaTHOM:, no. ))BAKe. KAPKACbI 2.30. KOHCTPYKltI1S1 II ra6apHTbl KapK2ca HaSHallaJOTCH B saBHCHMOCTH 01' BH,na H KOHCTp}'I{THBHbIX oco6eHHocTeft >KeneS06eTOHHoro 3"qeMem8. , . 2.31. KapKacbl peKOMeHJlyeTCst KOHCTpYHpOBaTb "3 nnOCKHX UJIB rHYTbIX CBapH IX ceTOK C npHMeHeHHeM. npH Iteo6xoAHMOCTH, Coe;t.HHH- Te bHbIX Crep>KHeH. , . : Kapl{aCbI" CJle,nYeT KOHCTPYHpOBaTb JlOCT8TOqHO >KeCTI{UMH AnJl -co- xpaHeHHB npoel{TIIOrO nOnO>KeHHSI B ona..1y6o'tfHoft $opMe, a TalOKe 'npH CKna,nJlpOBaHHH H nepeB03Ke. npOCTpaHCTBeHHafi >KecTKOCTb KapK8ca JlO-'!)KHa ooecnetJHBaTbCJI aaMKHYTblM KOtlTypOM H npHBapKOH B He06xo- I
1 3d 1.1 He DonEe 6 M 2-2 1 2 t-1 2 aJ PRC. 9. 06ecnetJeHHe npOCTpaHcTBeHHoii >K.eCTKOCTH KapK 8 (lOCTa HOBKO" Cneu.U8JIbHblX cBSl3eA U3 ,llH81"OHanbHblX cTep>KlieH 1 - KapK8Ci 2 - AHa.rOHanLHhle CTep)KHu"cBSl3H; 3 cBapK8. aJ 6) 20 ooo'n - . 2 20 PRC. 10. ApM8TypHble KspKacbI, OOpSSoB3HHble us nnocKlix ceTOK I{QR- TaKTHoii TOqeqHoft cBapKoM , a - npHBapKoA I{ ceTKaM coeAHUHTe.,1bHblX CTepH<HeR: .{j - 06'DeAHHeHHeM ceTpK CBapKOR nOnepe'lHblX CTep>Kt1eit ceTOK O.D.HoA DJ1OCKOCTH K npO,D.o..1JbHbIM CTepHtHHM CeTOK APyroA nJlOCKOCTU; 1- ceTKH; 2 - eoeAHfiBTcnbfiLie CTep)({IIH 2. 1"9
.D.UMbIX CJIYQ8SIX (a npu .nJIHHe 6 M H oOJ1ee B o6S1saTe..'IbIIOM nopSI,lU< ) p.uac»parlt{ }f{ecTKOCTH B Bu.n.e cneu.naJIbHbIX cBSI3eH U3 HarOHa.,IlbHbIX CTep>KHeH, nnaHoK If T. n. (puc. 9). 3aKJlaAHhle .n.e-raJlH M cTponoBolIHbIe YCTPOHCTB3 - neTJ11f t TPYOI{H " T. n. - peKOMeH.n.yeTcH 3apaHee KpenHTb K Kapl{acy ecJIH npIl 3TOJ,( 6y- AeT ooecneqeHO HX $UIcHpoBaHHoe n0J101KeHUe B $opMe u B rOTODOM .>KeJleS06eTOHHO [ 3,neMeHTe. ra6apJIThl KapKaca AOJ1}KHbI y.n.OB.,IleTBOPSITb yc,nOBl1S1 [ TpaIlCnOp'fH- pOBKIf. 20 20 2 1 PUC. II. _4pMaTYPHble KapKaCbl. 06pasOBaHHbIe K3 rHYTblX ceTOK KOH- TaI{THOH TOqellHOii CBapKOH / - TlfYTafl ceTKa: 2 - coe.nHHHTeJibHblii CTep t{eHb a) 2 1 ('/1 0) z <Jr J t 3 EJ 4 . 3 PI-IC. 12. Ap1t3TypHble KapKaCbJ, o6pa30BaHHbie HaHHSbIBaHne ( (-fa "PO- " u .lI.!>.abHblc CTCp}l{HH sapaHee USrOTOBJIeHHOH nonepellHol1 ap 1aTypbI (I - nOnepeqHas. apM8Typa B BH)J.e CE'TOK, H3roToBneHHbiX KOHT81<THOi'l TO"leIHoit cBapKoii; 6 - nonepeqliaB apMaTypa B BH..!1.e XOMYTOB, KOIIUhI KOTOpblX coeJJ.IUIClihi KOHTBJ<Tl-fOit' TO"lC'IIIOft cBapKoft; 1 - cBapuble ceTKH nonepeIHoii apMBTypbl; 2- npO.!I.O n bHaS1 apM8Typa; 3 - XOMYTbl; 4 - TO"leIHafl CBaplHt 2.32. Kapl<aCb1 pei{OMeHAyeTcSJ o6pa30BbIBaTb c,neJlYJOIlUIMII cnoco- 6a Mil: 20
a) U3 n.nOCKHX ceTOK nYTeM npHB3pKn K np0J10JIbHbIM CTep>KHHM co.. u eAUHHTeJIbHblX CTep>KHeH u.nn nOnepeqHLIX CTep>KHeH ceTOK ,lI.pyrol"O Ha.. npaBneHHH (pHC. (0); 0) npHMeneHHeM mYTbIx CeTOK (pHC. 11) C 01:IepTaHHeM, KOTopoe MOJKHO nonyqUTb Ha CTaH.LlapTHOM rH6oQUOM 060py,nOB8l1HII (CM. UpU,,1. 8). ,QuaMeTpbI CTepJKHeii rHYTblX CBapHblX ceTOK, pa.n,nYCbI II yr.nbI 3aru.. 6a, pacno..1'f01KeHMe npO,ll.o..'1bHblX CTep}I{lICH CJIe,llyeT Ha3HallaTb C Y'ICTOM I<JIaCCOB npUlteHSIeMoil apMaTypbI B COOTBeTCTBMU C pUC. 8; B) nYTe 1 HaHHSbIBaHHSI Ha npO,ll.OJIbHble CTep1KHU nOnepellHbIX CTep1KHeii, COe,QHHeHflbIX B OT,lle,nbHbIe CeTl{H KOHTaKTHOfl TOllellHOii CBap- Ioii BCeX nepeceqeHuii (pUc. 12, a). nOCJIe HaHM3blBaHUSI npO,ll.OnbHblc It fiOnepeqHble CTepJKHH COe,ll.HHHIOT CBapI{oii npH 1i0MOW.U K..1'few.eH. rIpH OT. CYTCTBHH CBapO'IHblX I{new.eM 10>l{eT npOU3Bo,nUTbCH BHSKa 3TIIX nepcce- 'jeHHH; B aTOM c/lyqae peKOMCHAYeTCH o6ecnetJUBaTb npOCTpaHCTBeHUYJO >KecTKOCTb Kap){aCOB npUBap){OH J1.0nO,nHHTeJIblibIX CTep}l{HeH, nJ1anQK U T. n. npu He60,nblliOM 'Iuc:Je npOAO JIbnbIX CTep>KHeH nonepe'InaH apMaTY- pa MO>KeT Bbln 'IHSlTbCH U3 O,l(Horo rHYTOl"O CTep>KHH (no Tuny XOMYTa) C KOHTaKTHOH TOlle':lHOH CBapKoii ero I<OHllOB (Pl.Jc. 12, 6). CTbIKJ-I I{OHIJ.OB [{PH 9TO 1 peI{OMeH,nYeTCSI pacn 'IaraTb B pa3HLIX yr..r18X nonepetJnoro l{OHTYpa ){apKaCa (Bpas6e>K){Y); r) nYTeM lIaBUBKU nOnepe'lHOH cnnpanLHOH apMaTypbl H npO,ll.0t11b" UYIO apMaTYPy C TOllellHoii CBap){OH Bcex nepece1leHHH B npou.ecce HaRlIO'" I<U (puc. 13) . nplf STOM ee/lu CnlIpaJ1bUaR apMaTypa He YIlUTbIDaeTCH 8 paClleTe KaK KOCBeHHaB, C Tpe60BBHJUIMlf n. 3.72 HaCTOHInero' PYKO- Bo.n,CTBa MO}Kf10 He CtJUTaTbCB. 2.33. ,Q..'1H C60Pl{H H cBapKH ){apKaCOB B saBHCUMOCTU OT HX KOII. CTPYKTUBHblX oc06eHHocTeii, KaK npaBUJ10, npHMeHHIOTcH ropH30HTanb- I:ble. BepTHKa 'IbHbIe U 'IH ,,1uHeHHbIe YCTaHOBI{U, oCHaw.eHHbIe cBapotJHbt IH KRell{aMH nfl KOHTa){THOii ToqellHoH cBapKH KpecTo06pa3HbIx nepeccqe.. } UH. npu 1<0HCTpyupoBaHuu J{apJ{acoB He06xoAHMO YtJuTbIBaTb TeXHHQe.. u CKue BOSMO>KHOCTH CBapOtIHblX )(J1ew.eH 3TUX YCTaHoBoK t npBBe,neHHbJe B npu/1. 10. MUHHManbllbIe paccToHHUSI B cBeTY Me>K,l(y CTep>KHHM1I, npH KOTO" pblX 06eCnellUBaeTCfl 6ecnpenHTCTBeHHb1H npoxo,ll. SJ1e){TpO,ll.OB CBapOtt- HbJX KJ1ew.eii ,lI..nD KapKacoB JlHHei%Hblx >Ke 'IeS06eToHHbIX aneMeHTOB, npu- lie,ll.eHhl Ha pUC. 14. npH aTOM ,lI.llaMeTpbI npO,ll.OnbHbIX CTep1KHeft O,,'1}K- Ubi 6blTb He 6 'Iee 40 MM, a nOnepe'IHblX - He 60J1ee 14 MM. 2.34. rlplI OTCYTCTBBH cBapollHblX I{JIeIlleii o6pa30BaHue KBpl<acoB .nJIHeHHbIx 3"TJeMeHTOB MO>KeT ObTTb BblnO..1'fUeHO cne,l(YJOllJ.BMI{ cno.. c06aMu= ' a) nJloc){ne ceTK11 coe.nUHSlIOTCH np" nOMOlllU CKOO nOCpe,ll.CTBOM .n,y- rOBoi1 cBapKH ux C nonepellHblMH CTep>KHHMH (puc. 15). B KOJIOHHax. B 6anKax, pa60TaIOw.Hx Ha KpYlleHue, a TaK>Ke B c>KaToii 30He 6aJ10K C yqll" 1'bIBaeMoH B pactJeTe C>KaTOH apMaTypoH ,lI.nUHa cBapHbIx lliBOB Iw o..TJ}K" na 6bITb He MeHee 3d U He MeHee 30 MM, r e d - ,nHaMeTp xOMYTa; 6) n o Klle ceTKH Coe,nUHHIOTCH npu nOMOl1.(li llinHneK C BHSKOH BCex nepeeelleHlIlI (pnc. 16) U C 06ec.nelleHHeM MOHTa>KHOH >KecTKOCTI1 l{apKa- ca npuBa pKOH CTep>KHeft, nJJaiIO){ II T. n. B) nJlOCKUe CeTI{U COe,l1UHflIOTCH MeJK,l(Y c060ii nYTeM ,lI.yroBOi1 CBB p.. KII npO OJIbHbIX CTep>KHeH (pHC. 17) BOS/ie Bcex MeeT npUBapKU XOMY" TOB. .L(JIHHa CBapHbIX WBOB 1m ,lI.OJ1>KHa 6blTb He MeHee 40 MM. Tal{Be CO- eJlHHeHliH ,lI.OnYCKalOTCH npu HaCbll1.(eHHH celleHUH apMaTypOH He 60- nee 3 /o: 21
1 z 2 " 1 1 (1)2 1 t'J 2 Pac. 13. ApMaTypHble KapKaChl, o6paaoBaHHbie nYTeM HaBHBKH nonepeq.. Heii CRHpaJIbHOii apMaTypbI JI8 npOAo..1bHYIO apMaTYPY J - Tep)KHH DPOAOJIbHOA 8PM8TYPW; 2 - nOnepe'lH8S1 CnHpaJIhflan apMaTYP f ( ...,. 11-" 1 Ir-Jrj .... rrr i ' ,." o (""Tr" I ,1-'..L ;JILt' TTTr ,I Ii ", ./ TI ,-, b 1-1 PH,C. 14. nO.nO}KeHHe cBapollH IX KJlell{eH npH cBapKe Kap- K8ca n p H M e q a II u e. npe.ne HbIe pa3Mepbl HlleeK KapKaca H Jl.H8MeTpoB CTe ))')Hlleii npHse.neHbI B npun. 10. 22
2 1 2 t 2 o / 1 2 1 3 2 PRC. 15. ApMaTypHblH KapKac, o6pa30BaHHblfi U$ If!IOCKHX ce- TOK, 06'be,l1UHeUHblX cKo6aMU npu nOMOIUU .nyroBoH CBapKU 1 - ceTK8; 2 - cKo6a; 3 - CB9pHoR mOB 1 2 2 oJ 2 ') . 2 PRC. 16. ApMaTypHbIH KapKac, o6pasoB8HHbIH H3 nJ10CKHX CeTOl{, 06'beJl.UlleHHbJX C nOMOlllblO npHBSlsbIBaeMbIx WRHJleK 1- ceTKa; 2 -iDfiHJ1bKa 1 1 1 (1) o PUC. 17. ApMaTYPHblH l<apKac, o6pasoBaHHblH U3 n,nocKux ce- TOI{ c nOMOIU.bIO n.yroBoH cBapKu npollo.,TJbHbIX CTep>KHeii J - nnOCI<8Sl ceTKa: Z - JIyrobaH ,cBapka.. h 1IJ8 =6 MM 23
2 1 2 2 / --=0 PUC. 18.. .A.pMaTYPHblH Kapl{aC, oopaSOBaHHbIM liS l"HYTbIX XOMYTOB H npOJlOJJbHbIX CTep>I{Heii C BSl3KOU Bcex nepeCeqeBHM J - npo.no.nbI1bfii CTep"{( Hb; 2 - XOMYT 1 1500 J 1450 1f! 1.l J f 5950 4 2 4 I / J t. 1_ _ _ .1_ _. , / 1 _____J I I I I I I A I ./ I I ..- - -'p--' "---7-'- J .21t- 145 -;- 1500 1-1 t J 1 J PHC. 19. npHMep apM3TypHoro J{apKaCa, 06pa30BaHHoro H3 nnOCI{HX ce- TOK npllBapKofi ..flanOK .nyroBoH CB3pKOil I - nJIOC'UIC CeTJ<lf; 2 - nOnepe'lHble CTepX<flH C JI8nKaMII; 3 - 3JIeMeU..Tbl }1eCTKO CTH; 4 - CKo6b1; 5 - .l4yrOB8H CBapK8 r) npO,lJ.O..flbHble CTep>KHH U rHYTbIe XOMYTbI COe}lHHSlIOTC.H BH3'{OM fie.. p(.lCeqeHHll 1I npUBapKoii 9.neMeHTOB 1KeCTI{OCTH (puc. 18); Jl) flJlOCII1e CeTKH coeAfIHHIOTCH C nOMOlLl.blO npOMe>KYTO'lHblX 3J1e. MeHTOB (KOCbIHOK, nanOK, KplOKOB 11 T. n.) nocpe,ncTBoM yroBoM cBapl<H (pHC. 19). l-Ia-aa 60JIbUIoir TpY,lJ.OeMlocTH }<apKacbI, npuBe,neHHble B n. 2.34 ua.. (:10Hlu.ero PYKOBO!lCTBa, onYCKaeTCH npHMe1I1ITb B BH,ne HCKJJIO'leHHH. 2.35. 06p3aoB3HHe I<apKacoB A,,1H apMHpoBaHuH nnOCl{I1X }I{e,,'Je30- 6eTOJUlhlX 3..'1eMeHTOB THna nJIHT, CTeHOBbIX naue..iJeH H T. n. pel{OI1eH,lI.Y- C;'!CH npoH3Bo H1b c TIe.nYlolu.nM o6pa30M: a) pSlJl. CeTOK Tuna «.neceHKa» 06'be}lHHSIeTCH nocpe.ll.CTBOM coe.nu- u . HI.ITe"llbHblX CTep>KHell, npIlBapHBaeMblX npH nOMOlLl.H CBapOqJlbIX Kne.. lU.€H (pIlC. 20); 24
J , 1 PHC. 20. flpuMepbI aplfaTYP- HbIX KapKacoB n,,'JOCKUX >Ke- JlesoOeToHHblX 3J1eMeHTOB a - ceTKH THna «neceHKa» 06'be'" ):{HHRIOTCB B KapKac npHBapKoH coe,nltHHTeJIbHblX CTepJKHeit; 6- 06p 30BaHHe KapKaca CB8pKOA ceTOK THn8 «JIeceHKa», p8cnono- >KeHHbIX BO B3aHMHO nepueH,nHKY- JUlpnhlX uanpaBJICUH5IX; 8 - TO )Ke, c npHB8pKoR B BepxHeit HnH nHiKlleit nnOCKO- CTH K8pKaca n..10CKH>C CeTOKj I - CBapnaH CeTKa THna .neceHi<8»; 2...... Coe,lJ.HtlH- TenbHble CTep>KtlH; 3 - CBapH H ceTKa THna «J1eceHKa» ,npyroro HanpSBJleHHR H MeHbweit BhlCOT!.)I: 4 - HlljKlfRJ( cBapH8R nnOCK8R CeTKa; 5 - BepXHSUf CBapnan nnoCKaH CeTKa 1. i1 1 f-1 1- J 2 1 PHC. 21. IlpHMep ap1aTypH01"0 l{apKaCa To.,'CTOii >Ke,,'Jes06eTOHHoii n 'IHTbl J ....... ropH30llTanhHaH n..10CKan ceTK8; 2 - BepTHK8J1bH8n nnOCKan ceTKa TUna «.ne- ceHKa»: 3... 3neMeHTbi *eCTKOCTH 6) ceTKIf Tuna «JleceHKa» O.nH01"0 HanpaB.,1eHUJI coe.nUHHIOTCH CBap" ROft c TaKHMIf }Ke ceTKaMU, HO MeHbllleH BbICOTbl APYl"OrO HanpaBJleHIIH; B) TO >Ke, 1-10 c npUBapKOH B BepXHeH u.no HH>KHeii n 'IOCKOCTlI Kap- J<aca O.ll.nOH UJiH ,l1BYX n,,TJOCKHX CeTOK; , 1") KapKaCbl TO.,'1CTbIX }Ke,,1e306eTOHHbIX MOHO 'IUTHbIX n..1lfT peKOMell- AYeT H co6upaTb no pHC. 21 cBapKoH CeTOI{ lfe .ny C060H npH nOMOIU-U " u v T01JeQHOH "JiU .nyroBoH CBapl{OH. 2.36. nOpH,l10K BblnO,,IlHeHUJI C60PI{H H cBapKu KapKaca .n.o,,TJ>Kell 6LITb oroBopeH B pa60f)HX 1J pTe>Kax. AHI(EPOBI(A APMATYPbl 2.31. ApMaTYPHble CTep>KHU B 6eToHe JIHWb Tor.na MorYT Boc.npn- IiHMaTb HanpSI>KeHHSI, Kor.na HCKJIIOqeHa B03MO}KllOCTb HX npOCKaJIb3blfia- 25
, HUH. ,l{JIft npe.n.OTBpaw.eHU" npOCKaJIbSLlBaHJfH OHM Jl.On>KHbl HMeTh (,(8": .neJKI-IYro a HI<epOBKY . 2.38. AUKepoBKa OCyl.ltecTB.nSIeTCJI OAHJfM H3 CJle.nYIOw.Hx cnoco6oB BJIH ux C01JeraHHeM (puc. 22): a) cu.enJIeHHeM npSII1bIX CTep>KlleM c 6eToHoM; 6) KplOKaMu HJIH JIanK3MH; a) 0) 8, III! " ., ...... ,: ...... : 2) 1-1 OJ. -... 11.. ,1 1 "" ........ ..... PUC. 22. AHKepoBK8 paOOqeH apMaTypbl B 6eToHe 3,neMeHT8 II -Cl(enneHHeM npitMblX cTep>l<lIeA C oeTOIIOM; () - KpIOKaMtt: 6 - naOK8MH: t neTnRMH; iJ - npHBapKoA nonepetlllhJX CTep1KHeA 1-1 , 2 I::::t t: 1 J! PIIC. 23. nOnepeqH apMu- pOB3HHe 8 30He 3l1Kep08KH neT .rlD I - neT.nft; 2 - non pe'lHhte CTep}(UiH He MeHee 2 /2J 6 MM 1 B) neTnHMU; r) npHBapKOH nonepellHblX CTep>KHeA; A) cneu.HaJIbHblMU npllcnoco6neHHHMH (aHKepaMu). 2.39. AHKepoBKa 3a CqeT cu.enJIeHHH npSIMblX CTep>KHeii c 6eTOHOM J(onycK3eTCfl TO.'IbKO ,nnH apMaTYP nepUO.D.UqecKoro npot}>HJUI. npH 3'fOM cJle,! YeT HMeTb B BHAY, liTO npOIlHOCTb CnenJ1eHUH B03paCTaeT C yaeJUIQeHlleM 3$clJeKTHBHOCTII npO HJISI nOBepXHOCTH_ c nOBbIWeHHeM npO'lHOCTIf 6eTOHa, a Tal{>Ke npH na..rIH1JHH nOnepeqHOrO C>KaTlISi. 1'1. 1Ia- 060POT, Tpe6yeTcfl 6:6J1bI1I3H ,nJIHHa aHKepOBKH c nOBblllIeHHeM npO'lIlOCTH 6
( nacca) apMaTypbl, c nOBblWeHHe", ,nHaMeTp3 CTep>KHJI, a T8K>Ke npH ..aJJH1jHH nOnepe'lHOrO paCTH}KeHHR. · . Ha .R,nllHe aHKepOBKH ,no..1>KeH 6bITb ,nOCTaTOtlHbIH 3aw.HTHblA CJIoA 6eTOHa H B HeKOTopbIX c.,qyqaHX, ocooeHHO npH CTepJKHHX JlH3MeTpOM 16 MM H 60nee. nOnepe'lHOe apMHpoBaHHe. YCTpOMCTBO JIanOK ,nonYCTlfMo To,nbKO ,n,,1H CTep>KHeH nepHollH'lecKo" fO npo4>H41S1, ,nnH rna,nKI1X C1'Cp>KHeA HY>KHO npen.ycMaTpHBaTb KpIOKH. AHKepoBKa neTJIHMH MOJKeT npHMeHSlTbcSI KaK ,nJIH r 'IaAKHX CTepJK- ileA, TaK H ,nJIH crep1KHeA nepHo,nH1JecK01"O npoq>lInJl. npH STOM 8HKepOM C1JHTaeTCH T.aKaii fleTJISI t Y KOTOpOH 06a CTep}KHH (06a KOHna) paCTHIIY" TbI B OtlHH3KOBOH CTeneHH. Ha .D.JJHHe aHJ{epOBKH neT 'IH Heo6XOJIHMO npe,nYCMaTpHBaTb none- pe'lHOe apMHPQBaHHe no puc. 23. nonepetlHaSi apMaTypa YCTaHaSJIHBa.. eTCH no pacqery lIa BbIKaJIbIBaHHe 6eTOHa H AOJ]>KHa COCTOHTb He MeHee 1JeM K3 JJ.BYX CTep>KHeH JU1aMeTpOM no 6 MM. 11pllBapKa nOnepe'lHbfX CTepX<Heii HJlH cnellHanbHblX npHcnoco6neHHA u .AnSI aHKepOBKH OT,ne..1bHblX CTep1KHeH npHMeliHeTCH, eCJIH aHKepOBJ<8 CueOJleHHeN, KplOKaMH HnH neTJIHMH HeAOCTaTOtJHa., 2.40. npOn.O..1bHble CTep>KHH pacTSIHYTOA H C>K8TOil apMaTypbl AO.,1}1{- HhI 6L1Tb saBeAeHhI 3a HOpM3J1bHOe K OpOAOJIbHOA OCR 9JIeMeHTa ce'IeHDe, B KOTOpOM OHH Y'lHTbIBaIOTCH c nOnHbIltl paCqeTHblM conpOT.HBneHHeM H8 Al HHY He MeHee laH. onpe,l1eJlJIeMYIO no cl>opMYJIe Ian = ( maR ' R Ra + MaR) d, (II) up I 110 He MeHee laH=AaBd, fAe 3HaqeHHll mas, AaB H AaR' a TaK>Ke ,n,ony- CKaeMb1e MHHHMaJlbHble BeJlHIJHHbl laB onpe,AeJIJlIOTCfl no Ta6 'I. 6. fIpH 9"r-ou pacTSlIIYTbIe rna.ll.l{He apMaTypHbIe CTepJKHH AOn)KHbl OKaHtfHBaTbCB KpIOK8MH UJIH IIMeTb npHBapeHnylO nOnepe1JHYIO apMaTYPY Ha AJIDRe 33- ,I1eJJKH. Ta6J1Hna fi 3Ha'leHJUf m aHt L aH' "'au H laH AJISI apMaTYPbl a BHAe Y CJJOBJUI pa60TbJ CTep>K HeR nepll0 "-q-ec KOro rJ18AKHX CTep>KHeA apM8TYpbJ npOcPH.n maR I AAali A aH J laH' NM m aH I 8H , A H IletH' M" lIe MeJlee Be MeHE'e 3an.eJJK8 pacTSIHY. 0,7 11 20 250 1,2 11 20 250 TOn apM3TypbI Jj paCTflHYTOM 6eTO- He I , . 0.81 3an.eJlKa C>KaToft 0,5 8 12 200 8 15 200 H pacTHflYTOiJ iij)- M8TYPbJ B C)K8TOlt I 6eToHe 27
II0d 0) 0) 1.0H to.'/ 5Dd , 't , I OtJ 40d JOd 2311 JOtJ 28d. 20d 19,5d 25d 15d 12d Rq(6J ;f5 NIl(6J KtG/Cllt G K2t/CH I tc-)",,> .n..flHUY 3a.a.enl{f[ BpMaTypHblX CTep>KHeH B 6eTone pasHblx MapoK B SttBtlCIIMOCTH OT Be"fJHtJHHbl HanpSI1KeHHfl B CTep>KHe H OT K,nacca apMa:cy- phi pCKoMeH.nyeTcH OnpeJl.eJJHTb no l"pacpHKaM p HC. 24. ,a..1S1 onpe,ne.neHHS1 nO rpacl>HKY pHC 24t a ,DJIHHbl aHKepOBKH pacTH.. JIYToro CTep1KttH ,nHaMeTpOM d H3 apMaTypbl K.'Iacca A..III (Ra=- =3400 K1"c/cM 2 ) B pacTHHYTOM OeTOHe npoeKTHoH MapKff Jv1300 HaXOJl.Hlt 8ua i leUHe RIi=3400 Krc/cM 2 lIa OCH aOCu.Hcc H H3KJIOHHYIO npsn,1YIO AnSI f)cToHa MapKII M300. OT TOtJKH nepeCeqeHllfl 9TOH HaKJIOHI-IOH npJlMOH c nepneH,llHKYI1HPO 1 I{ OCH aocnHCC B TOqKe C Ra=3400 Krc/cM 2 npoBo- AltM napa.nJ1e.J1L1JO OCH a6cl.llfcc nHHHIO ]1.0 nepeceqeHIIJI C OCblO 0P.D.HH8T. rje " qH'raeM SHaqeHHe laH=28d. )J.J1H onpe.lle.!leHHH no rpacpHKY pHC. 24, 6 ,llnHHbI aliKepoBKIl paC1'St.. IiYToro CTep.>KUS1 ,llHaMeTpoM d lIS apMaTypbI nepHolU 1 tJecKoro npocl>HJ1H B C>1<3TOM 6eTOHe npoeKTHoH MapKH M300; B cnyqae ]{OfAa BCJ1IIQHUa Ita.. J1pSl>KenHH B CTep>KHe O'a no paCQeTY MeHbwe R a H COCTaBJ1S1eT 3100 lrc/cM 2 . HaXO,llHM 3H8 1 IeHHe O'a=31oo l(rcfcM 2 Ha OCII aocuHCC I'; IiCKlIOtIH}"IO npSit1YIO .AJIH 6eTOHa MapKH f1300. OT T01.JI{H nepece'ieHHSI 9TOH H8K"JIOHHOI1 npSlMolf C nepneH,lI.HKY J1HpOM KOCH B6cU.HCC B TOtJKe C Ua =3100 IrC/CM 2 npOBo.nUM napaJIJIeJIbHO ocu a6CQHCC JIJIHHIO .no nepe.. CeqeUIIH C OCblO 0p.AHHaT, r.ne H qllTaeM SUallelIHe litH = 19)5d lUlU C oKpyrJ1enneM 20d. 28
JInH onpene eHHH no rpa$UKY puc. 24, 8 ,1I}lUHbl aH- KepOBKU r,na.nK01"0 paCTHHYTO- 1"0 CTep}KHJI 83 apMaTypbl 1{ 'I cca A-I B paCTJIH}'ToM 6e- TOHe npoeKTHoH MapKu 1250 lIaxo.zUIM SHalleHHe .n.nH 6eTO.. Ha MapKu M250 Ha OCH a6c.. nUCC U COOTBeTCTBYJOlllYIO ,llaHHot1Y c..flyqalO KPHBYJO 2 , OT TOIII{U nepecelleHufl 9ToH KPUBOii c nepneHAuKY.11J1pOM K ocu a6cll.ucc B TOIIKe AJIH 6eTOHa MapKII M250 npoBo- AUM napaJlJ1eJIbllO OCIf a6c.. l1.HCC ,,'1UHUIO .no nepeCeqelIHH C OCbIO Op.aHHaT, r.ne If I.J.H- TaeM SHalleHHe laH=34d. ECRU B.nO..flb aHKep)reMoro CTepJKHfl B paCTJlHYTO 6eTO- He no paCqeTY 06paaYlOTCH Tpelll.UHbl, TO CTepJKeHb ,lI.OJI- }KeH 6blTb sa.neJIaH B C>K8TYIO 30HY 6eTOHa Ha .n 1 1HHY , dO , onpe)(eJIJleMYIO no cpopMYJIe (11) HJIli no rpa$uKY pllC. 24. ECJIH nnow.aAb CeqenHH $aKTUqecKu YCTaHoBneHHoro aHKepyeMol"o CTep>KHJI Fa,ip 60JIbille Tpe6yeMoH paclleToM no npollHoCTU Fa.p, TO AJ1HHa 8HKepOBKU 3Toro CTep}f{IUI MO>KeT 6blTb YMeHbllleHa ny- TeM no.nCTaHOBI{IJ Be..flHIIIlHbI Fa.p C1a=Ra F BMeCTO 3HalleHfJSI a,f) Ra npu onpe.neJIeHHU Lan no $opMYJ1e (11) UJIH no rpacpn- KaM p1fc. 24. 2.41. AHKepoBKY npo- .nO 'IbHOrO CTep>KHH npH lIe- B03MO>KHOCTH BbInO.nHeHHH yKasaHHbIx B D. 2.40 HaCTOH- w.ero PYKoBo.nCTBa tf'pe60Ba- HUH Heo6xo.nUMO 06ecne T IHTb c nO_MoIlblO CJIe.nYIOw.Hx ne. QuaJlbHbIX Mep (npH 3TOM BeJIUqUlia laB ,nOll>KHa (5bITb He MeHee J Od) , a) nocTaHoBKoH KocBeHHoH apMaTypbI B BHAe cBapHbIx nonepeqlIblX CeTOK unH OXBaTbIBalow.ux npo.nonbHYIO apMaTYPY XOMYTOB; B 3TOM CJIY- qae A 'IUHa SOHbI aHKepOBKU lao, onpe.neJleHHaJI no cpopMYJIe (11), MO- JKeT 6blTb YMeHblUeHa nYTeM .nMeHUSI Ko9$$Ul1.UeH1'a maB Ha Be lIqHHY °6 1 + 12.....g " YMeHblUeHIIJI K03cI>cI>Ul1.UeHTa t:.'Aa.n H8 BeJIHqUHY 10 - R J np B) iim 50d 40ri J4d JOd 25d 20d 15d M6ET f't') I(") PHC. 24. fpa$IIKU .n,,Jlfl onpe.neJIeHUH JIJlUHbI aHKepoBKu apMaTypHbIX CTepJK- A Heft B 6eTOHe paSHblx MapOK a - ,llnHH8 BnKepOBKII P8CTSlHYThlX CTCp1KHeit nepHO,llH'leCKOrO npo<}>lllIJI. pacTfllfYTOM 6e. TOHe; 6 - ,llJtHHa 8HKepOBKH P8CTSlHYTblX "JIB c)({aTbIX CTep>KlfeA nepHO,llH1JecKoro npoc1>HnSi B C>I<8TOM 6eTOtle; 8 - ,llnHU8 aHKepOBKH rna,llKUX CTep>l<netf: 1 - paCTJfnYTblx Knacca B- I B P8CTSiHYTOM 6eroHe; 2 - TO >Ke, Knac- ca A. J; 3 - paCTAtlYTbiX KJlH C>K8TblX KJl8C" ca B-1 B C)l(8TOM 6eToHe; 4 - TO me, KJtac. e8 A - I " 29
1 9 1 /J 2 7 " 1 1 1 2 J PUC. 25. AHKepOBKa npo.nonbHoro CTepiKHJI C nOMOI.I.lb1O cnel{H3J1bHblX YCTPOHCTB I - ()eTOH; 2 - 8HKepyeMblA CTep>KeUb; 3 - Kpyrnan HJlH KBaAP8Tllafl CTaJIbH8S1 w8A6a; 4 - CBapKa; 5 - 0611{8THe; 6 - BblCa>KeUUafl ronOBKa; 7 - CT8.11bllOA yro.. .nOK; 8 - pe3b6a CAe f.tJC - 06'beMHbIH K03cM>u HeHT apMUpoBaHHH, onpeAeJlHeMbIii: npH CBapHblX ceTK8X - no $opMYJIe tt,C - rK- nlfcl1l + nJc2 1 2 II 'is , (12) r,l(e ftl , f Cl H 11 - COOTBeTCTBeHHO qHCJlO CTep>KHeM, n..1omaAb nOnepeqHo- ra CeqeHHSI H Jl)IHHa CTep>KHH CeT1{H B O.llHOM HanpaB- JleHDU; n 2 , f C2 H lz - 'r.o )Ke, B ,lI.PYl"OM HanpaBJIeHHU; s- paccToHHue Me>K.ny ceTKaMu; np" OXBaTbiBalOlUHX npO O,'IbHYIO apMaTYPY xOMYTax-- no tj)opMyne x Ix fi K = 2ltu ' (13) CAe f x - D,TlOma)J.b ceqeHUSI OfHOalOlLerO xOMYTa, pacITo.,fJO}l{eHHOl"O y rpa.. Heo aneMeHTa; a - paCCTOJlHUe OT paBHO,ll.eticTBYIOIT(eH ycunl-di B pacTH- uyroA npOJI,O,TlbHOM apM8Type (npu apMaType O,ll.HOro KJIaCCa - pacCToH- iU'le 01' ueHTpa TSl1KecTH nJlOma,ll." nOnepeqHOrO CeqeHHH apMaTYPbI) .no .J 6nH>KaMUleH l"paHU CeqeRlfH; U - pacCToSIHHe Me1K,lI.Y xOMYTaMH, U3 e" peHlloe no ,ARURe 3,TleMeHTa. 30
HanpS)KeHl1e C>KaTUJI 6eTOHa Ha onope 06 cnpe.nenHeTCH AeneHH" eM nopHOH peaKUHH H8 nnoutaAb OITHpaHHfl 3ReMeHTa H npUHHM8eTCB He 60JIee 0,5 RD". KocBeHHoe apMupoBaHHe pacnpe,ll.e,,'IHeTCH no .D.J1HHe 30Hbl 8HKe.. JX>BKH OT Topna 3J1eMeHTa .no 6.nU>KaHUleii K onope paClleTHOH HOp" MaJ1bHOfi TpewHHbl; 6) YCTPOHCTBOM H8 KOHl(ax CTep>KHeii cneu.U3J1bHblX aHKepoB B BH- JJ.e n..1acTHH, raeK, Yl"O"TlKOB, BblCa1KeHHblX roJIOBO){ H T. D. (puc. 25). tl) lJ,5lI1H 6) PHC. 26. AHKepoBK8 npO,ll.OJIhHO- ro CTep>KHH nOCpe,ll.CTBOM el"O oTru6a 1- 8HKepyeNbiA Crep>KeHb ,nH8MeT- pOM d; 2 - cne H8nbHbJe XOMYTbI. n1>enRTcTBYIO fle pa3rHoB IIH 10 CTep1K" IIR PHC. 27. AHKepoBKa rna,ll.KH.x CTep>KHeH npo,nOJIbHOH paCTSlHY- TOn CBapHOH ,apMaTypbl H3 KpaHHHX CBo6oAH X onopax liS" l"U6aeMbIx 3,,'IeMeHTOB a - B nnHT8X 6 - B 68J1K8X nnornaAb KOHTaKT8 aHKepa C C5eToHoM Ha3HallaeTCH US paCQeT8 N a 6erOHa Ha CMRTHe H ,nOJl>KHa 6b1Tb He MeHee 2 5 R i , up l"Ae N a - YCUJ1He, npUXO,ll.Hw.eecJl Ha aHKepyeMblH CTep}l{eHb. TO.,fJ UHa aHKepyrow.eii n.,fJaCTUHbI ,lI.O.,fJ>KHa 6bITb He MeHee tis BceH ee mupUHbl (,lI.HaMeTpa) H Y,ll.OBJIeT'Bop Tb Tpe60BaHHHM n. 2.65 Ha- cToHw.ero PYKOBo.u.CTBa; B) npHBapKOH Ha nnUHe 3aneJ1KH He MeHee ,lI.BYX nonepellHHX au- KepYK>UJ.llx CTepiKHeH AuaMeTpOM lie MeHee 0,5 J{HaMeTp8 npo,nOJlbllbiX CTep>KHeM; B aTOM c..1YQae AJIHHa aHKepOBI{H lan, onpe,ne..1eHHaH no n. 2.40 H3CTosm.ero PYI{OBOACTBa AJJR CTep}l{Heil nepHo HllecKol"o npo- ciJUJ1H, MO>KeT 6b1Tb YMeHbllleHa Ha 5d, a l"JIa.nKHe c-rep>KHH MorYT BbI- nOJ1HHTbCS 6e3 I<PIOKOB; r) oTrH6oM aHKepyeMoro CTep}KHjI Ha 900 no )lyre ){PYl"a paJl.uycoM B CBeTY He M-eHee 5d, npu 9TOM ,nJlHH3 npHMoro yqaCTKa Y Hallana 38AenKU ,lI.OJI>Klla 6bITb He MeHee 0,5 laHt a Ha oTorHYToM yqaCTKe ,nOJl)l{- Hhi ()blTb YCT8HOBJ1eHbl AOnOJ1HHTenbHbIe XOMYTbl, npeoBTcTBYIOI1UIe p83fH6aHHIo CTep1KHeA (pHC. 26). 81
2.42. BeJUItlHHa las 3anYCK8 CTep>KIiei1 npO.lI.O..'IbHOH paCTHHYTOH apMaTYPbI Ha KpaHHHX CBo60,[lHbIX onopax H3fH6aeMbIX a..1eMeHTOB t ec... JIH 3TH CTepJKHH He HMelOT Cnel(HanbHbIX aHKepOB H He npHBapHBalOTCH K onopHbIM SaKJla.nHbIM ,neraJ1SIM t AOJ1)KUa 6bI'Tb He MeHee 5d OT BHyTpeHHeH rpaHH 3ToA onopbI J1H nnHT H He MeHee IOd ,[lnSI 6anOK lee.nH He C06 '1I0 aeTCSI yc..10BHe (71) r..1aBbI CHHn 11-21-75]. ..., npH cBapHoA apMaType H3 rJla.nKUX epn<HeH cJle,llyeT npe,[lYc- aTpHBaTb npHBapKY K J{a}l{.lf.oMY npO,[lO.,fJbHOMY CTep>KHJO H8 ,[lJ1HHe laH XOTH 6bI OAHoro nonepetllloro (aHKepyrow.ero) CTep>KHH B ceTKax nJIHT H ABYx crep}l{Heil B KapKacax 6aJ10K" pe6ep. AIIKepYlOlllHH CTep}l{eHb .l10.,fJ>KeH 6blTb AHaMeTpoM daH O,5d npoAo..1bHoro CTep>KtlH it pacno..1araTbcSI Ha paccToSIHUH «C» (puc. 27) OT KOHua ceTKH U.,fJ" ){apKaCa, KOTopoe npHHHMaeTcH: c 15 MM npH d to MM, c t,5d "PH d> 10 MM. CTblKH APMATYPbI BHAXnECTI(Y (6E3 CBAPKH) 2.43. CTblI{H ,pa60QeH ap'MaTypbI BHaxneCTKY (Oe3 cBapKH) npn.. MelUllOTCSI npH Heo6xo.nHMOCTII coeAHHeHHH KaK cBapllblx, TaK H BH3a.. HblX l{apKaCOB H ceTOK. · CTep>KHH ,nHaMeTpoM 60JIee 36 MM CTblKOBaTb BHaxneCTKY {(5e3 CBapKH) He .nonYCKaeTCH. . 2.44. CTbll{H CTep}l{Heii paC50tleii apMaTypbl BHaXJIecTKY He peKO.. MeJl,i(yeTcH pacnO 'laraTb B paCTSIHYTOH 30He H3rH6aeMbIX H BHeneHT.e peHtlo.paCTHHYTbIX 3JIeMeHTOB B Mecrax nOJlHOrO HCnO 'lMOBaHHB Beey. uteH cnoc06HOCTII apMaTypbI. TaRDe CTbIKH He .nonYCK8IOTCH B J1HHeHHbIX 9JJeMeHTax, CeqeHHe KOTOpblX nonHocTblO pacTHHyro (HanpHMep, B S8TfliKKax apOK), a TaK}I{e 80 Bcex c.nY1JaHX npHMeHeUHSI CTep>KHeBOii apM3TYPbl KJI3CCOB A-IV (AT-IV) H BbIlUe.. 2.45. CTbIKyeMbie crep}I{HH no B03MO HOCTH ,nOJUKHhI conpuKa- C8TbCSI Me>K,[lY C060H. EMH BnJlOTHYIO HX ynO)f{HTb HeB03MO)KHO, TO Me}K y IIUMIi .l10nYCKaeTCH 3a30p, He npeBbIlUalOw.HH 4d. PaCCTOflHHe Mem,ny llBYMH CMe>KHb1MH CTbll{aMH B OAHOM none.. peQHOM CeqeHHH >Kenea06eTOHHoro 3 'IeMeHTa ,[lOJI>KHO 6bITb He MeHee 2d H lie MeHee 30 MM (pl1c. 28). B nOnepe'IHOM Ce1.JeHHH 3JleMeHTa CTbll(H peKoMeH,i(yeTcB pacno 'la- f8Tb no B03MO>KHOCTH cHMMeTpHQHo. 2.46. CTbIKH pacTHHYTOH HJ1H c}!<aToil pa60Qeii apMaTypbl, a T3K.. JKe cBapHblx ceTOK H KapKacoB B pa60'IeM HanpaBJIeHHU ,nOJl>KHbI UMeTb AJlIIHY Hax.neCTI<H He 1eHee BeilHtlHHbI lu, onpe e,,'1SIeMoti no opMYJle In = (mil R:: + fAH) d, (14) r..o.e O's - HanpSl}KeHHe B apMaType B MeCTe CTbll{a BHaX,,1J TKY C Hall- 60JIee lIanpSI1KeHHOH CTOpOHbl. 3HaqeHHH mH H 'A." a Ta){>Ke MHHHM3.,'1bHble 3HaLJeHHSI 10 H),o ,[lJIH Oflpe eJ1e"HH ,[lJ1HHbJ CTblKa apMaTYPHblX CTep>KHeH BHaX 'leCTl(Y npH" 8e.nenbI B Ta6JI. 7. - Pel{OMeH,nyeTcH ,nJIHH y CTblKa BHaX 'leCTKY onpe,[le..1HTb no rpa4>H" K U'A pilC. 29. floJlb30BaHHe 3THMH rpa HKa 1I1 aHaJIOrnQHO COOT BeTCT" BYIO HM rpa "KaM pUC. 24. 2.47. CTbIl(H CBapHbUt ceTOK H KapKacoB, a TaK>Ke paCTSlHYTbIX crep>KHeif BH3aHbIX lapKacoB H ceTOK BHaXJ1ecTKY 6e3 cBapKH ,nO 'lH{HbI, 32
lJ) 6) .:'l l!. " , 2 'j (J O,e 4tf d O ,,,( TI 1 - 1 2-2 .......- J I / 1 . - W ...... 2 ,8) --- ii' l.- I /' I , I I . I I )2d{ JOMM) I I l . I I 1 . . I 1, 5l H 1. H /l51H tH ----- -- -..- PHC. 28. KOIICTPYUPOB3UIW CTbIl8 CTep>KHeH npOllOJIbHOli pa6otJei ap- M8TYPN BH8xneCTKY (6e3 cBapKH) Q. 6 - nOJlOH<efJHe cTblKyeMhJX CTep>KHeD B nonepe1:lHOM ce'JellJrIH >Kene306eToHHo-- ro 9JIeMeHTa; 6 - p83MeU{eHHe CMemHblX CT IKOB B nnaue; 1 - cTep>t<HH nepHOAH- 'JecKoro npoc»HJlfl; 2 -- fJl3,llKHe cTep>KuH Ta6nuI(3 7 3naQeUHH mil' AA H , "-H H I H AJIS' apMaTYpbl B BHAe YcnOBHR pa60Tbi cTep>J<HeA nepUOAJf"ecl<oro r n8.lKHX CTepJK fleA CTblK8 npo«l>JfJlH If Illf' MM mHJA 1 A H , la' aiM I nl H A"-H He MCIIee He MeHee TbIK B pacTfllty- Ot 9 [I 20 250 1,55 11 20 250 TOM DeToRe CTbll( B C.it<aTOM Ot 65 8 15 200 I 8 15 200 6eToHe 3-661 33
td tll H . 500 IJOd 30d I) tO H 50d IJOd JOd .25d 25d 20d RIJ(lJiJ . Rtt!IJ/l) - K2C!CHf . 'rSKi f , . fr) aK' p.aBoHJ10, DO ,nJIHHe 3J1e'MeHTa paCDOl13l"3TbCSI Bpast5e>KKY. fI 9T M JijjOlltaJib CelleHIUI pa60tIux CTep>KHeH, CTblKyeMblx '8 O,nHOM M CTe "no US '''J1acCToHHUH MeHee ,n.,fJUHbJ HaXJ1eCTI{H I H , ,nOJl>KHa COCTaBnHTb He 60- nee O.O/o 06 eH n.'I0 3,llH eqeHUH paCTHHYTOii apMBTypbl npH CTep1K- HfiX riepiIo.nUlIeCKOrO npo<!JHJUI U He 6oJ1ee 250;0 npH rna,nKHX CTep>KIIRx. , , TbIKoBaHHe OT,neJ1bHblX CTeJ} HeH, CB3pHblX ceTOK oR KapKaCOB {).es >KKU .nonYCKaeTCH npH I{OIlCTPYKTHBHOM apMHpOBaHHR (6es pac.. '!era),1 a Tal{>Ke Ha Tex yqaCTKaX, l",lle apMaTypa HcnOJlb3YeTCH.. He' 6 - nee tieM Ha 50 0 /Q. . " · 'pp0J10JlbHOe cMew.eHue oceii, CTblKOB JI.OJ1}KHO 6bITb He, MeHee I 5,ltJ (pHC. 28, 8). . - 2.48. r JIa.nKue CTep1KIIH B CTbIKe ,nOJI)KHbl S3KaHIIUB3TbCSI KpIOKaMH. ;. '(:Tep>KHH nepHq,ll.UtIeCKOrO npo4>HJ1S1 MorYT UMeTb npHMble KOHUb1 Ho U nanKU. ,QonycK'3eTCSI CTblKOBaTb CTep>KHH, 3al{8H'IHBaIOIllHeCH neT- JiSlMH (puc.31). 2.,49. npu' CTblKOB3HIIH P3CTSIHYTb1X crep>KHeii 6ea cBapKH B 80He Ha({;n. Tl(H Tpe6yeTcH YCTaHaBJ1HB3Tb Aono.'IHHTe..1bHYIO nonepellHYIC? aop.. MaTYPY B CJIYQ3HX, ({or,ll.a: )J.H3MeTp cTblKyeMblX pa60Qux CTep>KHeii 60Jlee 10 MM; '-.'P'atCToHHile Me>K!lY CTep>KHSIMU B nonepellHoM celleHHH SJIeMellTa '.' Ra MCRee Be.rtH1JHHbI 30 R d (3,l1,CCb d - H3HMeHbWHfI Jl,U3MeTp cTblKye.. b ) P MblX CTep>KHeH, eM . . 34
nJIOW-3.ltb CeqeHHH AonOJl" HHTeJibHoii nonepeqHoA apMa- - Typbl, YCT8H3BJIUBaeM9H B npe.l(eJl3X CTbIKa, J{OJUKHa 6bITb He MeHee 0,5 Fa, "rAe Fa - nJlow.aAb CeqeHHH Bcex cTblKyeMhIx npO.AOJIbHblX CTep1KHe:it .l1.onOJIHHTeJIbH3B no.. nepeqH8H 8pM8Typa M )KCT CT8DHTbCH B BH.zt XOMYTOB, CJ{PYTOK H..1H no,nuecoK H3 K p Too6p83HO corHYTHX CB8p- HbIX CeTOK, 38Be.neHHhIX B CJKaTYfO 30HY (pHC. 30).. IIpH n'erneBblX CTLlK8X nOnepeqRYIO apM3TYPY paCnOJlaT81OT B YT" pit neTJlH (puc. 3]). . 2.50. CTLIKH csaplltJIx ce- TOK B H8npaBJIeHHH rJlaJ1KOB paooqeii apMaTypbl ({JI8CCOB A I H B-1 AOjUKHbI BLlDOJl- IiJlTbCSI T8KHf1 oopa30M, QTO" 6u B K8>KAOH H3 CTblKyeMwx '" B p3CTJlHYTOH 30He CeTOK Ha A"fJHHe H3XJleCTKH paCDOJI.ara.. JlOCb He MeHee ABYX nonepeq- M.DfT HblX CTepJKHeH" npHBapelflttJIK ...... c-... toIi .. 'c") KO BceM npOJ.lOJIhHblM CTepJl(... HJlM ceTOK (pHC. 3t). · l1HBMeTp nOnepe'lHhlX 811- KepYJOW-HX CTep>KHeA ,nOJUKeH - '" 6 Tb He MeHee O HOH TperH D.H8MeTpa np0,l10JlbHOrO 8HKe... PyeMoro CTep}KHfI H He MeHee BenHqHH YK333HHblX B Ta6JI. 4. CT KU cBapHHx ceTOK B HBnpaBJleHHH pa(jo'leii apMa.. TypbI nepHOAHQeCKOrO np H- J1H I(JI3CCOB A-II U A-III Mo- rYT Bblno..1HHTbCH ties nonepeq- HblK CTep>KHeii B npeJ1enax CThlK8 (pac. 33). 2.51. ,lIJIHHa H3x..1eCTKH .. . CB8pHbIX ceTOK c rnaAKOH pa- oqeA 3pM3TypoA npM HanK- 'IHH ABYX npHB8peHHbIx aHKepYIOUlHx CTep>KHeA H3 J{nHHe H8- xneCTKH UJIII C p.a60qeH 8pM3Typoii nepHOAHQeCKOrO npO HnH Oe3 H" KepylOW-ux nOnepeQHbIX CTep1KHeA npHHuM8eTcH B COOTBeTCTBHH C Tpefio.. B8HKHMH n. 2.46 H8CToHw.ero PYKOBO,nCTB8. , npH npHB8pKe nOnepeqHblX aHKep)'IOlltHX crep>KHeA K paooll'HM crepHcHHf1 nepHOJlJ-f'leCI{O£O npo$aRH CB8pHblX ceTOK J1"TJHHa Hax..1ecTKff, onpeJ1-eneHH8H no YK833HHHM h. 2.46 HaCTOBw.ero PYKOBoAcToa, MOJKeT 6bl b, YMeH,bWeHa Ha: 8J tdH .fOd 40d JIJ. 2 15d J 10d Ii 1511 PUC. 29,. fpa$HKH ,nnH onpe,neJIeHHSI AJlHHhI H8XJleCTKH 3pMaTypUbiX CTep>K- HeA B CTbIK3-X 6es CBap'K1-f B KOHCTPYK- l(HHX H3 6eTOHa paSHb1X MapOK a - AJlHRa 1f8xnecTKH paCTjlHYTblX CTep)({Heft nepHOAHQeCKOrO npo4»HJl5( B paCTSlIIYTOM 6e- TOHe; 6 - ,AnHH8 HaxJ1ecTKH paCTBHYThJX R.nR C)K TbiX CTep>KHeA nepIlOAH1JeCKOrO DPO" .H.RR B C>K8TOM 6erof1e; 8 - .n.nHH8 HaXneCT- KH I'na,AKUX CTep*HeA; I - paCTH"YTblX . KnaCCa B-1 B paCTRHYT-OM oeTOHe; 2 - TO )Ke, KJlaCCe A- I; 3 - paCTSlHYTblX unH C>K8ThJX Knecce 8..1 B C>K8TON oeTOHe; 4 -- TO >Ke, KJlaCca A-I 3- 35
1 if 1 J 2 1 1 J /- /OI 1 t i PIIC. 30. YCT8HOBKB ,lI.0110JIHHTeJIbHOfl nOnepeQHOH. ap1taTypbl B 30He CTbIKOBaHUH P8CTHHYTblX CTep>KHeH BH8XJIecTKY 6e3 CBapKH 1 - cThIKyeMble CTep>l{HH; 2 - Y1J8CTKH XOMYT8, HCnOJlb3yeMble B K8 eCTBe none.. pe'JHoA 8PM8TYPbl CTblKa; 3 - CDHp8J1H; 4 - cneQ.HaJlbHble XOMYTbl, YCT8H8BJIHB8e-- Mble B 30ue CTblK8 cTepmHeA AH8MeTpOM 60nee 28 MM 1 .......- 1-1 2 12- = -- z . 1 -='-=l 5d I- lH 11 '4d 1 tf') '-' 1\ .J:.. 2 2 t .:J. 1 1 t t t PUC. 31. Yt;raHOBKa AOnOJIHHTeJILHOA nOnepeQHOH apM8TypbI B 30He C1'bIKOB BHaXJIeCTKY crep>KHeii C neTJIHMH J - cTblKyeMlale TepX<HB C neTJlSlMH H8 KOHu.ax; 2 - nOnepe1JH3ft apM8Typa CTbl" K8; 8.... u.eHTp neTJlH 36
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r) nYTeM KOHCTPYUpOBaHUJ.I 8p"'laTypHoro KapKaca T8KHM 06pa30l-(, IJTOObI HeKOTopble CTepmHH ynHpall'1HCb B on8JIy6KY, 4>UKCUPYH IIOJIO>Ke.. JlJiC Kapl{aca. 3alJlaAlibIe JJ.eTaJIH KpOMe TorO t MO}KHO 4>HKCHpOB8Tb nYTeM npH- B3plJI HX aHKepOB K apM3TypHOMY KapK8CY lKe.ne306eTOHHoro 3JIeMeH.. Ta npH 6eaYCJ10BHOM o6ecne l leHHH 4>HKC8 HH caMoro K8pl{8ca. . 2.86. npucnOC06JIeHHH ,llJIJI 4>HKC8UHH apMaTyphl cneAyeT Ha3Ha'l8Tb C YllCTOM: ({OHCTPYI{TI1BHbIX oco6eHHocTeM 9.neMeHTa; pacIIO.l0}l{eHHH 8pMaTypbI OTHOCHTell'1bHO rpaHeH pa60'lei'1 nOBepx- HOCTI1 4>Op fb) H.nH OnaJIy6KH; KOHC-rpYI{THBHbIX ocooeHHocTeA 8PM8TypHoro KapK8ca; yc.noBHH 9KCnJIyaT8u.HH 9JIeMeHTa B COO pYJKeH HH. Pel{OMeHJJ.yeTcJI npHMeHHTb HaH6oJ1ee npoCTble npHcnocoo.neHuH ,llJIJI «j)HKCa.u. HH . 2.87. BH.R 4>uKcaTopa OAHOKp8THoro HCnOJIb30BaHHR t YCT:aH8BJIHBae- t"Joro Y JIH.u.eBoM rpaRu >KeJIe306eTOHHoro 9JIeMeHT8 JJ.JIH ooecneqeHHSI rO.,II1.lHHbI S8ll1.HTHOro CJlOB OeToHa, cJle.n.yeT Bbl6HpaTb COrll'1aCHO Tao rJ. 15. u)tL .1 ' ; 2 1 2 " 1 J 2 z 0 / ) J J 1 6) 2 o ' 2 25 1 PRC. 43. nnacTMaccoBhle H ueMeHTHO-neC'laHhle <}>HKC8TOpbI OJJJloKpaT- Horo HCnOJIb30B81UUJ (l -)Ulft apM8Typbl CTeH H nnUT; 6 - JJ,nSl apM8rypb1 pet5ep, 6anoJ{, KOJ)OHH; J - OD8Jly6K8; 2 - apM8Typa; 3 - nnacTM3ccOBblA 4JHKC8Top; 4 - u.eMCHTuo.nec- 1JaHbiA c1>HKcaTop; U(i - 'fOJU1HH8 S3UH1'Horo C.'10Sl 66
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B UeoOXO.D,HMbIX CJIY l l8HX cne,nyeT Y'lHTblB8Tb BOSMOJKHOCTb nO,l(1)eMa >KeJ1e300eTOHHero H3)I.eJIMSI BMeCTe' c 4>opMoii. npH HaSHaqeHHH pasMepoB sneMeHTOB CJle,l1yeT Y1JH- 'TbIB'8Tb TaKJKe yt.nOBHB Tp8HcnopTMpoBKH. 3.3. 3alltHTHbI" CJIO" 6eToH8 a5 .nJIH p8601leA 8pMaTypbl )l.o.n>KeH o6eCneQHBaTb coBMecTHYIO 'p860TY 8PM8TYPbl C neroHoM H8 BCex. cr8- .D,11S1jt p860TbI KOHCTPYKllHH, a T8K>Ke S8WHTY apMa ypbl OT:..BHewH x aTMdccpepHblx, TeMnepaTypHblX H' TOMY nO,D.06HbIX Bos,neHcTBHiI. t. ; B HaCTOHll{eM PYKOBo.llcTBe at) - H8HMeHbwee paccToHHHe ..OT rp}).HH 6eToH8 (B TOM 'lHCJIe BHYTpeHHeH B "OJlblX.SJIe eHTa ). .no nOBepXHO TH . z . ... 6J1H>K8Awero K HeA apt.taTypHoro CTepmHH. .. . . 01 '..- '3.4. T0J1lUHH8 3alUHTHoro CJIOJl 6eTOH8 . 6 ,nJIHI CTep>KHe oil apJ4 - TYJ7bI (KpOMe apM3TypbI nO)l.OWBbI cj>YH)l.aMelj1'OB, 8 TaK>Ke nO.l1.KOJIOH " KOB, 8pMHpyeMbIx no n. 3.32 H8CToHw.ero PYKo O,lI;eTBa )-, K8K .np8Bli O, AOn>KHa 6h1Tb He 60JIee 50 MM. B 3alUHThOM CJIoe ro.n HHOH DoJIee 50 MM paCTHHYTOH SOHbI CelleHHH cneAyeT YCT8H8BJlHBaTb KOHCTPYKTHB- HYIO apMaTYPY B BH,l(e CeTOK, nJIOrna)l.b celleHHH np0,l10JlbHOH apMaTypbl KOTOphlX )l.OJl>KH8 OblTb He MeHee Otl Fa, a war nOnepe(IHOii apM8TypbJ AOJl}KeH 6blTg He 60J1ee 400 MM H He ,l10Jl>KeH npeBbJWaTb BbICOTbI "Celle- HHH SJ1eMeHTa (S)J.eCb Fa - nJIow.a.D,b ce'leHHH npoAonbHoil paCTSIHYTOH apMaTypbJ HMelOJJJ..eH SarnHTHblH CJIOil 6eTOHa TOJI HHOH oo.nee 50 MM H YCTaHOBJleHHOH y O)l.HO" rp8HH 9J1eMeHT8). . 3.5. ,[(nH KOHCTPYKl.{HH, p860T81011tHX B 8rpeCCHBHbiX Cpe.D,8x, TOJI- W.UH8 SaWH1'Horo CJIOH 6eTOHa J10Jl1KHa H8SHaQ8ThCH C yqeTOM Tpe60Ba. H'Hii rJIaBbJ CHHn no sa HTe CTpOHTeJlbHblX KOH TPYKnHii OT KOpp03ff : I' npH H83HaqeHHH TOJllUHHbI sa(UHTHoro cnoSi. reToHa ,nOJUKHbl,:r.aK1Ke YIIH'I'b1DaTbCH TpeooBaHIIH rn8BhI CHHn no npOTHBon01KapHbJM HopMaM npoeKTHpoBaHHH 8.D,aHHH H cooPY)KeHHii. 59
3.6. B nOJIblX 3J1eM-eHTax KOllbueBoro .IJIM I{Op06QaTOrO ce 1 1eHHR pac:. CToSlHHe OT CTep>KHeBOH npoJIonbHoA 8PM8TYPhl .no BHYTpeHHeH IIOBepx:.() HOCTH 6eToHa AOJI>I{HO y.nOBJIt!TBOpJlT& Tpe60B8HHSlM K H83HaqeHHIO TOn- Ill"HbJ salll.HTHOrO CJlOH y naPY>KHoA nOBepXHOCTB cooT8eTcTBYIOUl.ero S.ffeMeHT8. 3.7. PaccloJ.ulHH B cneTY Me>K.ny crep>KHHMH apMaTypbl no BbtCore 11 wHpHHe Ce1JeHHH )J.OJl)KHbl 06ecne'lHB8Tb COB11ecTHYIO pa60TY apMaTY. p C OeroHoM H Ha3HaQaThCH C eToM y oocTBa YKn8 KH H yunoTHe- IfRR 6eTOHHOH CMeCH. B SJIeMeHTax, H3fOTOBJUleMb1X ()es npHMeHeHHH BH6ponJIoU8Jl.oK HJlH Bu6paTopoB, YKpenJIlleMhlX Ha onanyoKe, .non>KHO OhlTb o()ecneqeHO C80oo.n.Hoe npOXO>K.n.eHHe Me>K,ny 8pMaTypHblMH CTep>KHSlMH H8J<OHeQ- IU1KOB WTbJKOBbIX BH6paTopoB HJlH BHopoWTa tnYlOlnHx 9JIeMeHTOB Ma.. Ill"H) ynnoTHll101101X 6eToHHYIO CMeCb. PaCCTOJJHHe B CBeTY Me>K.llY CTep>KHflMH nepHoAHqeCKOrO npoc2>HJIH npHHHMaeTcH no HOMHHaJIbHoMY .n.H8MeTpy 6e3 yqeTa BhICTynOB H pe6ep. npH Ha3HaqeHHH paccToSlIIHSI B cBeTY Me)l{.ny Crep>KHftMH B -KOHCT- PYh:u.HJlX C JIbWHM HaChlweHHeM apMaTypbl c.ne.nYeT yqHTblBaTh: a) <}>aKTHqeCKHe pasMephl nOnepeqHhlX CeqeHHH CTep>KHeA nepHo,Alt- qeCKOro npo<}>HnH C yqeTOM .nonycK8eMhlx OTKlloHeHlIJi OT BIIX; 6) pa.n.HycbJ sarH6a CTep>KHeft H cOOTBeTcTBYlOwHe cJ>aKTHl.lecKHe ra6apHThl rHYTbix sneMeHTOB; B) 110nYCKaeMbIe OTKJlOHeHHfI OT npoeKTHblX paSMepOB "PH paaMe.. ll.leHHH CTep>KHeA CBapHbIX ceTOK t Kap aCOB, 3aKJIa,lJ.HblX .neTaneii H T. fi. 3.8. nJIOtJla)1b CeqeHHSI npo.nOJlbHOH 8pMaTypbJ B >KeJJeso6eToHHbJX 3JICMeHTax (B npoueHT8X nnolu.a.,nH CeqeHHSI 6eToHa) AOJ]}KHa npHHtl- laTbCH tie MeHee YK8saHHoii B r86JL 16. Tpe60BaHHSI T8()n. 16 He p8cnpOCTpaHSIIOTCfI Ha apMHpOBal-lHe, onpe.. enBeMoe paCqerOM 9JIeMeHTa An" CTa.nHH, TpaHcnopTllpoBaHHSI H MOH" TaiRa. B STOM CJJyqae fiJlOwa.nb celleHHfI apMaTyphl onpe.ne.nSleTCH TOJIb- I O paCtJeTOM ,no npOQHOCTH. Tpe60BaHHSI IlaCTOSlllI.erO J1YHKTa He yqHTbJBalOTCH npH HaaH811eHIIH n.nOllla.nH CeqeHHft apMaTyphl, YCT8HaBJIJIBaeMOH no KOHTYPY nnHT HnH I1alleJIeH H3 paCqeTa H8 H3rH6 B fiJlOCKOCTH nJlHTbl (n8HeJIH). a T8K>Ke eCJUI HX TOJII&HHa HaSHa1Jeua KOHCTPYKTHBHO. MHHHM8JIbHOe apMHpoBaHHe CTeHoBblX naHeJleH npHHHMaeTCft B co'" OiBeTCTBHH C I'IHCTPYKuHeA no npoeKTHpOBaHHIO naHeJIbHblX >KHnbiX SAaHHH. 3J1eMeft TbI , He y.nOBJIeTBOpSIIOUUle TpeOOBal-lJUIM ," HHHMaJIbHoro ap.. 1npOBaHHSlt OTIJOCSlTCSI K 6eTOHHb1M sneMeHTaM.. 3.9. Y Bcex nOBepXHOCTeH >KeJIe306e1'OHHbJX 3JJeMeH1"OB, B6JIH3H 1<0" TOpblX CTaBHTCH npo,lJ.OnbHaSI apM8Typa, KaK npaBHJIO, AOn>KH8 npeAY- cMaTpHBaTbcSI TaK>Ke nOnepe(IH8H apMaTypa. OXBaTblBaJOlIlaH Kpaih-lHe npo.nOJIbHble cTep>KHH. 3.10. B OeToHHhlx KOHCTPYI{UHSlX .D.OJl>KHO npe,nycM8TPUB8TbCSI I{OH" CTPYKTHBHoe apMHpoBaHHe: a) B MeCTax pe3Koro H3MeHeHHSI pasMepoB CeqeH H 9neMeHTOB; 6) B MeCTax H3MeHeHHSI B COT CTeH (H8 yqaCTKe He MeHee t M); B) B 6eTOHHbIX CTeHax no.n H Ha.n npoeMaMH Ka>K.n.oro 9Ta1Ka;o r) B I{OI-lCTPYKUHJJX, nOllBepraIOllI.HXCH B03.neJicT8HIO Jl,HHaMHlJect<oli HarpY3Klf; A) y pacTSIHYTOH HJIII MeHee C>KaTOH rpaHH BHelleHTpeHHo"'C}KaTbIX 9J1eMeHTOB t ec.nA B celleHHH B03HHKalOT pacTHrHBalOllJ.He 'ftanpH>KeOH'SI MeHee 10 KrC/CM 2 ; npH l1aH6onbwHx C>KHMaIOI.i{Hx HanpJl1KeHIfHX 60nee 08 Rup (nanpSl>KeHlIH onpe.,nMHIOTcH K31 AnSI ynpyvoro 7Ma); npll 60
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B03MO>KHOCTH He60JJblllOii BeJIIIlIHHbl (.no 50 MM). IITo6u He Tpe(5oBanoch MecTHoe apMHpOBallHe (pHC. 46. at 6, 8). Bo BHeWHHX OCTphlX yrJIax BO H36e}K8HHe OTKaJlblB8HHII 6eTOHa CJleJlyeT YCTp8HBaTb CKOcbI IInH saKpyr JleHHH (pRC. 46, 2, iJ). He60JIbWHe 'oTBepCTHSI B >KeJIe306eToHHblx 9J1e'MeJ.1TaX .nJIH nponyc- Ka KOMMYHIIKau.HH, cTponoBKH H T. n. CJIe,nyeT no B03MO>KHOCTH pac.. 0) 1 J 2) 2 1 oj DJ 0) 1 e) t h/50 5 2 t 1 Jl{J 6 1 .6 1 6 1 6 uJ 2 1 2 HC.. 7. TeXHOJIOrHqeCKHe YK.nOHbI B )KeJle306eToHHblx 9JIeMeHT3J( Q ....:. H3I'OTOBJlfleMbIX B cJ>opMe c OTKBAUhlMU opTaMu; 6 - u3rOTOBJUIeMbix B .«!>op.. Me, JlYXHM 6oPTOM; 6 - TO )K , C npHMeHeHHeM BblnpeCCoBIqHK8; e, "- H3CO" TQBJUleMhlX B HepaS'heMHOA cJ>opMe; iJ - TO >Ke,. C npUMeHeHHeM BblDpeccoBw.UK8; e, 3IC npH HeMe:u.JIeHHQIt pacnanyCSKe; 1- >KeJlC30()eToHHoe HS,D.eJlHe; 2...;.. 4>opMa; 8 - OTKHJ1HOA 6oPT; 4 - BblopeCCOBll{HK; 5 - cJ>opMYlOwaR :paMK8: 6 - BKJl8JJ.LIW nOJIaraTb B npe,ll.en8X HqeeK apM8TypHbIX CeTOK H KapKaCOB TaR, 1lTO- 6ht He HY>KHO 6bIJIO nepepeaaTb 8pMaTYPY H BBO,ttH'I'b .n.onOJIHHt.eJIb'HOe MecTHoe apMHpOBaHHe. YrJIbi oTBepCTHa 1KeJIaTenbHO AeJlaTb nn8BJtblM.H (pRC. 46, a). 3.13. llpn npoeKTHpoB8HHH OeTOHHbIX H >KeJle306eTOHHblx KOHCT- . ., . PYKnHH HX O'iepTaHHe CJleJl,yeT npHHHM8Tb c yqeTOM YCTpoHcTBa H cno. co6a Hcn0J1h30BaSHB 4>OpM (onaJlY.()KH). 63
npH npJIMeHellllH (jJOpM C OTKHJI,HbIMH 60pTal H 01lepTaHlle H3Ae'!J "'ItR He AOJI1KHO npenHTCTBOB"3Tb nOBopOTY 60pT8 (pHC. 41, a) nepeJ( p8Cn8JIy6Koit npH npHMeHeHHH Hep83'beMHb1X 4>OpM AJIA BOSMO>KIIOCTU liS BneQC'" IIHH 113J1,eJJHH 83 cl>OpMbI ,lJ.OJl1KHhl npe.nYCM8TPHB8TbCH YKJlOJlbI 1: 10 (pHC. 47,2). nplJ Hepa31>el.fHblX cl>opM8X C HCnOJIb30B8HneM BblnpecCOBblB8J1IfH YKJIOH )l.OJI>KeH 6bITb He MeHee I : 15 (pHC. 47,. 0). nplI HeMe,lJ.JIeHHOH paCnaJIy6Ke nYTeM BepTHIC8JIbliOrO CMelU.eHHH CPOPMHPYIOIItero 9JIeMeHTa OCHaCTKH (pHC. 47, e, :JIC) YKJIOH D.OJl>KeH 6bITb He MeHee J :50. npH IIcnonbSOB8HHH <»OpM C OAHHM HenO)l.BH}KHbIM H O)l.HIIM OTKHJJ.... IiblM OOpTOM Jl,JIB B03M01KHOCTH BepTHK8JIbHOrO nOJl,"beM8 KOHCTPYKUHA npIi p8Cn8JIy6Ke CJIe,nyeT nepexo,lJ. OT 60nbweH WHpHHbI HSJJ.eJlHH I( MeHb" weR, HanplfMep OT HH>KHeA nOJJKH K CTeHKe (pHC. 47,6), npHIIHMaTb no.n yrJIoJJ tJe Mellee 40°. 3TH Tpe6oB8HHSI, M01KHO He npeA"bSlBJJHTb, ecJIU C 3aBO,ltOM.H3foTOBHTeJIeM COrJ1aCOB3H8 cl>OPM3, cHa6>KeHH8S1 Bhlnpecco... Bb1BaJOUJ.UM YCTPOHCTBOM. 3.14. npH CTbIKOB8HHH >KeJ1e300eTOItHblX SJIeMeHTOB C60PHbIX ROH" CTPYKUHH YCHJIHSI OT OJl,HorO 9neMeHTa K ,l1pyroMY nepeA810Tcn tJepro C1 bIKyeMYIO p86otJylO 8PM8TYPY, CT8JIbHbIe 38K 1I8J1,HbIe Jl,eT8J1H, 3anOJIHSle- tAble 6eTOHOM WBbI, 6eTOHHbIe wnOHKH UJIH tU..nSl C>K8ThlX 9JIeMeHToB) HenOCpe,lJ.CTBeHHo tJepes 6eToHHble nOBepxHocTH cThlKyeMhlx 9J1eMeHTOB. 3.15. IKecTKHe CThlKH C60pJIbIX KOHCTPYKUHH ,lJ.On>KHhl t Kal{ npaBH- JIO, 38MOHOJIHlJHB8TbCSI nYTeM S8nOJIUeHHSI WBOB Me>K,ny 9JIeMeHTaMH oeToHoM. ECJlH npH H3rOTOBJJeHHH 3J1eMeHTOB ooecnctJHB8eTCSI flJIOTH8H flo,nrOHK8 nOBepxHoCTeH Jl,pyr K Apyry (H8npHMep, nYTeM HCn0nb30aa... HRH TOpn8 O)lHOro H3 cTblKyeMhlx 9JIeMeHTOB B KaqeCTBe OnaJIY()KH ,l1nSl TOpu.a ,npyroro), To .nonYCK8eTCSI npH nepe.na(le llepe3 CTb1K TOJIbKO C)f{HMalOlUero YCHJlHH BblflonHeHHe CTbIKOB «II 8CYXO». 3.16.. CTbIKH 9JIeMeHTOB, BoCnpHHHf{aJOUHe p8cTSlrHBaloU1.He YCHlIHH, AOJIiKHhI BbInonH HTbCSI: a) CB8pKOH CT8JJbHbIX 3aKJla.nHbIX J1eTa.neH; 6) cBapKoH BbInycl{OB apM8TypbI; B) nponYCKOM Qepe3 KaHaJIbI HJIH n83bI CTbII{yeMblx 9JIeMeHTOB CTep1KHeH apM8TypbI, KaH8TOB HnH 60JITOB C nOCJIe,ltYIOUHM HaTSI}KeHHe 1 IIX H 3anOJIHeHHeM n8S0B H KaH8JIOB ueMCHTHbIM p8CTBOpOM unll Menl<O- sepHHCTbIM 6CTOHOl1. npH npoeKTHpOBaHHH CTblKOB 3JIeMeHTOB C60pHblX I<OHCTPYKU fi1 J(OJI>KHbl npe.nYCMaTpHB8TbCH TaKHe, coeAHHeHHH 38KnaAHbIX Jl,eT8neH, npH KOTOpblX He npOHcxo,nHJIO 6bI p8srH68HHR HX tJaCTeH, a TaK>Ke Bbl... KOJIOB 6eToHa. 3.17. nplf npoeKTHpoBaHHH 9JIeMeHTOB COOpHblX nepeKphlTHH Jl,OJI}1{- HO npe ycM8TpHBaTbCSI YCTPOHCTBO WBOB Me>KAY HHMH, SanOJIHHeMbIX 6eToHoM. IIIHpHH8 WBOB ,lJ.On>KH8 HaSH8Q8TbCH 113 YCJIOBHB 06eCneQeHHR KalJeCTBeHHoro 38n0J1HeHHH HX H Jl,OJI>KH8 COCTaBJIHTb He MeHee 20 MM )l.lIR 9JIeMeHTOB BbICOTOii Ce'leHHH JJ.O 250 MM H lIe MeHee 30 MM nplf ,SJIeMeHTax 60JIbWeH BbICOTbI. 3.18. B H8CTOSImeM PYKOBoJ1cTBe TepMHH «nonepetJH8H apM8Typ8» npuHHT AJISI 0603H8QeHHH 9TOM 8pMaTYP K8K AJlD BHS8HbIX KapK8coB. TaK II )l.JIfi CB8 pHblJC H BKJIJOqaeT B ce6B nOllSlTHH XOMYTbl H nonepetJHbJe CTep>KIJlf. TepMHH «XOMyr» npHHSlT ,nJIB 0603HaQeJlHH nonepellHoH apM8- TYI>b1, K8K npaBHno, BHSallb1X 1{8pKacoB. TepMHH. «nonepeQHhIi% crep... JKeHb» npHHHT )l.JIB 0003H8tJeHHSI nonepetJHoH 8pMaTYpu CB8pHb1X ceTOK H KapKacoB. TepMHH «wnHnbK8» npHHSlT Jl,JlH o(jo3HatJeHHH cOe,l111I11fTeJlb"! 64
HbiK CTep>KHeH, ynoTpe()JlfteMbIX Ana 06pasOB8HHH K8K cBapHhlx, T8K H BSl38HblX KapK8eoB. llinHJlbK8 MO>KeT HMeTb HnH He HMeTb KplOKl1 H8 KOHItaX. .YH AMEHTM H POCTBEPKH 3.19. t1>YH.lI.aMeHT8MR SlBJlSlIOTCSI no,n3eMHbIe I{OHCTPYI{I!HH, npeAHa- 3H8qeHHhle Jl,JUI nepe,na'lH H8rpY301{ OT Bblwe.ne>Kaw.HX Q8CTeH 3,a8HHSI HJIJI CoopY>KeHHH H8 rpYHToBoe OCHOB8HHe. OJ 6) 1-1 2-2 -- 4 " ' "'"S ; J 2 '- 2 CQ J 7 1 5 r, L r, L.J 1 _ 1 il1@ ", I rr .1 t 12." ( KpomHo 300) PHC. 48. OTJlenbHbIe CTyneHQ8Tb1e cpYJlJt8MeHTb! Q - YHJla MeliT H8 e CTBeHHOM OCROB8HHH; 6 - CB8AHblR c1>YHA8r.teHT; I - KO" 1I01IHa: 2 - no.n.KOJ10HHHK; 8 - D.'1HTH8R .,8CTb: 4 - 06pe3 tj)YHA8MeHT8; 6 - nOAom- B8 4>yuA8MeHT8; 6 - 6eTOHH8B nOAf01'oBK&; 7 - CB8H iT 1 (KpomHO JOO) npHMeHJlIOT cl>YHAaMeHThl H8 eCTeCTBeHHOM OCHOB8HIIH II CB8HHble (pRC. 48). t1>YH,a8MeHT Ha eCTeCTBeHHOM OCHOBaHlfH COCTOHT H3 nJlHTHOH Q8CTH H nOJlKOJIOHHHK8. CBaHHblH cl>YH,lt8MeHT o6pasyeTCSI H3 CBaH H pocTBepI<a t noc.ne,l1HHH 1 CBOIO 01lepeAb npeJl,CT8BJISJeT C060H nJIHTHylO 1l8CTh H no,nKOJIOHHHK. nJIHTIIYIO '18CTb q>YH,n8MeHToB peKoMeHAyeTcSI KOHCTpYJIpOBaTb CTY- neHQ8TOrO THna. H8PflJl,y co cTyneH l l8ToH DJUITHOH IJ8CTblO peKoMeHJI,yeTcSI npHMe. HSlTb cJJYH,naMeHTbl C nHpaMH,n8.nbHOii nJlHTHOH ll8CTblO (puc. 49). t1>yH AaMeHTbI Moryr 6bITb C60PHblMH H MOHOJIHTHbIMH. C60plIbie cpyu,aaMeHTbI peKOMeHJlyercH KOHcTpynpoB8Tb B BH,ne neJIbHOrO 6JJOK8, COCTOSIwero 03 nJIHTHoft qaCTH H no,nKOJIOflHRK3 (pRC. 50). 3.20. B <»YH,naMeHTe (pocTBepKe) paSJIH'lalOT o6pe3 - BepxHlO1O 00- 6--661 65
BepXHOCTb, H8 HOTOpylO onHpalOTCSI KOHCTPYKWIH, patnon01KellHble Bb]- we, II no.nOWBY - HH>KHJOIO nOBepXHOCTb, KOTopaH, Kal< npaBHno, 00111>- we nOBepXHOCTH no 06pesy H nOSTOMY nepe aeT HarPYSKY Ha rpYHTO- Boe OCHOBaHHe C MeHbllIHM YAeJIbHhlM .naBJIeHHeM. B cBaHHblx cJ>YH,naMeHTax B n0,l1011IBY pOCTBepKa sa,aeJ1b1BaIOTCH BepXHlIe KOHIJ.bI CB8H. PaceTOHHHe Me>KlI.Y nOAOWBOH H 06peSOM <»YH,naMeHTa (pOCTsepKa) COCTaB.nHeT ero BbiCOTY H c)). 3.21. Bepx <»yu.naMeHTa pe.. KOMeH yeTcSJ np1l1lHM8Tb: AJIH 4>YH aMeHToB c60publx KOJIOHH - Ha OTMeTKe - 0,15; J{JISI cJ>YH,l1aMeHTOB MOIIOJ1MT" HbiX KOJIOHH - B ypOBHe Bepxa cJ>YH,lta MeHTHOH 6anKH, a npH ee OTCYTCTBHH - Ha 0'fMeTKe-O,05; AnSI cJ>YHJJ.at.leHTOB CTaJJbHblX KOJIOHH - Ha 100 MM HH>Ke OT- MeTKH onopHoH nJIHTbI 6awMaKa KOJIOHHbI. fJIy6HHa SaJIO>KeHHH 4>YH,na- MeHTa npHHHM3eTCH Ha OCHOB8" HHH paClleTHblX JlaHHblX H B COOT- BeTCTBHH C rJI8BOH CHHn no npOeKTJipOBaHHIO OCHOBaHHH s,na- HHH H cooPY>KeHI-iH. PasMepbl q>YH 8MeHTa onpe- .neJIHIOTCH B COOTBeTCTBHH C D. 3.1 H8CTOSJIllero PYKOBo cTBa. BblcoTa <}>YH,lta MeHTa 11., ({pOftle Tor 0, Ha3Ha l laeTCH no YC- JIOBHHM sar JIy6JIeHIfSI, no ycn PUC. 49. OT.ne.,fJbHbIM nnpaM1f.n.aJIb- BHHfvI sa.neJIKII c6opHOH KOJIOHHbI HblH 4>Y H .n. aM eHT HJIM no YCJIOBMHM sa.ne.nKH BbI" nycKoB apMaTypbt npH MOHOJIHT- 1- KOJlOHHa; 2 - nO,llKOJlOHHHK; 3 - nH. HbIX KOJIOHHaX H aHKepHblX ()OJI.. ,aMH,ll.8J1bH8fl nJlHTH8H '48CTb; 4 - C)eTOO'" HaS! no.nrOTOBK8 TOB npH CTaJIbHbIX KOJIOHH8.X. Bb!COTa D.nHTHOH qaCTH cJ>YH- ,aaMeHTa naSHaqaeTCH no pacqe- TY. Ec.nH BblCOTa q.YH aMeHTa nOJIyqaeTCH 60JIbWe BbICOTbi nnHTHoH 'l3CTH, TO 3a ClleT pa3HHIJ.bI B BbICOTax YCTpaHBaeTCB nO KOJIOHHHK. BbICOT}' q>YH.naMeHTa peKOMeHJlyeTcH HaSHaqaTb KpaTHoH 300 MM. 3.22. Pa3 1epbl B nJIaHe nO KOJIOHHHKa H nOJlOWBbI ,lJ,OJI>KHbI HaSHa- WJ8TbCH KpaTHbIMH 300 MM. , f1>opMa nOnepeQHOrO cetleHHH nO l{OJIOHHHI{a, l<aK npaBH.n<?, npHHH MaeTCH npJJ fO}TOJIbHOil. npH cooTBeTcTBylOmeM 06ocHoBaHHH .nnH CTaJIbJIbiX JJ.BYXBeTBeBbTx KOJIOHH MorYT ObITb npHHHTbl H .npyrHe <»op" MLJ nOnepeIJHblX CelleHHH nO KOJIOHHHKOB, HanpHMep .nByxBeTBeBh1e, a TaK>Ke X-06pa3Hb1e nO KOJIOHHHKH. L{nyxBeTBeBble nOJJ.KOJIOHflUI{H HOH" TPYHpYIOT TaK }Ke, KaK Ii KOJlOHHbl, a peKoMeHjJ.8«HH no KOHCTpYHpO" naHHIO X -o6pasHblx nO,l(KOJIOHHIIKOB npl1Be,neHbI B n. 3.32 HacToHw.ero PYJ<OBo.ncTBa. 1L -1 1 1 . I 2 lit) t:3 '- " 1- 1 2 1 CQ "- " J l (l<pomHO 300) ti6
3.23. Pa3MepbI no BbTCOTe no,nKOJlOHHHI{a H MHTHOA '13CTH Ha3Ha- QalO1'Cft KpaTHbIMH 150 MM. BblCOTbI cTyneHeH YCTaHaBJ1HBaIOTCH B sa. BHCHMOCTH OT nonHOH BblCOT n HTHOH qaCTH YH aMeHTa H npHHHMa- IOTCR paBHblMH 300 H 450 MM. npH BbICOTe nJIHTHOii llaCTH 1500 MM II ooJ1ee BbICOTa Bep Heii cTyneHH MO>KeT 6blTb npHHRTa paBHoH 600 MM. BbTCOTbl cTyneHeH peKoM HAyeTcSl npnfJHMaTb no Tao . 17. 3.24. nOA MOHonHTlIblMH Q:>YH,lJ.aMeHTaMH He3aBHCHMO OT rpyHToBbIX YCJIOBH" (I<poMe CKa.,'1bHbIX rpYHToB) peKoMeH yeTcH Bcer,na npeJ(ycMaT- t 611 t >KeJ1e306eTOHHblM «PYHAaMelIT f=20+30 M'M np" MeTaJlJlH eCKOn OnaJ1y6Ke; 1==50 ltIM npH AepeBRHHoA ooa.. nyoKe t Zn t , i J L__J l PRC. 50. C60pHblH , I t , L__J J ! b J pHBaTb 6eTOHHYIO no.nrOTOBKY TOJlmHHOH 100 MM H3 6eTOHa MapKH M50, a no,n C60pHblMH - H3 cpeJ(He3epHHcToro neCRa CJIOeM 100 MM. fipH HeOOXO,lJ.HMOCTH YCTpOHCTBa cJ>YHJI.aMeHTOB Ha CKaJlbHbIX TPyH" Tax CJle yeT npell.YCMaTpHBaTb BbIpaBHHBalOmHM cnOH 'no rpYHTY 113 6eToHa MapKH M50. 3.25. npoeKTHYIO MapKY 6eToHa no npollHoCTH Ha CLKaTHe AJISI MOHonHTHNX YH aMeHToB Ha eCTeCTBeHHOM OCHOBaHHH H MOHOJl"TH X pocTnepl<oB OTJ(eJIbHLlX cBaHHblx «j)YHJI.aMeHTOB peKoMeHAyeTcSI Ha:iHa.. qaTb He HH>Ke MapKH MJ 50. C60pHbJe cpYH)I.aMeHTbl H pocTBepKH CJIe yeT BbInOJIHSlTb H3 6eTO- Ha MapoK M200 HJIH M300. 3.26. To mHHa 3aUUITHoro C.HOSI oeToHa D6 J( H pa6ollei1 apMaTY- pbl no,nOlllBbI MOHOJTHTHNX cpYHAaMelIToB OJl2KHa Y OBJIeTBOpSlTb Tpe... 60BaHHH 1 n. 3.3 H8CTOHlll.ero PYKOBoAcTBa " npHHHlvlaTbCH He MeHee 35 MM (c yqeTOM, 1lTO BblnonHSJeTCH oeToHHaH nO)J.rOTOBKa), a npH OT- CYTCTBUH 6eToHHoH nOJ(rOTOBKH - 70 MM. TOJIWHHa 3aIUHTHoro CJlOH B C60PHWX YHJ(aMeHTax H nO,lJ.KO OHHHKax MOHOJIHTHWX YH aMeHTOB JlOn>KHa ObITb He MeHee 30 MM. npH Heo6xo!U1MOCTH apl-tIHpOBaHH5I nO,ltOlllBbl «)JYH,lJ.aMeHTa, YCTpa- .. HBaeMoro Ha Cl<a.,'1bHOM rpYHTe) c e yeT npenYCMaTpHBaTb 3aI.U.HTHbIH enOH 6eTOHa TOJII.U.HHOH 35 MM.. 3.27. ,QHaMeTp pa(50QHX CTep>KHei apMaTypbI (cBapHon HJIH BR3a- BOH) nO,lJ.OlllBbI, YK a bIBaeMbIx B OJIb CTOpOHbl 3 M '}I MeHee, OJI>KeH 6b1Tb He MeHee 10 MM, a cTepmHeH, YK,,1JaJI.bIBaefvIblx BJI.OJIb CTOpOHbI 60JIee 3, M, -lie MeHee 12 MM. 3.28. nO OWBbI YHJI.aMeHTOB peKoMeH yeTcSI apMHpOBaTb THno- BblMH YHHcpH HpoBaHHblfvIH cBapHbIMH CeTKaltH (CM. Ta6JI. 5), YKna,ALI- BaeM MH B )J.Ba cnOH C pa60tJei apM8TypOH BO B3anMHO nepneHAHKYR JISipHOM .Hanp8BJIeHHH. B03MO}KHbIe cxeMbI paCK41'Ia,nl{H THnOBblX YHH4>n- UHpOBaHHblX CCTOK B cnoe ,ltaHbI Ha pIlC. 51. 5* 67
50 PHC. 51. PacKnaAKa cBapHbIx YHH4>HD.HpoBaI-IHbix ceTOK OAHoro CJ10Jl ITO nOAOWBaM OT,lI.eJIbHhlX 4>YH,lI.aMeHTOB KOnOHH 1 - ceTKH; 2 - nOAOWB8 YHJ1aMeHTa npn WUplIlIC cj>YI-l,l1aMeHTa AO 3 M MO>KHO npHMeHHTb O,lI.HY ceTI<Y C pa60'lHMH CTep>KHHMH B ABYX HanpaBJIeHHHX, eCJIH STO He npOTHBOpeqHT YCJlOBHHM YUHq>HKaUHH apMHpOBaHHfl q>YHJI.aMeHTOB .naHHoro OODeKTa. npH apMHpOBaHHIi nOAOlllBbl 4>YHD.2MeHTOB THnOBbIMH YHH Hl HPO- B8HllbIMIf ceTKaMH CJle.nyeT npOBepftTb paCqeTOM Ha.ne1KHOCTb 3HKepOBKH pa60Qnx CTep>KHeH. T2K l<aK KpaHHHe nOnepe'lHble CTep>KHH THnOBhlX ce... TOK paSMelltalOTCR Ha paCCTOflHHH 150 HJIH 300 MM OT 60KOBOn rpaHH IIH>KHeA cTyneHH. AHKepoBKa npOAOJIbHblX pa60QHX CTep>KueA CtfHTaeTCJI ooeCneqeH... HoA, eCJ1H B npe,l1eJJ8X yqaCTKa IIH>KHeH TyneHHJ Ha KOTOpOM npOqHOCTb 68
Ta6nHD.a 17 QO,l.lafl BLrCOT8, nnHT- I EhlCOTa CTyneHeR. MM HoA lJaCTH YIIA8Mt'H- hI , hs h3 Ta, MM 300 300 450 450 600 300 300 750 300 450 900 300 300 300 1050 300 300 450 1200 300 450 450 1500 450 450 600 CeqeHHH 06eCneQHOaeTCH 6eToHoM..16, pacnOnO>KeH XOTSI 6N O,lUUJ none- peQHbli1 Crep>KeHb CBaptlOH ceTKH unH co6JIIOAae-rcSI YC,lIoBHe It; > lau- (16) 3HaQeHHSI 16 (pRC. 52) ,l1J1S1 «!>YH.llaMeHToB H3 paSHbiX MapOI{ 6eTOH8 B 3BBHCHMOCTH OT OTHowelIHSI eonpOTHBJleHI1S1 OCCBOMY paCTH>KeHHIO 6e.. TOlf8 R p K }CpaeBOMY AaOJIeHHIO H8 rpYHT non nO.D,oWBOH cj>YH,l(aMelIT8 PJ'P (B3HTOMY H3 paC'leTa) onpeJ(eJiSleTCft no rpa«!>HKY pHC. 53. .l{JIH onpe.neneHHH 3HaIJeHHJI If} .o.nR «!>YH,n,aMeHTa 83 6eTOHa np04 eKTHoH MapKH M150 (R p =6,3 Krc/cM 2 ) npH l<paeoOM ,naBneHHH cj>YH. J),2MeHTa H3 rpYHT prp=1,8 Kfe/cM 2 H BhlCOTe cTyneHH fJ J =30 CM Bb1- R p 6,3 QllCJISleM OTHOWCHHe - p = _ 8 = 3,5, HaXO,lJ.HM Ha OCH Op.l(HHaT l'p 1 t TOllKY co 3Ha'leHHeM 3,5 H npoBo.o.HM OT Hee npHMYIO, nap.anJJeJJbHYIO OCH a6CD.HCC, .0.0 nepeCeqeHHH C KpHBOH .o.nH 3Ha t leHHfl h J = 30 CM. OT TOQKH nepeeeqeHHH 9THX nHHHA onYCKaeM nepneH.l(HKYJIHp Ha OCb a6c- D.nCC, r.n.e H tJHTaeM 3HaqeHHe If} =43 eM. 3H3qeHHH las onpeAeJIHIOTCR no n. 2.40 H3CTOHlllero PYKOBo.ncTBa. EcnH paClJeTOM nOKa32HO, lITO 3HKepoBKa CTep>KHe THnoBoD. YHJI- cJ>HD.HpOB3HHOH ceTKH He 06eCneQHBaeTCH, TO Heo6xOAHM@ npe.nYCMOTpeTb O,l{HO "3 CJle,llYIOILlilx MeponpHHTHH: a) npHBapHTb K KP2HM ceTKH Ha paccTOSlHHH 25 MM OT KOHD.OB npo.nOJlbHhlX Crep>KHeM no .l(onOJIHHTeJJbHOMY nOnepeqHoMy aHKepHoMY CTep>KHIO .l(HBMerpOM He MCRee nOJIOBHHhl .lUlaMerpa pa6o'lero CTep>KHH; PIIC. 52. AHKepoBK8 pa60tJeu apMa- TypbI nO.l(OWBbl f»YHAaMeHT2 (BTO- poA CJJoA ceTOK YCJIOBHO ue nOKa.. 1 38H) . 1 - YIIA8 MeHT; 2 - npOJl,o.'1bHble (p800- J He) CTe'»KHH CB8pHblX ceToK; 3 - none. 1>ellHLle (MOHT8>KHble) cTep>t<IlU cBapHblx I'J ceTOK; d H d. - COOTBeTCTBeHHO AH8MeT- pLi npOAo.nb!iblX H nOnepeqHbIX CTep>KueA CeTOKi hi - Db1COT8 HII>KHeA cTynettH 4>Y HJI, 8 MeHTa laH l6 69
6) CHH31ffb .nHaMeTp pa601JHX CTep>KHCfl .ceTOK S.3 ClJeT YMeHblIle- nH1l I'IX lllar3 c 200 ]J.O 100 MM nYTeM YKJJ3lU<H ceTKM Ha CeTKY; B) yseJIH'IMTb BblCOTY HH>KHeH cTynclJH <pYH.naMeHTa; r) YBeJIH'IMTb MapJ<Y C5eTOHa YH.naMeH1'3. 3.29. ,[louycKaeTcfl, npH Heo6xoJUfMOCTH, apMJlpOB8'fb 110JJ;e.llttTbl cj)YH,lJ.aMeHTOB OT,lJ.eJlbHbIMH CTepJKHHMH. B 9TOM cnY(lae crep>KHH pac- Rpl P2p 10 5 f / I I- J 1 ] "../ I, , " "'l -, J I I I I , 7 / J J ,. i J I I / I '/ J' II ) / J / I" I , 1/ J i-o- _ - i-- - I / I ---.. , 7 It / ./ / t " / j IJ V /' 1/ / / .., It D 8 '7 G Jj J5 J 2 1 o 10 20 JO "0 50 60 70 80 90 100 110 120 1;}0 1/;O 11a, lO, CM . ))HC. 53. fpacl>MK ,lJ.JIH onpe.n.eJlellHH ,n.J1HHhI YQaCTK8 [6, H8 Ko.TOpOH npOQHOCTb U8KJIOHHbIX CeqeHHit 06eCne'lHSaeTCfl 6eTOHOM HH}J(HeA CTY- neHH cpYH,lJ.aMeHTa Rp - p8CQeTHoe conpOTHB..'1eH!:!e oeTOHa oceBOMY paCT >KeHHIO no Ta(S.'l. 18 rn8" BLI CHun 11-21-76; P rp - H8H6onbIlJee KpaeBoe .D.8BJleHHe Ha rpYHT OT p8C'leT" Hoft H8J'PY3KH oe3 Y'leTa Beca €pYH.D.8MeHT8 H rpYHT8 Ha ero YCTyn8x; hI - BbI COT8 HH>KHelt CTYneHH 4>YH.D.aMeHTa KJla,lJ.bISaIOTCH 80 B3aHMHo nepneHn:HKYJlHPHbIX HanpaBJleHHHX, napan- JJeJlbHbIX CTopOHaM nOAOlllBbI. llIar CTep>KHen peKOMeH.nyeTcSI npMHHMaTb 200 MM, J(JlHHa crep>KHeH Ka*.noro HanpaBJleHHH ,lJ.OJl>KHa ObITb OAHHa.. KOBO". B CJlytJae npHMeHeHHH apMaTypbI nepHO,lJ.H1JecKoro npocpHnfI ABa v v u KpaHHHX pg,lJ.8 nepeCelleHHH CTep>KHeH no nepHMeTpy CeTKH Aon:mHhI f)blTh coeJJ.HHeHbI CBapKOH. .LlonycKaercfI npHMeHeHHe .nyroBoH CBSpKH. BHYTpeHHMe nepeCeqeHHSI ,lOJlJKHbI 6bITb nepeBH3aHbl qepes ysen B wax" MaTHOM nop ,Q({e. ECJIH )J.JIH apMlfposaHHSI nO,lJ.OwB npHMeHSleTCSI rnaA" 70
Raft a pt.t8 rryp a , CTep)KHH ,lI.On}f{HbI 3BKaH'IHB8ThCfI KpIOK8M-H. a CD.plCa Hep eH1fH no nepHMeTpy B STOM cnyqae He Tpe6yeTCSI. 3.30. MHHHM8J1bHblH npoueHT apMHpoBaHHH nOJ(OWB'bI q>YHAaM'eH'" TOO H pOCTBepKOB He perJI8MeHTHpyeTcH. 3.3.. nOAKOJIOHHHKH, ec.nH He06xo,nHMO no paclleTY, )J.OJUKHbI apMH- pOBaTbcH 'npo,nonbHoH H nOnepeqHOH apMBTYPOH no npHHUHny apMHpo- BaHDR KonOHH. a} 0) Cf J1 -I. 2L :J.2 e- -- -- , l 2-2 C2 t ! l 1-1 l 1 CI C1 C1 C1 PHC. 54. ApMHpOBBHne nO)J.KOJlORHHKOB npHMoyroJlbHoro CeqeHHH CBap- IINNH ceTK8MH 6es HX B3aHMHOM CBH3H I11llHnbKBMH H XO'MYT8MH a - paCQeTH8f1 paCTSlHYT8S1 apMaTypa B O,llHOn nJlOCKOCTH: 6 - paCqeTHaSi pacTSl- HYT8S1 8pM8Typa B BYX nnOCKOCTflX nJIOllla.nb CeqeHHH npO,lJ.O bHOH apMBTypbl C KB>K,lJ.OH CTOpOHbl me- JIe306eTOHHoro nO)J.KOJIOHHHKa ,lJ.OJl1KHa 6b1Tb He MeHee 0,05 0 10 nnow.aJJ.H nOnepeQHOrO Ce1JeHHSI nO)J.KOJIOHHHKB. .l{HaMeTp npOJ(OJlbHbIX CTep)l{HeA MOHOJIHTHbIX nO)J.KonOHHHKOB ]J.on- >KeH 6hITb He MeHee 12 MM. 3.32. ECJtH B >KeJIe306eToHHblx nO)J.KonOHHHKax C.>KaTBH apMaTypa no paCqeTY He Tpe6yeTcR, a CeIJeHHe paCTHHYTOH apMaTYPbI Heo6xo,lI.H- MO no paC1JeTy He oO/lee 0,3 Oro nJIOwaliH nonepet.lHoto CeqeHHH 6eTOHa, TO ,nonYCKaeTCH He YCTaHaBJIIIB8Tb npOJ(onbHYIO H nOnepeqHYIO BpMaTY- py no rpaHHM, napanJJeJIbHbtM nnOCKOCTH ,lJ.eMCTBHR H3rH6BIOwero Me- MeHTa (no J(JIHHHbIM CTopOHaM nOnepe1JHOrO Ce'1eHHH no,nKonOHHHKa). ApMHpOBaHHe no rpBHHM nO)1KOJIOHHHKOB, nepneH,lI,HKY JIHpHbIM nJIOCKO" CTH Aei'lcTBluI H3rH6alOlll.ero MOMeHT8 (no KOpOTKHM CTOpOH8M nonepeq.. HOI"O CeqeHHH nO)J.KOJlOHHHKa), BblnOJlHReTCH B STOM cnYIJ3e CBapHblMH 11
TIiPOBhlMH YHHt}>H1I.HpOBaHHblMH CeTKaMH C 06eCneqeHHeM TonllUiHbl 3a- I[(HTHOrO CnOH ()eTOHa He MeHee 50 MM H He MeHee ABYX AHaMeTpOB DpOAonbHOH pa60QeH apMaTYP . npH 9TOM KOHCTPYKTHBHyro apM8TYPY B Salll.HTHOM cnoe TOJIllI.HHOH 60Jlee 50 MM YCTaHaBnHBaTb He Tpe6yeTcB; He Tpe6yeTcSI TaK>Ke coe,lI.HHeHHe npO,ll.OJIbHbIX CTep1KHeH npOTHBono- JI02l{HbiX ceTOK XOMYTaMH H WnHJIbKaMH (pHC. 54, a). G) tg 'W .1 ' &1 0) &1 tl ". IC) t:J 1::a..1\ I::t' .... t:: '"- C1 2L 50 PHC. 55. ApMHpOBaHHe nO,lJ.KonOHHHKOB X-06pa3lforo CelleHlfR CBapHLlMH ceTKaMIf a - paCtICTHaB paCT UIYTaB aplS8Typa B o,AHoR nJ1OCKOCTO; 6 - paClleTH8fl paCTfI- "YTa 8pM8Typa B ABYX nnOCKOCTftX AuanOrHqHO apMHpYIOTCH nO,llKonOIIHHKlJ, paCCQIIT8HHbIe I{aK 6e- TOHHble, ecJJH B IIlIX Tpe6yeTcH YCTaHoBKa KOHCTPYKTIIBHOH apMaTyphl (CM. n. 3.10, iJ HacTonw.ero PYKOBoAcTBa). . ECJIH ,lI.OnYCKaeTcH paCQeTOM, TO Tal{Oe apMupOBaHue CBapHbf.MH CeTKaMH (6es UX BsaHMHoii CBHSH) MO>KeT ocyw.eCTBJIHTbCH He TOJJbKO no ABYM, HO H no qeTbipeM CTopOHaM cetlelUfSl nOJ],KOJlOHHHK8 (pHC. 54, 6). CeTKli B 9TOM cJIYQae KpenBTcH K JKeCTKOH OnaJIy6Ke. B C 'YQae npHMeHeHHB nO,ll.KOJIOHHHKOB X...06pasHoro nOnepeQHOrO Ce'leHHft HX KOHcTpyHpoBaHHe peKOMeH,lI.yeTcSI BbinOJIHHTb no puc. 55. 3.33. B c.nYllae HeBOSMO>KHOCTH KpenneHHH ce,TOK K ona_iI}'6Ke ap- MHpoBaHHe nOAKO.'lOHHHKOB npH BhlCOTe c1>yHJI.aMeHTa /l.0 7,2 { MOJKJlO ocYmeCTBJIHTb npocTpaHcTBeHHhlMH c8MoHecYIUHMH KapKacaMH no pRC. 56. Dpll 3TOM B KapKacax BbiCOTOH ,ll0 4,5 M YCTaHaBJllfB310TCft 72
aJ r h n r OJ 1-1 1 1 :. t::;:) .1 1 I !h n =900! '" v/ 1-1 f 3 1 hn=1200 1 h n =1500 2 1 1 2 'Jt:: 1 t:) ,... C;) II c:Q ttS M=1200 1800 Puc. 56. ApAIHpoBaHlle nOJ],KOJlOHIIHKOB caMOHeCYlllHp.UJ KapKaC8MH. co6HpaeMblMH H3 CCTOI{ 4 - 06W.Hn BR.A YJl.A8t.{eHT8; 6 - cxeMbl YCT8HOBKH P83B1T3b1B8IO- U(HX WOHJleK. H ropH30HT8J1bIlYX 8PM8TYPllLlX cBSl3eit B Kap aCax;: 8 - CXeMY YCT8HOBKH CeTOK npH c(5opKe HX B KSpK8C; 1 - ceTKH; 2 -- mnHnbKH (qepes 600 YM no BblcoTe); 3 - rop030H- T8J1bfJbJe apM8TVPHbie CBBS" (npH 4.5 M<.H ())<.7.2 M): 4 - )lyro.. B2)1 cBapK8 (1 mB ==40 MM, h JDB ,==6 MM, UJar 600 M'-I) 73
TO.nbKO p83Bfl3bIB810111He WnHJIbKH"8 BbICOTOH 4,5-7.2 M YCTaIl30JIHSa- IOTCSI .nonOJIHHTe,,'lbHO ropH30HT8JIbHbIe .nH8cl>parMLI )KeCTKOCTH H3 cTep'" }RHeA .nH8MeTpoM 12-16 MM tIepe3 1800 MM .no BhICOTe. npH 8pMHpOB3HHH nOAKOJIOHHUKOB YH 8MeHToB OMCOTOH oonee 7,2 M npH cOOTBeTcTBYIOw.eM 06ocHoBaHHH AJIH HaOeCK" cBapHbIx ceTOK a) h n 0) h n t t 2 71 1 1 . . "- 1 1l 'X: -1 1 2l 12 J. C, "" .. "" I. 1-1 1 2-2 1 ' I 2 . .'. !.. · 1 h n 1 J, 1-1 - ]3 L- PRC. 57. ApMHpoBaHHe no,nKOJIOHHHKOB ceTK8MH, HaoelliHoaeMbIMH H8 necYll1J1H KapKac, H rHYTbIMH ceTK8MH If - npH pacqeTlIoA paCTSlHYTOA apM8Type B o)l.HoA nJIOCKOCTH; 6 - npH pac- lJeTHoA pacTHHYTOA apM8Type B D.BYX DJIOCKOCTHX; 1 - nnOCKHe ceTKH; 2 - fleey- HA KapKac; 3 - J'HYTble ceTKH C ABYX HJIJI lIeTbIpex. CTOpOH .nonycKaeTCfl. npHMeHHTb K3pKac C IIcno.nb.. SOB8HHeM npOKaTHbIX npO H.JleH npeHMymeCTB.eHHO H3 yrO.,'IKOB (pHC. 57). npoKaTHbIe npO HJ1H 9THX K3pKacoB ,lI.OJ{}I{Hhl YllUTbIB3TbCH B Ka... '1ecToe paooqeA apM3TypbI nOJ.lROJIOHHHK8. npH He>KeCTKOH on3J1y6Ke )I,-onYCl<aeTCfl T31{}Ke apMHpoB8Tb nOJl.KO" JlOHHHK CeTI(3MH C OTOfHYTbIMH KpaflMH (pHC. 57, n03. 3). 14
3.34. ApMHpoBaHHe CBapHbIMH ceTKa:MH BblCOKHX nOMonOHHllKOB np" pa3 enbHoM oeroHHpos3HHH nnHTHoH qacrH H nO KOROHHHKa peKoMeHAyeTCR B nORHHTb co CT . KOBaHueM ceTOK Ha)1 nJIHTHOH lJaCTbJO (pHC. 58). CTbIKoBaHHe pac- THHYTbIX paootIHx cTep>KHeii CeTOK BHaxReCTKY npH oopbIBe Bcex cTep- lKHeH B O HOM CeqeHHH cRe yeT BLlnOJlHHTb Ha BeJUf1JHHY 2 lu (puc, 58, a) . npH 06pbloe B O HOM CeqeHHH 50Ofo pa60qnx CTep>KHeii CTbIKOB3- HHe ceTOK MO>KHO ocymecTBRRTb Bpa36e>KKY nYTeM BblnYCKa 83 DJIUT- HOU qaCTH 4>YHAaMeHTa BYX ceTOR: O Ha ceTKa BblnYCKaeTCH Ha ,llRHHY 1 ft , a BTopaR - H3 21 H (pHC. 58,0). CYMMapHaB nRow.a,nb Ce1JeHHH CTep>K- HeB ceTOK ,nOR>KHa COCT3BJIRTb nnOl1(a b CeqeHHSI paOO1JeH apMaTypbI nOJJ.KOJIOHHHKa. 3.35. npOJJ.O,,'JbHble CTep>KHH apMaTypbl no,nKOROHHHKOB MOHORHTHbiX $YH aMeHToB npH OTCYTCTBHH rpYUTOBblX BOA peKOMeH.nyeTcii ycranan-' JUJBaTh Henocpe,nCTBeHHO Ha 6eTOHHYIO no rOTOBKY, SaKaHqHBaB ox SAeCb 6e3 KplOKOB II OTfHOOB. Pitt. SS. Y CTpOlicTBO CTblKOB pac- ... TJlHY1'LIX CTep1KfleH BHaxneCTKY B YHA:aMeHTax KOJIOHH np" pas.. AeJlbHOM OeTOHHpOBaHHH CTyneH qaTOU QaCT8 cJ>YH)laMeHT8 H noJJ. KO.nOHHHKa Q. - npu CTblKOBKe Bcex CTep>KHea B o.n.... HOM Ce1JeHHH; 6 - npa CTblK.OSKe 50% cTt'p>KHeA: B OD,HOM CeqeHHH; 1- CTyneu. 1l8T8R 1l8CTb 4>YH,lI.aMeHT8: 2 - nOD,ROnOH- HHK; 3 - CTblKOB8H ceTKa; 4..... ceTKa noJl.- KonOHIUfK8; 6 - ceTKH nO,ll.OWBbI 4>YU,lI.8- MeHT3 a) t-.J CI 5) ':t: t--..I :t N I i c:: = =:lkc::: JL II =:Jb = JlononHHTenLH e YKasaHU9 nO KOHCTPyupOBaHUID 4>YHAaMeHTOB C60PHbiX )KeJ1e306eTOHHblX KOJJOHH 3.36.. <l>YH;JJtAieHTbl COOpHblX KOROHII peKoMeH.nyeTcH KOHCTpYHpoBaTb no puc. 59 co cT3KaHHoH Q3CTblO J(RH 33Ill.eMJ1el-IHH KOROHH, CTaKaHbJ cl>YHAaMeHToB ,nnyxBeTBeBblx KOel'lOHH c paccToHHHeM Me>K- JJ.Y HapY>KHbIMH rpaHSfMH BeTBeH h H >2,4 M peKoMeHAyeTcii BblDonHRTb OTJleJ1bHO noJt Ka>KJ.J.YIO BeTBb. fRy6HUY CT3K3Ha cpYH.naMeHTa he CJleJtyeT' Jla3HaQaTb Ha 50 MM 60Jlbme r ny6HHbf 3aJteJJKH KOJlOHHbJ hS9 3.37. fJ1y6HHa 3a.neJIKH THflOBblX KO.nOHH B cl>YHJt3MeHT npHulfMaeTcH no cooiueTcTBYiOUlHM THlIOBblM cepHflM. f Ry6HHa 3a eRKH HeTHnOBblX KOJIOHII npHHHl1aeTCH B 3aBHCHMOCTH OT Tuna KOROHHbl. 75
I(O.nOHHbI npSlMoyrOJIbHoro CeqeHHSI SaJle.nblBaIOTCSI B 4>YH,l1aMeHT Ha r.ny6HHY, onpe.nenfleMYIO no Ta6JI. 18. rnyoHHa SaJleJIKH .n0yxBeTBeBbIx KOJIOHH .non>KHa YAoBnemopSlTb cne.nYIOIUeMY yc.nOBHIO: hs > O,5+0,33h n , (17) rAe hu - paCCTOSlHl1e Me1KAY HapY1KHblMH rpaHflMH BeTBeA KonOHHbI, M. npn hl:J 2,1 M fJ1y6HHa SaAeJIKH npHHHMaeTcSI 1:2 M. 0) :t: . . f.- ..6,15tJ (PJ 1 . .2 . PIIC. 59. 'loUO.'uITlIbIe cJ>YHAaMeHTbI CGOpHbIX KOJIOHH a - (j)YH,lI.aMeUT C p83BHTbJM 1JO,ll.KOJlOHHHKOM AnSI IOnOlfUbI npSlMoyrOJlbliorO ce. qenHR H ,D.syxBeTBesoA: 6 - TO >Ke. 4>YIf,ll.a MenT, COCTOHllI-ldt TOnbKO H3 nnHTlloA: 'Utc"fu; L - CT8K8H; 2 - KonOHua; 8 - nO,ll,KOJIOHIIHK; 4 - n.nHTuaH q8 Tb cPYIiJJ.,a.. MeHTa fny6HHa sa,a,enKH KOJIOHHbl .nOJI}KHa TaK}Ke Yl OBJIeTBOpSlTb Tpeoo- BafIRIO aHKepOB({H npo.nOJ1bHOA pa60 t leH apMaTypbl KOJIOHHbI B 4>YHJla- MeUTe (Ta6JI. 19). ,LlonycKaeTcfl YMeHbwaTb rJIy6uHY 3a.ne.'JKH pacTSlHYTblX CTep1KlleH: a) eelIH OHli nOCTaBJ1eHbI C 3anaCOM no cpaBHeHHIO c paCtleTOM no N a npO'lHOC1'1l. YMHO}!{IIB SiIa1JeHHJI Ta6nHl.bI Ha K03C}>cl>II11HeHT Ra Fa . IJO npUHHMaTb He MeHee 3HaqeHHH 3a,neJIKH JlnSl c>KaToA apMaTypbl. 3Jlecb tJ a - YCH,1Ine, KOTopoe JlOJI1KHO 6bITb BOcnpHHSlTO aHKepyeMbIMH paCTB- fIYTbIMH CTep>KIUIMH no pacileTY; Fa - nJlow.aj b CeqeUIISI €}>aKTHtlecKH YCTaHOBneHHbIX allKepye11bIX pac.. TflUYTbtX CTep}l(iIetl; 76
T a () JI H n a 18 3H8qeHIle OTHOWeHIUJ de - (CM. pHC. 59. a) hc 1\HHHM8J1bH8S1 l"J1y6HH3 s8Aem<H C60pHhlX KonOHH npSlMOYI"().I'1bHOI'O CeqeMHSI B 4YHA8MeHY hs npn SHaqeHHH 5KClleHTpMCHTeTa npoAOJJbHOA CHJlbI eo "JIM de - (CM. pHC. 59, 6) hs 2hK >2h K >0,5 I <.h K I <.h K <.0,5 <.h K hK+ (hK -2d c ) (;: -2), nplf1leM h K <.ha <.1 ,4h K T 8 () JI H n a 19 lIJlHHMaJlbHaR r JlY(SHHa S8AenKH pa(ioqeA apMBTyphi KOJlOHHbI B t)YIIA8MeHTe npH npoeKTHoA MapKe (SeTOHa KO.'10HII KJl8CC epM8Typhl nonepeqJloe O CeqeUHe KO,,'10HHbI ,..300 II Bhlwe paCTSlHY- ! ToR C>KaToA pa AHY- C>K8TOIt . n p Sll{ oyrOJlb- I 25d 15d 20d IOd Hoe J -II .... J{BYXBeTBeBOC I I I npBMoyrOcJ1b- Hoe 30d J5d I 25d JOd 30d 18d I 25d I 15d 35d I 18d ! 30d I 15d A..I)1 )loyxoeTBeooe 6) npn YCTpoACToe YCHneHIIA Ha KOlIll.aX 8HKepye lblx CTep>KHeii (n. 2.41 «6», «B» lIaCTOHUJ.ero PYKOBOJICTB8), HO npHHHM8Tb He Mellee 15d. rJlY()HH8 S8,lleJJKH ABYXBeTBeBblX KonOHlI ,ll0JI>K1I8 T8K)Ke yAOBJIeT- BOpBTb Tpe600aHHHM 8HKepOBKH paCTSlHYTOH BeTBH KOROHH B CTaKaHe cJ>YH,ll8MeHTa. ,[lOCT8T01JHOCTb aHKepOBKH neToH npOBepHeTCH p8CQeTOM H8 cnenneHHe 6eTOHa no nROCKOCTBM KOHT8KTa 6erOH8 S8MOHOnHqHBa. HAft c 6eTOHOM CTeHOK CT8K8H8 H C 6eTOHOM BeTBH OJIOHHbI. 3.88. TORUJ.HHY AHa craK811a CJle.nyeT npllHHM8Tb no p8CqeTY, H oua AOJl1KHa 6b1Tb He MeHee 200 MM. Mcxo.nfl H3 9Toro BblCOT8 YHAaMeHTa 77 oopHoA KonOHR!>I ,l(O.n>KHB 6bITb He MeHee rJIYOHHhl CT8KaHa, YBe.nl{tJe,H- 80M Ha 200 MM. , 3.39. CTeHKH CT8KaHa AonYCK8eTCH He 8pMHpoBaTb eCJIH TOnlnHH8 HX nOBepxy 6o.nee 200 MM H oo.nee 0,75 rJIy6HHhi CTaK8H8 (npH rJIy6ul,e CT8Kalla MeHbUleit, tleM BbICOT8 nO,lLKo.noHHHK8, - (pHC. 59, a) HnH (SQ- !L . c:;:r v/v'1 d II h n J 1-1 - C-f - / 2Sd'd, 8MM PRC. 60. ApMHpoBBHHe cT8KaHHoA Q8CTH <}>YH,llaMeHT8 C60PHOA KonOH- HbI CBapHbIMlJ ceTKaMH (Ct) J - c1JYH)l.aMeHT; 2 - KOJIOIIHa; 3 - npO.D.OJlbHasr apMaTypa OO;J.KOJlOHIIIU,a; 4- oOnepetlH8S1 8pM8Typa nO,ll.KonOHHIiKa T a 0 n H a 20 THO KOJIoHHbI » MHHHM8JJbH811 TOJI HHa CTeHKH CTaK8H8, pacno- no <eHHOn nepneHAHKynHpHo nnOCKOCTH AeAcTBHH H3rH68 ero MOMeHT8 npH sKcqeHTpHChTeTe npOAoJlbHOA CHnbI eo <2h K I I >2h K . npBMoyronbH8g I I O,2h K O,3h K .QOYXBeTBeBaH OJ 2h 11 78
.nee 0,75 BbICOTbI BepxHeA cTyneHH cl>YH,naMeHTa (apa rnyoHHe CTaKaHa 60JlbWeH, qeM BblCOTa nOAKOJIOHHHKa, - pJlC. 59, 6). ECJIH 3TH YCJIOBHH He COOJUo.n.aIOTCH. creHKII CTaKaHa CJ1e,nyeT ap- MHpOBaTb no pHC. 60 nonepetjHoH H apo,nOJIbHOA apMaTypoii B COOTBeT... CTBHH C paC'leToM. npH 9TOM TOJUIlHHa CTeHOK CTaKaHa AOJI>KHa 6hJTb lIe MeHee 150 MM. KpoMe Toro, TOJIIIlHHa cTeHoK, pacnOJI01KeHHblX nep- neH,llHKYJIHpHO nJIOCROCTH JleAcTBHH H3rHoaIOwero MOM:eHTa, AOJI>KUa 6bITb He Mellee BeJIHtjHH, YKa3aHHbIX B TaOJI. 20. 3.40. nonepetJHoe apMHpoBaHHe CTeHOK CTaKaHa c.ne,llyeT BbInOJIHJlTb cBapHbIMH ceTKaMH C YHH Hu.HpoBaHHbIM marOM. CTep>KHH STHX eeTOI< pacnOJIaralOTCSI Y HapY>KHbIX H BHYTpeHHHx nJIOCKOCTeH CTeHOK. 11Ha- MeTp cTeplKHeH ceTOK CJIe,nyeT npHHHMaTb no pactJeTY, HO He MeHee qeT- .- BepTH ,nHaMeTpa npOAOJJbHbIX CTep>KHeH nO,llKOnOHHHKa H BO Bcex CJ1Y- 'laHX He MeHee 8 MM. ECnH Bepx CTeHOK CTaKaHa no paCqeTy HeOOXO,llHMO apMHpOBaTb CHJIbHee, qeM B OCTa.nbHOH ero qaCTH, TO ,lJ.HaMeTp CTep1KHeli )J.BYX Bepx.. HHX ceTOK npHHIIMaeTCH YBeJ1HqeHHbIM, a war ceTOK coxpaHHeTCH. Pac- CTOBHHe Me1K,ny ceTKaMH CJIeAyeT HaSHaqaTb He 60JIee tJeTBepTH rnyou- UbI CTaKaHa H He oOJIee 200 MM. nO,nKOJIOHHHK HH>Ke AHa CTaKaHa apMHpyeTcH B COOTBeTCTBHH C Tpe60BaHHHMH HaCTOHInero PYKOBo,nCTBa K apMHpOBaHHIO KonOHH. CTepJKIIH npO,lJ.o.nbHOH apMaTypbl nO.llK0J10HIIHKa AO.n1KHbI npOXOAHTb BHYTPH RqeeK CBapHbIX ceTOK nonepetJHOH apMaTypbl. 3.41. BeToH ,nJISI saMOHo.nH1lHBaHHH KOJIOHHbI B CTaK8He YH.l1aMeHTa Ao.n1KeH 6b1Tb He HH1Ke MapKH MI50 H He HH>Ke MapKH oeTOHa cl>YHAa- MeHTa, YMeHbweHHOH Ha O,nHY cTyneHb (50 KrC/cM 2 ). ,RonOJlHHTeJ1bHble YKaaaHHSI no KOHCTPyupoBaHHIO .YHAaMeHTOB MOHOnHTHYX ene30oeToHHMX KonOHH 3.42. <l>YH.naMeHTbl MOHOJIHTHblX K0J10HH peKoMeH,nyeTcH KOHCTPYH" pOBaTb Ha pUC. 6 t . PasMepbl nOnepeqHOrO cetJeHHH nOAKOJIOHHHKa no cpaBHeHHIO C pas- Mepa'MH nonepetjHoro CeqeHHH KOJIOHHbl npHHuMalOTcH YBe.nHqeHHbIMH Ha 50 -0,050 ..t::: t: ::t: PHC. 61. 4>YH.l(aMeHT MOHOJlH T- HoA >KeJIe300eToHHoH KonOHHN PHC. 62. ApMHpoBaHHe YHAa'" o MeHTa MOHOJ1HTHOH KOJIOHHht 19
80 " PHC. 63. Pacn0J10>KeHHe BblUYCKOB CTep>KHeA nepHOJ1HQe- CKOro npoc}>HJJJI J(JlH YCTpoAcTBa CTblKOB apMaTypbl 4>YH- AaMeHTa C apMaTypoil .XOJIOHHbI BHaXJJecTxy 6es cBapKH PHC. fA. Pacno.no:meHHe BbInYCKOB r.na.nKHX CTep>KHeA ".nH YCTpoHcTBa CTbIKOB apMaTypbI cJ>YH,D,aMCHTa C apMa- TypOH KonOHH Buax.neCTKy oes cBapKH
50 MM B Ka>KJ.J.YIO CTOPOHY, lITO Heo()xo.nHMO .n.nJl Y,D,o()cTBa YCT8HOBKR onany6KH KOJIOHH hI. , OTMeTKa B pXa nOJlKOnOHflHKa Ha3HaqaeTCSI Ha 50 MM HH>Ke ypOBHJI 1JHCTOrO nOJIa. CTblK KO.nOHHbI C nOJJ..KOJIOHHHKOM, KaK npaBHJ10, YCTpaH" BaeTCH Ha OTMeTKe 06pe3a c}>YHJlaMeflTa. 3.43. COe.llHHeHUe MOHOJIHTHblX c}>YH.llaMeRTOB C MOHOJIHTHblMn K0J10fl" HaMH B nOJIHHeTCH nYTeM CTNKOBaHHSI npO.llORbHOH apMaTypN KonOHH C BblnycKaMII CTep1KHeA H3 cJ>Yfl.llaMeHTa. 3.44. KOJ1HtleCTBO, .o.HaMeTp H pa30HBKa apMaTypHblx BbInycKoB HS nO,D,KOJlOHHUKa AOJI1KH OblTb TaKHMH >Ke, KaK H B KonOHHe B Mecre ee Sa.Lt .nKH. 3aJleJIKa BbInycKoB apMaTypbI B cJ>Yfl.llaMeHTe AOJ1>KHa 6bITb fie MeHee BeJ1UQHHbr laB (CM. un. 2.40 HnH 2.41. HaCTOSll.lJ.erO PYKOBo.ncTBa). 1(8K npaBH.no, BblnycKH )lOBOASlTCSI .LtO nO.llOlliBbI c}>YR,D,aMeHTa H SIBJ)ft- JqTCH npo.QonbHoH apMaTYPoH nOJU{OJIOflHHKa. 3Ta apMaTypa J10JI>KHa 6blTb OO'he.nHHeHa xOMYTaMH HJlH nOnepeIJHbIMH CTep>KHHMH. npH 60nbwoii BbICOTe nO,D,KOJIOHHHKa MO}KeT BblnOJIHHTbCSI JlOnOJ1HH. TenbHblii CTbII< npO,D,o.nbHon ap!'1aTypbJ nYTeM ycrpoHcTBa DblnYCKOB H3 Bepxfleli cTyneHB n.nHTHoii qaCTH 4>YH.naMeHTa (pHC. 62). 3.45. npH apMHpOBaHHH KOJIOflH BH3aHOH apMaTypoii CTep>KHH ne. pHOJlHQeCKOrO npO HJIH npH ux qHc.ne Y paCTSlHYToH rpaHH CeqeHHJI (ionbwe .nBYX CTbIKYJOTCB B .LtBYX ypOBHJlX no pHC. 63. CTbIKH rna.LtKHX CTep>KHei{ YCTpaHBalOTCB B saBHCHMOCTH OT HK KOnHIJeCTBa y P8CTHflY- Ton rpaHH CeIJeflHSI nOJlKOJIOHHHKa B .nBYX H.nH Tpex ypOBHBX no pHC. 64. ,Q.nHHa nepenYCKa (HaXJ1eCTKH) CTep>KlleH B CTbIKe L B onpe,lJ.eJ1BeTCH no n. 2.46. flaCTOSll.lJ.ero PYKOBO.nCTB8. BbtnYCKH 83 c}>YH.naMeHTa CJ1e.nyeT H 3Ha1JaTb C TaI<HM paC1JeTOM, 1JTO()bI CTep1KHH oo.nbllIeit .nnHH H ()OJIblIIerO .nHaMeTpa pacnOJJaranHCb no yrnaM nOnepeqHoro Cei.leflHSI no.nKOJlOHHHKa. B npe.o.eJlax CTblKa c.ne.nyeT YCTaHaBJ1HBaTb XOMYTbJ C lIIaroM He 6o.nee 10 JlHaMeTpOB CTep>KHSI npo.nOJ1bHoA apM8Typbl (6epeTcSI MeHb- mHD .llH8MeTp). 3.46. BbJnycKH CTep1KHeii HS 4>YHJJ.aMeHToB JJ.JlH YCTpolicTBa CBap" HblX CTbII{OB C npo.noJlbHOA apMarypoA KonOHH C nOMOIUblO Bal1HOii no- JJyaBTOM8THi.leCKOH cBapKH no.n q,J1IOCOM B nOJlHSlIOTCH, KaK npaBH.n0, Ha O,D,HOM ypoBHe. ,QJ1HH8 BbIuycKa .LtOJ1>Kfla OblTb fie MeHee 4 d CTbIKY" eMoro C7ep}l{HJI H He MeHee t 60 MM; paccToSlHHR B cBeTY Me}l{Jl.Y BbJnyc.. 1(8eMblMH CTep>KHSlMH .Lton>KHbJ 6blTb He MeHee 50 Mf;.{. AOnOJlHHTeJlbHble YKa3aHHH no KOHCTpYHpoBalllllo .YHAaMeHToB CTanbH X KOJlOHH 3.47. KOHCTPYHpoBaHHe BepxHeii qaCTH c}>YHJlaMeUT8 H OTMeTK8 06- pe3a 3aBHCSlT OT npHHHToro D npoeKTe MeTaJIJIHIJeCKHX KOHCTpYKIJ.HA cnoco()a onHpaHHSI CTaJIbHoro OaWl1faKa Ha cJ>YH.naMeHT H .{eTo.na MOHTa- }f{a KOJJOHHb1 (puc. 65). Pa3Mep nOJlKo.nOHHHKa B nnaRe YCTaHaB.nHBaIOTCH B 3aBHCHMOCTH OT pa3MepoB CTanbfloro oalliAfaKa, H OHH JlOn>KHbJ YJ.J.oBneTBopSlTb pas.. Mell{eRHIO c}>YH.naMeHTHbix 60JITOB (pHC. 66), BbInycKaeMbix H3 q,Yfl.Lt8- MeHTa .LtJIH KpenJ1eHHSI oaWMatca H nepe.n81JH YCHJu:di OT KonOHHbl. 3.48. <J>YH.LtaMeHTHbJe ()onTbI .nOJI>KHbl 6blTb sa.neJ1aHbl B 4>YHJJ.aMeHT lIa rnYOHHY laB, ITpHHHMaCMYIO no Ta6J1. 21 B saBHCHMOCTII OT THna 6oJJ" Ta (pHC. 67). fnyoHHa sa.LteJIKH .non>KHa ObJTb He MeHee 25 d ,UnH OOJITOB TilDa I H lIe Me,Hee 15 d AJJSI oonToB THnOB 2 H 3., 6-661 8t co X ggs CD 0 8 C.J l('.) 0 .. <.0 0') CI - - c.o ,.... X OLC QQ 0 0 1.0 :E 0 .. 0) ..0 00 :c 0000 0 .... -- -. .. -.::t' <.0 :.a x ¥2 0 0 co '£ .. 0 .... ..... t.Q ...... ... ! '" 4)- i CI Q. R .... 8 c.o ... ... ... GJ. LO .... 10 ..... 2 CJ i :g i (£)0 0 8 0 IIJ (.0 co .. <0 (0 .... - c: co ..... -.::t' - .... .... ! QO Q) 0 Q co , - I 0 LO ...... 0 .... ..... ..... ..... )II: ! J 0 1 8 .. . i -.::t' 0 ..... .... ..... :s Ch .e: CV';) I IIJ , 0 0 A 00 .... t'- .... ! i Q 0'). 0 C'f) I .... I R C'J 0 0 :E .. ('II) Q:) .... «J 1.0 ..... Q. C . 0 J , g at:) 1.0 00 .. -.0( I.Q Ctj ... Q ::G 8 I I 0 .... QO :E .. LQ '" ...... ;)HHdh cq Q" .?H 090 -: <0 IHJH '" .ad wtJi j:tt =: :tt * * * s::a nJUl}Jb'a ('.) cL Q. t (.) Q) . . :E :a .Q = ca C<;S e::( =: :t: =: = := (.J g J::( :t: ca C<;S Q. m t .Q f-c = S Q, 0 = 2 tJ: ca Q. =: -= co t: CO :J: c: :3: :a Q. S :1 :a :c ::c cv CU ::G:a r= 0: ca ca toot Q..O ..... = Q.. ca ::c :c 0 e-. = = :r ,... :z: :: := (j >. Q..ca a (U E-c c; :IS s s <Uti: t::! J::( E-4 eu t:r:: := U:J: :a J::( IJ) Q..cr CQ BJ. It0 9 UHJ. C"f.) -.. .... ..... C') .. o (J:) .. o G') ..... (.0 .. o I I I J J 0 tQ - - .... 0 .... ...... 0 O'.i Ie 0 <0 i: u 0 Z <V 03 =: f-- 0 CQ ::: = ::;: ... 00 co .. CN co ::I = t; 03 f-.. ...... .. (f) iQ .. .... .... ... ..... ..... ..... ... o .... .. o 00 ... ... o 00 .. o f: :.c: ;:Q -= a co :E - 82
, I I I I I I I I I +f-I + -" 0 +E-c + p-t --- 0 +(-1 + ...c <::> +E-c + 0 +E-c g 10+ 8 +(-1 + Lt) :I: GS A 'ca E-- :s: ca == c:t :: t:: Ct) CU ::c 0:: ca - .... a l: t:: 6* c +E-c C . , 0 0 g 0 c... to + ... >. :c ('VJ ..... 0 l'-- Q. 0 ..... '" 0 0 +(-1 :: 0 0 0 0 .0 t:; CJ + co :: e- (V) Q) ... cY:) :g ...... :: 8 +(-1 ..... :s ca 8 0 0 0 0 :a ...... + 0 .. :c ..... C'a ('f"J (0 Eo- 8 -.. C'a Q.. Co. 0 + q: = 0 8 8 1f;) r:: 00 8 10 co .. c:Q Ltj+ C't <N t'- 0 ..... C'a 0... ..... 0 + ...... 0 0 0 0 C.I L'" + 00 C"I .. E- ...... ...... <N ...... ..... = :s: +i-t ..... :c :c 0 0 8 t{.) 0 Ctj :: + 10 .... co Q.. c:( ..... ... .. = "" Oi l'-- ('I') (tot 0 cd +(-1 0') 0 0 0 J,...e = u to+ LO tQ 0 .... ..... <N .. ::! = := (.J :i 0:,... t 0 +(-1 0 0 0 c:; tU t + CI'j J.t) r-- C'a CI) 2 CI .. E-- :: fa LQ ...... ...... .. :: ('.. ('f"J = = :: +(-1 0 Q.. to- o 0 0 10 0 .C :a 10 0+ CI C't ('t'J '"'" t"- i ..... .... ..... .. <.Ottt Ct) = . u-=; 0 +(-1 ,0 0 I.Q 00 ('f"J =0 :i an + ...... 0 .... .. Q..O 0 .... :: ('tJ ...... ..... ..... ....... ca::a !-t 0 +(-1 C<;S :Z::::Q "" 0 0 <.0 co :a=: (W) + 0 ; C)') ...... .... ?E ...... 0 .. c::{ = 0 0 = g f-t = .....} .Q. . f'IIf ro .. Q ''''''' c :to .. Q., ...... ... :.a t-o E-- Q)= . :: 0; (.) t:; tJ:: = 0-= $t R A A A A A J,...e CUte Q) CaJ ca :a t:; = = cu ; D:: = = Q.. (Y) :CQ) ca Q) 0 0 to- Q) Q.. = t. r.; :r'c >- '"'" :c cao cu ca >. co < tr:I E-c :: :: Q. = :c t:; :c == tt)o;: t::( . o ..... :: 0 .. ca ... "'c::{ = j;Q ::: :: !: -.= . . 0 CiJ g =: A ,=; q: :E; ('(') a:: :c IS: :aQ) :: CL) S = ca 0- :c ::c I:Q = C") 0- := :zi Eo- :: Q) := Q.,:C Q.. aJ:Q a Q., ca .... = ca &&; ::E£o-I (.J ca t::e- 0 ::i:: c:: = ca:S: a (.J tt OQl-=;ca Sr::; :: O = z: CJ ca=: CU= Q.. ::c Q) :c E-c :Cto- (1) (jt:: =:{= e- CQ co :: >. a =(.) == ::a c.. = I::; ::c := = 3>-' t: < Q.= t:: (V) t: .cv) Q. · e- ..... t:; (j 83
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I u HHHX KOJIOHH BepXHerO II HH}l{Hero 3Ta>KeH BblnYCKH CJIe.nyeT yc.rpaH'" BaTb YCTaHOBI<OH CneUU3.'IbHbIX C.rep>KHeH B KO.'IHqeCTBe, Heo6xO,nHMOM 1I.JIH KOJIOHHbI BepXHerO 31a>Ka (pHC. 71, 8). f.'IYOHHa 3a,nenl<H (.n nHHa aHI<epOBKH) paOOqeH npo,nOJIbHOfI apMaTY- pbI B KonOHHe HH>KHerO 3Ta>Ka ,non>KH3 UbITb He MeHee TpeuyeMoil n. 2.40, a BenMqHHa Jl3XJleCTI{H CTep>KHeH B CTbIl<e - n. 2.46 HaCTOj1J.ll.ero PYKO'" BO,nCTBa. 3.68. PacCToHHHe MeX{,ny OCSlMH CTep>KHeH npoJtOJIbHOH apMaTypbI KO.'IOHH 110..TI>IHO npHHHMaTbCH He 60nee 400 MM. npH paCCTOHHHH Me>KJI.Y paUOqHMH CTepLKHHMH uo..TIee 400 MM Me>K,ny HHM" HeOUXo.l(HMO yc'caHaB..TIHBaTb KOHCTPYKTHBHble CTep}I{HH AH3MeT- pOM He MeHee 12 MM, C 'reM qTo6bl paCCTOHHHH Me>KAY npo.no..TJbHbIMH CTep}l{H MH 6b1.'IH He uonee 400 MM. Pacc:rOSlHHe B CBeTY 1rle:m,ny np0110JIbHbIMH CTep1KHHMH c..TIe.nyeT Ha3H3tIa'Cb He MeHee 30 MM B C60PHbIX Ko..TIOHHaX, He MeHee 50 MM B MOIIO..TIH'CHbiX KonOHH8x Ii B 060HX c..TIyqaHX He MeHee ,lJ.HaMeTpa CTep>l{HSI. 3.69. KOHCTpYKI.J.HSJ nOnepetIHOH apMa'fypbl .lI.O..TI}I<Ha ooeC,netIHBBTb s8Kpen..TIeHHe C>KaTbIX CTep>KHeM OT ux uOKoBoro BblnyqHBaHHH B ..TII06oM HanpaBJIeHHH. nOnepeQHBSI apMa.'rypa 110JI>KHa YCTaHaB..TIBBaTbCfl y B ex nOBepx- HocTeH RO..TJOHHb1, B6.'IH3H KO'COPblX c'caBBTCSI npo,no..TIbHaH apM8Typa. A..TIH o6pa30BBHHH npocTpBnc'cBeHHoro KapI<aCa nJIOCI<He cBapHbIe ceTKH, pacnOJJO>KeHHble y npO'fHBOnOJlO>KHbIX rpaHeii KO..TIOHHbI, .nOJI>KHbI 2 1 JOOl:h 500 1 V,) 'oJ1 oC) -.JI 600 h f 1000 1 600 h 1000 2 1 ():) '" rQ , t::::;) 1200'h'f500 o 5 PIIC. 72. npHMCpbl apMMpOB3HHH ceqeludi KO..TIOHH C pel{OMeH.nyeMbIM IlIiCJIOM CTep}l{HeM CBapHbIMlf ceTI<aMlf 1- cnapHaSl ceTK8; 2 - CBapHaS1 ceTK8 "Jill coe,nHHHTeJ1bHbTR CTep>KeHb; 3 - coe- Jl.ItHHTeJtbHbIA CTep}KeHb (rnnH.nbKa); 4 - XOMy-r; fj - OT,nenbllblC CTep>KIIH "PO- 1.I.OJIbHoit apM8TypbI; 6 - nonepe"IH8st apM8Typa B BRAe cn8pHoA ceTKH 94
6b1Tb COel1JIHeHbI ,npyr C .npyroM nOnepeqHblMH CTep>KtISIMH, npHBapHBa- eMblMH KOHT8KTHOH TOqellHOH CBapl{OH K yr..TIOBblld npO,lI.OJIbHblM CTepm- HJlM CeTOK, H..TIH WnHJIbKaMH, CBSl3b1B8101I.J.HMH 9TH CTep>KHH. Ec.lJH CeTI{JI npOTHBOn0J10>KHbIX rpaHeii I{O..TIOIIHbI HMelOT npOMe}l{Y- TOllHble npO,lI.OJIbHb1e CTep>KtJH, TO nOCJle.LJ.HHe nO Kp8HHeH Mepe qepea OAHH H He pe>Ke qeM Qepe3 400 MM no wHpHHe rp8uH 110..TI>KHbI CBSl3bIBaTb ft Me>K,lI.y COOOH npH nOMOlllH mGHneK. llInH.lJbKH ,nonYCKaeTCH He CT8BU P fh npH WHpHtIe ,lI.8HHOH rpaHH KOJIOHtIbl 500 MM If MeHee, ecnH qHC.lJO npo. ! JOO'=h 500 ! r: I. : 3 ! 600"h'=800 ! ! 600 '= h '= fOOD f([ I ha 1200'h 1500 hx I- }hx"2/J h Q J PIIC. 73. npHMepb1 apMHpoBaHHR CeqeHHM I{O..TIOHII C pel{OMeH.nyeM'bIM QHC.lJOM CTep>KHeH BH3aHblMH l{apKaCa 1H AO.lJbHblX CTep>KHeM Y STOM rpaHH He npeBblwaeT IleTbIpex. npn 66.lJbUIHX pa3Mepax nOnepeqHOrO CeqeHlISi KO.lJOtIHbI KpOMe ceTOK, pacnOJIaraeMblX Y rpatIeM, peROMeU,lI.yeTcH YCTaHaB..TIHB8Tb npOMe>KYTOqHble CBapHb1e ceTKH. npIfMepbI 8pMupOBaHHSI CeqeHMH KonOHH CBapHblMH CeTI{8MH nOKa. saHbI Ha pur. 72. I<OHCTPYKI.J.IfH BH3aHhIX XOl1YTOB I{O..TIOHH lJ,o.n>KtIa 6b1Tb TaKoB8, 'lTO- (jbl npO,lI.OJIbHb1e CTep}I{HH (no l{p8iiHeii Mepe Qepe3 O,lI.HH) pacno..TIaraJIHCb B MeCTax neperH6a XOMYTOB, 8 STH neperH6bI - tIa paCCTOHHHD He 60- nee 400 MM no ll1HpUHe CeqetIHH KOJIOHHbl. TIp" wHpHHe rpaHIf He 6o.nee 400 MM B qHc..TIe npoAo..TIbHb1X CTep>KHeM Y STOM rpaHH He 6oJ1ee qeTbJpeX D.OnYCKaeTCR OXB8T Bcex np0.l(O.lJbHblX CTep>KHeii O.LJ.HH f XO fYTOM. npUMepbI 8prvlHpOBaHHH CeqeUIfH I{OJIOHtI BH38HOii apM8Typoii IlpH- Be.aeHb1 H8 pne. 73. 3.70. ,Uu8MeTpbI CTep>KHeM nonepetlHoii apM8Typbl B 38BHCHMOCTH OT KOUCTPYKUllH apMaTyptIOrO KapKac8 H ,lI.HaMeTpoB npo,no.lJhHbIX cTep- :mHeii CJIe.nyeT npHHHM8Th He MeHee yK83atlHblX B T86Jl. 24. )lllaMeTp 95
Ta6nHu.a 24 .. KOHCTPYK1l.HH HaUMeHbWHR AonYC}(8eMbl9 AHaMeTp, MM. CT p>Klle9 nOnepe4HOA apM8Typbl npll AII8MeTpe npoAOnbllbiX CTCp>KHeR. MM napKaca 12 16 18 20 22 25 t 28 32 I 36 I 40 --- . CB3pnoff 3 4 5 5 6 8 8 8 10 10 BR33HbIH 5 5 5 5 6 8 8 8 10 10 V cnOBIiSl pa()OTb1 oonepe'JlloD apMaTYPbl CsapIlOH KapKac: npH Ra.c 4000 KfC/CM 2 Bini Ra.e 4500 Jfc/cM 2 BB3ctHbIif KapKac: np" Ra.c 4000 Krc/cM 2 liP" Ra.c 4500 Krc/cM 2 CnapHofl H BHsa.. lu i1 t{apKaC npH J. 30/o CaapHofi H BR3a- awn KapKac Ha Y lacTKe CTbU(a npoaonbHOH apMa- TYP BH3xneCTKY 6e:; Caapl(H Ta6nH a 25 PeKoMenAyeMwe paccTOSlIIIIH. MM. Me>KA}' CTep>KIlHMH nonepetUIOn apMC1Typbl Konollll "pn AHaMeTpe npoAonb- HbiX C>K8ThlX CTep1KHeR. MM .. 12 , 16 I 18 I 20 I 22 I 25 I 28 I 32 I 36 I 40 . 250 300 350 400 450 500 500 500 500 500 150 250 250 300 350 350 400 400 400 400 150 250 250 300 350 350 400 450 500 500 150 200 200 250 250 300 350 400 400 400 100 150 150 200 200 250 250 300 800 300 100 150 150 200 200 250 250 300 350 - n fJ Ii Me 11 a fI H H: 1. llinHJlbKH A.lJSI coe,lUIHeHHR CBapHblX CeTOK 8 . 8pKac yc.raHaUJIHBaIOTCH C W3rOM, npHHSlTb1M .nnD nOnepeqHblX CTep" lKHeii ceTOK. 2. DpH BbJqHCJJeHHH npoueHTa apMHpoBaHHSI J.t. Y'lHTbIBaeTCH o6Ulee lIac w.eHHe CeqeHIfH K0J10HHbI npo.nOJ1bllOif apM8TypoA. 3. Ecnu Ce1leHUe ap fHpoBaHo npo)J.OJ1bHbIMH CTep>KHSlMH pa3Horo AHa.. 1,1eTpa t TO pacc.rOHHHe Me>K.n.y nOnepeqHOH apMaTypoA Ha3HaQaeTCJl no iCHbWeMY JI3 HlJX. 4. npH H33HaqeHHH paccToSlHHH Me1KAY CTep)KHHMI nonepeqHofi ap.. M8J'ypbl paspernaeTCfl He npHHHMaTb BO BHHMaHHe npOAOJlbHble cTep4 -. JRtlll).. He YIJHTb1BaeMble p8C1IeTOM, eCJ1H AHaMeTp 9THX CTep>KHeH He DpeBblwaeT 12 MM It He 6oJ1ee nOJlOBmtbl TOJlU{HHbl 38lItHTHOrO CJ10B (}e70Ha. 96
nonepeqHoA apMaTypbl Ha3HaqaeTCH no H3116o.nbweMY DJfaMeTpy "PO- AOJlbHOA apM3'Typbl B CeqeHHH KOJIOHHbJ. _ 3.71. PaccToHHHH &le>KAY nonepellHoii apMaTypoH Y Ka>K,aoH rpaliH J(OJJOHIlbi ,nOJI)KHbI HaSllallaTbCH: np" Ra.c 4000 KfC/CM¥- He 60Jlee 500 MM II tIe ()oJIee 20d "PH CBapHhlX KapK8cax H.fJH 15 d npH BSlsaHblX; npH Ra.c ==4500 Krc/cM! H Ra.c = 5000 Krc/c 12 -- lie 60.fJee 400 MM II He 60nee 15 d np" CBapHhJX KapK8cax IIJIH 12 d npH BH3aHblX, rD-e d u u It8HMeHbllIHH AH8MeTp C>KaTblX np0l(OnbHblX CTep)I{Hea. B KonOHHax C HaCblllleHHeM npo- )l.O.'IbHOii 8pM8TypOit 60Jlee 3% no- nepe'lH8H apMaTyp3 Aon>KHa YCTa. HaBJIHBaTbCB C warOM He 60nee 10d H fie oO,,'lee 300 ltfM. XOMYTbI B 9TOM cnYlae AO.nH<Hbl npitBapHB8TbCSI K npo ",onbHbIM cTep>KHHM. B CTblKax npOAOJlbtIoii pa60QeH apMaTypbI BHax.rlecTKY 6es cBapKIf Ne3aBHCHMO OT Toro, apMHpyeTcB JIH K0J10HHa CBapHbIMH HnH BSlsaHbIMH K3pl<acaMH, peKoMeHAyeTcB npHMe.. HH"rb XOMYTht. PaCC"fOHHl-ui Me1KAY XOMVT8MH B SOHe CTblKa J10Jl1KHbl 6bITb He 60nee 10 d. 3.Aecb d - AHaMeTp C}KaTblX npO){OJIbHblX cTep>KtIeD pa6oQeO ap4 MaTypbl (!tteiIbwHH). PeKoMeHAyeMble paCCTOBtIHR Me>K.u.y CTep)KIISlMH oonepeqHoA 8p. M81'YPbI KO flOHH npOSeD-eHbl B Ta6ll.25. 3.72. npH KOHCTpyupoBauHH KO" ., nonu C nOnepellHOIi apMaTypoH B BIfAe COMpanH. yqUTblBaeMoA B pac.. 4 C PUC. 1. xeMa apMHpOBaHH.R qeTC KaK I{OCBeHHOe apMHpOBaHHe ., (paCqeT no HAPY CeqeIlHB), 110JI)f(HhI KonoHtI nOnepeQHOH ap taTY'" co6 rtJOAaTbcSl cneAYIOU1He ycnOBIIR pOll B Bu.ne CnHpaJIH (pllC, 74): aJ clIHpa.fJU B nnaHe AOJl>KHhI OblTb l{pyrJIbJMM; .0) paccToHHHSI Me.IK.n.y BItTKaMH CnHp8JIIt B OCSlX .nO.fJ}KHbI ObJTb lIe Mt-Bee 40 MM, He 60JIee 1/5 .AHaMeTpa CeqeHHH fIl1pa KOJIOHHbl t OXBaqeH- IIHfO CnJfpaJIblO, If He 60llee 100 MM; B) CnHpaJIIf .lI-O.'I}KHbI OXBaThlBaTb BCIO pa601JYlo npo,nOJIbHYlO apMa- Typy; r) ,l(H8MeTp H8BHBI{H cnHpa.nH Du ,JJ.OJI>KeH 6LITb He Menee 200 MM. t: t::) 1--. 'JI (::) tI) If::) '1/ "' f::::t tI) JJ R JJ AOnOJlHHTeJlbHble YK8saHltJl no KOHCTPYUPOS8HHIO ABYXBeTBeBblX K0J10HH 3.73. ,QByxaeTBeBble KonOJlHbI peKOMeHAyeTcH KOHCTpYltpOBa#rb C p cnopKaMH. P8CCTOHHMH Me>KAY OCSlMH pacnopoK lIe .AOJUKHbI npeB!JI.- WSPfh (8-12)h B , rAe It D - MellbwHii 'p83Mep nOnepeIJHOrO Ce1JeHHH BeTSR. 7-661 91
PeKOMeH,nyeTcSI npHHH aTb o,nHHal{OBbJe paCCTORHIUI Me>K,ny OCSlMH pac. nopOK. npH HeOUXO HMOCTU YCTpOMCTBa npoxo,na B ypOBHe nona paCCTOSl- IIHe OT 'IUCTOrO nOJIa .no HH3a nepBoii Ha,n::JeMHOH pacnopKH ,nOlUKHO 6bJTb He MeHee 1,8 M. I-fa HH>KHeM KOHue J1ByxB'eT- BeBofr I<O..'lOHHbI pacnopKY peKo- MeH,lJ.yeTcH YCTpauBa-cb HH.>Ke ypOBHR nona. npH Ha3Ha1JeHHH npHBSl31{H 9TOM pacnopKU tleo6.. XOAUMO yq"T BaTb y 'OBHB YHH<}>IIKau:U" <}>OPM, TpaHcnop-CH- pOBKH " MOHT8>Ka KO..TIOtlH. Pe- I{OMeH,nyeTcSI IIU>KHHe rpaHU pac- nopKU H BeTBe" COBMemaTb. BblCO"fY CeqeHHH pacnopKH pel{OMeHJ1yeTcR npHHHMaTb paB- HOH: a) pSIJI.OBOM - (1-2)h n ; 6) BepXtIeM (B MeCTe nepe- xOJJ.a C JJ.BYX BeTBeH Ha OAHY) - tIe MeHee y,nBoeHHOM BbiCOTb( ce- 'IeHUR pRnOBOH pacnopKH; B) tlH}I{He.ff (pacnonaraeMOH B npe.ne..TIax CTaK8Ha <}>YH.L1.aMeH- Ta) - He MeHee 200 MM. IIInpMHY Ce'leHHB pacnopOK " cne.u.yeT npHHMM8Tb paBHon Illn.. pUHe BeTBH. 3.74. npO.l1onbHaH apMaTypa pacnopoK, ecJIH o6e BeTBH Ko- JlOHHbl C>K8Tbl, npHHMMaeTcH CMM- MeTpH'IHoH. ECJIH no pac1JeTY o,n- -- Ha HS BefDeH pacTHHyra, apMu- !,oB8HHe npHHHMaeTcH HecHMMeT- pH'IIIblM. npO.ll.MbHble C"fep>KHn pacnopoK JJ.OJI>KHbI 6b1Tb saaHKe- peHbI B 6eTOHe Be-caeA' B COOTBeT- CTBHM C nn. 2.40 HnH 2.41 Hac-co- HllIaerO PYKOBo.n.CTBa. ,l{onYCKBer- CSI aHKepODKY Bb1nOlJtIJlTb no pHC. 26. 3.75. B ysnax COnpH>KeHHH ., pH,lI.OBOM pacnopKH C BeTBHMH (pHC. 75) J)e}J.yeT YCTaH<tMH- BaTb ,lI.OnOnHMTenbHYlo apM8TYPY B BH,ne CB8pHblX ceTOK H.lJH XOMY" TOB B CO'le1 atl"H C KOpOTKMMH Bep-cHKa..TIbHblMH CTep>KHHMH'. Ctvr... KH YCTaHaBnnB3JOTcH B nJIOCKO:' C-CHX nonepetJHoH Bep"fHKanLHoH apMa-rypbl KapKaca pacnopKH. nOnepe'lHble c.cep>KIIH KapKa- -- COB BeTBeH B npeD.e.n8:X p cnopKH ,nOJI>KHbI coxpaHHTbCfl. EcnH OHH a) Lan t J! 1-1 J 2 oj f lQH i II .& ;c-2 If A'f I V / / ..:> :;..- ,. -A lr ' _v - 1 21- J:? '2 lj 2 2 R 6 PHC. 75. KOHCTpYHpOBaHHe conpH- >KeHHH npOMe}l{YTOtJHOH pacnopKH C Be-rBbIO ,JJ.B YXBeTBeBOH I{O.lJOHHbI a - apMHpOB8Hlle cnapHblMH Kapn8c8MII; 6 -- TO )J{e, DB3aHott apM8TypoA; 1 - ap- M8Typa paCnOpl<H; 2 - apM8Typa BeTBH; 3 - AOnOJIIUITeJIbllble CDapHbJe CeTI<lt; 4- ,nODOJIIJHTeJJhHble XOMYThl; 5 - .nonOJIHH- reJlbin e nonepe'JJlble CTep>KHH (wnHnbKH) 98
McwalOT YCT8HOBKe apMa-rypbl p8CnOpKH, HX CJleAYeT BbIpe3aTh H SaTeM SaMeHBTb wnH.'1bKaMM. 3.76. BepxHSlH pacnopl<a apMHpyercH (pMC. 76) p36o leA npoJJ.onhHoA: apM8TypOH, pacnOnaI'aeMOH no BepxHeA U HH>KHeA rp3HRM pacnopKH, a TaK>Ke oTfM6aMH, ropH30H.ca.lJbHOH M BepTHI<a.lJbHOH nonepeqHoA apMaTY" pOH (cTep}l{HH H,,'lM XOMYTbI). 1 J A / ., 6 A "A .. .. - " .I "- I. / 1 , , , / ! .. , /. ; 'II / "'II ""...10 .....- / I , If " ..t: .1\ '" ./ : I t. a / " . 11 / W / "- 'I 6 'V 6 , 5 / 2 · 1 -: . . . j r C2 PRC. 76. KOHCTpYUpoB8HHe COnpSl}KeHIUI BepxHeH pacnopKH C oeTBLIO Kp8HOBOH ByxBe-rBeBoH KO OHH cpeJJ.Hero pSlJJ.a I - apM8Typa HaJl.Kp8HoBOA seTBH; 2 - 8pM8Typ8 nOAKp8HOBOA BeTBH: 3 - DepT.. KallbH8H apN8Typa p8cnopKH (war He 60Jlee 200 MM); 4 - ropl1301lTa.nbHast apMa" TYpa p8cnopKH; 5 - oTI"n6bl pacnopKH; 6 - OTflt()bl nOKpaHoBoA KOJICOJIIf; 1 - CeT. KII KocBeHHoA apM8TYPbl IHar ropH30HTBJlbflbIX nOnepeqHblX CTepJK eH H.lJH XOMYTOB B Bepx- ileA pacnopl<e CJie yeT fTpMHHMa-rb He 6oJ1ee 150 MM H He 60nee 1/. ee BbI COTIIl, 8 war BepTHK8.lJbHblX CTep}KHei.t H.'111 XOMYTOB - He 60.lJee 200 MM. CYMM8PH3H n.lJow.a.Ab ropH30HT8JIbHblX XOMY'COB ,nO.lJ>KHa 6b1Tb He Mellee O,OOIl1h o , rAe ho - pa60tJaSl BbICOT8 CeQeHHlI p8cnopKH, a b - WHpuua CetleHHB p8cnopKH. O-rfH6b1 B pacnopl<e ,lI.O.lJ>KHbI nepeceKaTb HH>KHIOIO nOJlOBHHY H3KJIOHHOH nHHHH AB, HAyw.eii OT yrJla npHMblI<aHHSI Ha,aKonOH- HHK8 K BHYTpeHHeMY yrJIY npMMblK8HRSI Be-rBH. CeqeHMe OTfH6oB, ne e.. CeK81OIl.tlX HH}KHIOIO nonOBMHY JIHHHH, llO.lJ>KtlO 6b1Tb He MeHee O,002bho. O"frH6 MorYT He npeJJ.YCMaTpHBa-rbCSJ) eCJIR OHR He HY>KHbI no pacqe'ry.. 3.77. npH YCTpoHcTBe npoeMa B HaJJ.KpaHoBoH Q8CTH KonOHHN ero u neAyeT OK8HMnSl"fb cBepxy H CHH3Y ropH30H-r8.lJbHbIMH CTep1KHHMH, nno.. w..aAb CeqeHHSI KO"fOpbIX onpeJJ.eJIReTCSI paCqeToM. ,QHaMeTp 3THX CTepJK- H A AO..'1)KeH OhlTb He MeHee 16 MM. KOHCOJ1H KOJlOHH 3.78. KQHCOJJH B KonOHHax YCTpaHB810T C nenblO C03A8HHR Heo6xo- It ARMon n.1J01l(a.AKH AJISI onHpaHHSI pa3JIUQHblX npHMbIK810ntHX K KOJlOHHe 7. 9t
Ha pa3HblX ypOBHSlX KOHCTPYKIU-di «(j>epM, nOAKpallOBblX 6aJIol{, pHrCJIeM, npOiOHOB II np.). ' 1(0HconH MOrYT OblTb O,llHOCTOpOtIHHe R ABYCTOpOtlHlie. nOCJIe.Aliue C 'Ie,l(yeT YCTpaHBaTb B O,l(HOH n.rJOCKOCTH, oc06eHHO B C60PHbIX KonOHHUX. B CJlYlIae eCJIU I{OHCOJIH tJa K0J10HHe HeooXOAHMO paCnOnO>KHTb B nepneH- l1RKYJlSJpHb I X nJlOCI{OCT}IX H fJH ecJlH KOHCOJ1b HY>KHa AnJl onHpaHHH 9,,1e.. MeHTQB) nepe,l(alOlI.JJ!X HeOOJJbmylO MeCTHYIO Hal'pYSKY (OT pa60 t lIlX n4l10- oJ b) r--- I I I a lH "50 PHC. 77. KopoTKHe KOHCMH KonOHHbI IJ - npJlMoyroJlhH8J1 KOIICOJlb; 6 - KOHCOJJb C BYTOM 1l8J1.0K, JleCTHHl1 H 'f. n.), TO TaKtie I{OHCOJIH peKOMeH.nYeTCfl KOHCTPYU- pOBaTb B BHD.e CTaJ1bHbIX CTonUKOB, npeJl.YCMaTpRBaB 8 KOJIOl1tJe COOT- neTCTByJOlltHe aaKJIaJl.Hble J1.eTanH AnSI HX KpenJleHHSI.. npn BblJleTe 100-150 MM KOHconb MO)KeT He HMeTb BYTa H KOHCT- PYHpOBaTbCJI npJlMoyronbHoH (pHC. 77, a). npH BblneTe (joJIee 150 MM kOHCOJIb AOJI>KHa HMerb BYT C yrnoM HaKJlOHa a npHHHMaeMbJAt, KaK np8BHJ10, BeJlHlIHHOH 45° (pHC. 77,6). IlInpHHa KOHconH ,lI.OJ1>KHa ObITb paBHon WHplUfe K0J10HflbI. HCI{.rllO- 1Jcooe MorYT COCTaBJlflTb KOHCOJ1U, YCTpaHBaeMbie B WlfpOKHX nO,!KonOH- HHKax ,nJtB ODHpaHHSI cjJYH.naMeHTtJbIX 6a fJOK. 8blCOTa KOHCO TJH " ee ap.. MaTypa Ha3HaQaJOTCB no paC'IeTY. ROHconH apMHpYIOTCB nOnepeqHOM H npo.n.OJ1bHOA apMaTypoit 3.79. nOnepeqHaH apMa-rypa KOpOTKHX KOHCOJlen npH cBapHblx H 811- saHblX KapKacax ROJIOHH KOHCTpYHpyeTcfI CJ1eJl.YIOIUHM 06pa30M (puc. 78): npH h 2,5a - B BH,ne HaKJlOHHblX XOMYTOB no Bceii BblCOTe Ion.. conH (puc. 78, a); npH h>2,5a - B BHD.e OTorHYTblx c-rep>KHeH It ropHsoHTa fJbBblX xOMy-rOB no Bcen BblCOTe ({OHCOnR (pRC. 78, 6) ; npH h>3,5a H Q Rpbho- B BH,ne rOpR30t1TaJ1bHblX XOMYTOB 6e3 ... 010rHYTblX crep>KHeH, KOTopble B 3TOM cnyqae ,nonYCKaercSi. He npeJIY- CMaTpHBa-rb; SJl.eCb ho npHHUMaeTCJI B onopHoM CeqeHHH KOHCOJ1eH. 80 BCex cnyqafIX mar XOMYTOB 1l0n>KeH 6blTb He (jonee h/4 H He 60- nee 150 MM; .lJ.HaMeTp OTortJYTblX c-rep>KHeii J1.0n)KeH (jblTb He 60nee 1/15 ,nJJHHbI OTfH(ja 'OTr H He oOJlee 25 MM. npH 9TOM CYMMapHaH nnOll{aJl.b ce- lJeHHB HaKnOHHblX XOMYTOB (CM. pRC. 78, a) H OTorHYTblx CTep>KHeii (CM. 100
puc. 78,6), nepeceKalolllHx BepXHIOIO no,fIOBIlHY JUII-IHII .nJUIUOH I, COe,iJ.H- t!SIlOllleA TOIJKH OpHJIo>KetJHB CHnbl Q II cOnp1l>KeHHS1 IIU}KHeH rpauli KOH" conH c rpaHblO KO.7JOHHbI, .nOJI>KHa 6b1Tb He MeHee O,OO2bh o . nOnepeqHYro apMaTYPY KOHconeA pel<oMeu,llyeTcR KoncTpyHpoBaTh B BH e CsapHblX ceTOK C H3KJlOHHbIMH UJIH roplt30H'f3JlbHblMlt nonepetJuhI" YH CTep)KHHMlI, ecJJH 'IRCJlO 0 IfU3KOBbIX I(Oflco.'lei-i .aOC'faTOllttO BeJlHKO H apM !iypa KOJIOHH cBapHaSl. 8) I r 5 I.J PUC. 78. CxeMB apMllpOBanltR KOpOTKHX KOHCOJlen a - H8KJlOHHL1MD XOMYT8MIt; 6 - OTO. rlfYTLlMH cTep>KHSlMIt H rOpH301lT811h" IlblMH xOMYTaMlf; II - ropH30UT8JIbllbi. MH XOMYTaMH; 1 - 1<8pKaC KO.nOHHbI; 2 - l1PoAOJILliaH pa6o'Jaft apM8Typa KOlfCOJlH: 3 - n8KJIOnHLfe XOMYTbI; 4-- ol'rH6L1; 5.... ropH30uT8.lJbUble XOMYTbI 3.80. OTrll6bI B KOp01'IUJX lonconBX peKOMeHD.yeTcR n3npaa,1BTb "3 HH>KHerO yr Jla KOHco.,rreH 0 npOTHBOnOJl01KHblii BepXHHI1 yrOJI. npH 60nb- IIJOM BblJleTe IiJlH npH 60JlblllOii BbICOTe KOllCOnll ,nOnYCKae'fCB Ae.,'laTb 01TH6bJ COOTBeTCTBeHHO nOJ( yrJloM 30 HJlH 60° HnH p33Mew.3Tb oTru(5.bI B ,l1BYX DJlOCKOCTHX, pacnOJlaraH l(a)K,nYIO nJlOCKOCTb no.n yrnoM 45°. npH OOnbllIOM QHCJle npHMblx H oTorHYTbIx CTep)KHeH BepxlIHe H I-!HJKHHe yqaCTKH OTrHcaeMblX C"fep>KHeH ,lJ.onYCKaeTCSI pa3MeIll-aTb BO BTO'" pOM pSlJJ.Y. 3.81. KOHUbi npo,u.OJlbilOH apMaTypbl pacTHH}'"fOH 30Jlbl O)J.HOCTOpOU" ileA KOHCOJIU. pacnOnO}KeHHOH B npe.u.eJl3X BblCOTbI KOJIOtJHbI. .l(OJl>KHbI 6b1Th 3aBe,neHbl sa rpaHb K0J10HllbI H8 Be,TIHtIHHY lalh npuHHMaeMYro no n. 2.40 I-IBCTOBlllero PYJ{OBo,nC"fBa. H B Jl1060M cJlYtIae .nOJl>KUbl (5blTb )10- 13e,neHb1 )10 npoTIfBOnOJlO>KItOH rpa HH KOJlOHtJbI (pMC. 79). Y cBo60JJ.Horo KOHna KOHCOJIH TaK>Ke He06xo.nHMO npeAycMa'rpHBaTb aHKepoBKY npOAOJlbHOH apMaTypbI n cJJyqaSlx. eCJlJI paccToSlHHe la OT neHTpa npn.7JO>KeHHSI rpysa Q o KpaJl npSlMoro CTep>KIISI MeHbW.e: 15d - npH 6eTOHe npoeKTHoii MapKH HlUKe M300; 10d - np" 6eTOHe npoeKTHoH MapKU M300 H BbIwe. AHKepoBKY SJJ.eCb BbIn<H1HBIOT npHBapKoH walic lIJUI yroJlKoB K 9'fQH apM8Type no pRC. 79, 8. z. KOHCTpYKJ.(HSI aHKepOB JJ.0J]}KH8 y,nOBn 'rBopHTL 1'pe60B8HHSlM n. 2.41, 6 HaC1'O.Rl11ero PYKoBo,nCTBa. nOC"f8HOBKa 8HKepoB to 1
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3.84. llpH Heo6xoJ1HMOCTH no paCqeTY DO,n onopHhIMH S8KJIa HIJIMH AeT8nHMH nO Kp8HOBOH KOHCOn" cne yeT npeAycM8TPUB8Tb ceTKH KOC- BeHHoro apMHpoBaHuSI, KOTopble AOJUKHbI KOHCTPYHPOB8TbCH cornaCHO D. 3.53 HaCTO.flmerO PYKOBo,ncTBa. Oco6eHHOCTH KOHCTpyupOBaHHH KonOHH COOpHblX >KeJ1e300eTOHHblx KapKaCOB 3.85. KonOHHbI C60PHbIX KapK8coB cJ1eJ1yer KOHCTPY"POB8Tb JlJlHHOA, o6eCneQHn81OI11eH y,nOOCTBO H3rOT08J)eHHH, TpaHcnopTHpoBKH H MOHTa.. JK8. B cnyqae Heooxo BMOCTH KOHC.rpY"POB8HHSI BblCOKHX KonOHH npH a) 0) 1 2 1 J 1-1 2-2 1 1 1 " PRC. 81. )KecTKHii CTIJIK c6opl-lblx I<OJIOHH C BaHHoA cBapKoH 8pM3T}'P" HblX BbInYCKOB (J - BINI qeThlpex yrnoBblx 8pMaTypHhlx BhlnYCK8X; 6 - npH apU8TYPHblX Bbla,c.. Kax, p.acnOnO>KeHHhlX 110 l1epHMeTPY CeqeHHH; I - apM8TypHbie BblnYCKU; 2 - 6e1'QlC aaMOHOJIUQHB8HBJI B nop,pesK8x; 3 -l.enTpHpYIO 8ft npOKJl8AKa; 4 - ceTKH KOC" BeHHoro apMupOBaUHft; 5 - BaHllaH cBapK8 OTCYTCTBHH COOTBeTCTBYloU{ero nO DeMHO-Tp8HcnopTHorO o6opYAOBaHH AOnYCKaeTCSI BblDOJ1HS1Tb ox H3 ABYX 3 lJeMeHTOB C MOHTaJKHhIM CTblKOM. 3.86. )l(ecTKHe CTblKH C60PHblX KOJJOHH peKoMeHJ1YeTCH BblnOJIHJlTb IIYTeM BaHHO" CBapKH BblnycKoB npoAonbHoA apM8TypbI, pacnOnOJKeHHblK B cneu.uanbHblX n0J1pe3KaX C nOCJleJJ-YIOI11RM 38MOHOJltlqHB8HHeM 9TUX nOApe30K. B TaKHX CTblKax Me>K,n:y TOpnaMH cThll<yeMblx KonOHH .nOJUKH8 ... npe,aYCM8TpHBaTbCH neHTpupYIolllaJl npOKJI8.llKa B BHJ1e C"faJlbHOH DJla.. C1HHKH, aa811KepeHHoH B 6e"fOHe UJIB npHBapeHHoA Ita MOHTa>Ke K p8cnpe- AenHTenblloMY .nHCTY aaKJla,AHOii .neTaJ1H (pRC. 81). P8sMepbl u.eHTpll- 103
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qaRX KOr a nOnepeqHaR apM3Typa Tpe6yercR no pacqery nH O no KOH- CTPYKTHBHhlM C006pa>KeflIUIM, YK83aHHblM B n. 3.105 HaCTOHIl{erO PYKO. Bo,nCTBa, On1KHbI 6mb lIe MeHee TpeC5yeMbIx paCqeTOM H npHHHMaTbCR (CM. pDC. 90): a) lIa npDonopHblx yqaCTKaX (p8BHbIX npH paBHoMepHoH HarpysKe II" nponera, a npH COCpe.llOTOqeHHhIX H8rpY3Kax - paccToRHHIO OT onopbI o 6nHlKaiiwero rpY3a, HO He Mellee 1/. nponeTa): JOO h '1.;50 , fllit u t t U t U 3 Ion Lon 150 l1tl:fl2h j 500 uz 'JII./h h> 1/50 .. -A_ v li 2 U, r-rt , > Ion "I 500 u 'JllJh A' Y 3 u, ill ton 500 u," f/Jh J 2 PHC. 90. PaCIlOn01KeHHe uOnepeIJHOH apMaTYpbl B 6anKax, He HMeIOIl{HK OTrH60B npH BbiCOTe cetJeHHR h 450 MM - fie C50nee h/ 2 H He oonee 150 MM; npH BbiCOTe Ce'leHIfR h>450 MM - He 60nee his H He oonee 500 MM; 6) Ha OCTaJIbHOA tJaCTH npOJJeTa npH BbiCOTe CeqeHHR h > 300 MM- He oonee 8/. h H He oOJlee 500 MM. 3.108. PacCTosulHB Me1KJty nonepetJHbllIH CTep>KHHMH (xoMYTaMH) B aJlKaX co C>K8TOA npO OJ1bHOA apMaTypoA, YIJHTblBaeMoii B pacqeTe, AOJUKliO npuHHM8TbCH no T86..1J. 25 HacToSiwero PYKOBO CTB8. 3.109. B BB3aHbIX KapKacax cpe,nHHx 68J10K MOHOnHTHbJX peopHcTblX nepeKpblTHH. B TOM qHCne MHoronponeTHblX Hepa3pesHbIX. MOHonHTHO CBHS8HHblX nOBepxy nnHTOH no BceH .llnHHe npH speMeHHblX HarpY3Kax Ha nepeKpbITHe 3 Tc/M 2 H MeHbwe peKoMeH,nyercR CT8BHTb OTKpblTbie xo- MYTbI. 3aKpblThie XOMYTbI CTaBflTCR B OT,nenbHbIX (He CBH3aHHblX MOllO.. J!ItTHO C DJlHToA) oanKax npRMoyronbHoro HJIB TaBpOBoro CeqeHHfI. B KpaAHUX 6aJlKaX MOHonHTHblX peopHCThlX nepeKpblTHH, B C5anKax c pac.. qeTHOA c1KaToA apMaTYPoA, a TaK1Ke B cpe HHX 6anK8X MOUMHTHbiX pe6.. pHC'ThIX nepeKphlTHit, paCCQHT8HlibiX Ha BpeMeHHYJO H8rpY3KY oonee 3 Tc/M 2 . npH STOM S8KpUTbJe ;XOMYTbI peKOMeH.ll.yeTCR nepeBSl3b1BaTb Bpas.. OOJKKY, 'lToC5b1 CTblKH CMeJKHblX XOMyrOB He IlpHXOAunHCb Ha OAHOM CTep1KHe. 8. 115
3.IIV. 8 C5a..1K x C BH38lfOH 8PM8TypOH, paCCQHT8HHblX H8 KpyqeHlfe, CJleJ1yeT CT8BH'fb 38MKHYTbIe XOMYTbl C nepenycKoM HX KOH OB lIa 30d, a npH cBapHblx KapKacax aepTHI<anbHble H ropH30HTaJIbHble nOnepe'dHble CTep)KHH On1Kllbl 6b1Tb npHo8peHbI B COOTBeTCTBHH C n. 2;34a HaCTOHIl{e.. TO PYKOBOACTBa. 3. t 11. COe.ll.lllleulul npo.nOJJbHblX H nOnepeIJHblX CTep}KHeH B CBSpUblX C TK8X 6anoK .nOJUKHbI o6ecneQUB8Tb aHKepoBKY nOnepeIJHOH apMaTypbJ, .)I,..PIH qero cBapHble COe.lUIHeHHH ltOn1KHhI 6b1Tb p8BHOnpOqHbIMH. B BH38HblX KapKac8x XOMYTbJ .nOJ)1KHbI KOHCTPYlfPOB8TbCSI TaKHM 06.. pS30M, qTo6b1 B MeCTax HX neperH68, S T8K>Ke 3arHos Ko eBbIX KplOKOB (npu OTCYTCTBIIH nepenycKa KOHl!OO) 06H38TMbHO p8cnonar8nncb npo- AOJlblIble cTep>KHH. PeK01tellltyeTCJI, 1{ToObi KlUKltbIit XOMYT OXB8TblBan B O;tfIOM pHltY fie 60nee nHTII paCTHHYTbIX CTep)KHeM H He 60nee Tpex C)I{8TblX. npH 60Jlb'" weM Qflc.ne CTep1KHeH B O.nHOM PJIJl.Y, 8 TalOKe npH WHpHHe 6SJlKH 350 MM Ii 60JIee peKOMeH.lI.yeTcH nepeXOAHTb H8 QeTbipeXcpe3Hble IfJIH Mlforocp 3" llble XOMYTbl. npHMcHHeMbie ,nnH OSJJOK C BJl3aHOH apM8TypOH KOHCTPYKIUIIf XOMY- TOB nO({S38Hbl H8 pHC. 1 n 85. npH 9TOM IUHpHH8 lIeTbIpeXCpe3Horo xo.. MYTa B S8BHCHMOCTH OT KOnnIJeCTB8 CTep>KHefl B OJl.HOM PH Y 6aJJKH- H " KonUllCCTB3 CTep>KHeH MelK.ny BHYTpeHHHMH BeTBHMH XOMYTOB onpe,ne. J1H€TCJI no Ta6.'J. 29. Ta6JIult8 29 3118'1eHHe b x , MM. QeTbipeXcpe3HblX XOM}'TOB npH KOJJII'JeCTBe npOAOJlbHhlX cTep1KueA B OAHOM PSiAY 6aJlKII 5 6 7 8 9 JO llinpHH8 fSa..'I1Ut b t aiM npH KOJl;.ttJeCTBe npoAOJ1.HblX CTep>KRcA Me)K y BHYTpeHHifNH BeTBJlMH XOMYTOB I 3 2 3 4 3 4 350 230 190 205 220 400 270 225 240 255 225 240 450 250 270 295 255 270 500 - 310 330 290 280 3.112. npH MouonHTHbiX KOUcrPYKD-HJ1X B Tonw.e OOop B MecT8X ne.. peceIJeHlIJi 6anKH C KO.1JOHHOH HnH C nporoHoM nonepequylO 8PM8TYPY (janKH CT8BHTb He CJleJJ.yeT. B T8KUX KOHCTPYKD-HflX nepobIft XOAIYT linu nonepeqllblH c'rep>KeHb cne.nyeT CTaBHTb B npO",1eTe Ha paccToHHHe 50 f.fM OT rpaHH onopbl. . npH onHpaHHH MOHonHTHbiX 6anOK H8 KflpnMIJHyro KJI8 KY na Kpau.. - HeR onope nepBblH XOMYT HnH nOnepeqHblH CTep>KeHb CT8BHTCJI Y TOpna 68nKII C Heo6xoJtflMbiM saWHTHblM CJlOeM t 8 B npe.nenax Cpe.nHHX onop yCTSHOBK8 XOM}'TOB npOAOn>K8eTCH C 1II8rOM t npHHHTbIM .nnJl npOJJeTa 6anKH. B C60pHblX 68nKax paCCTaHOBKY nOnepe'lHOH apM8Typbl cne.nyeT Ha- IIHU8Tb OT TOpn8 9neMeHT8 C YQeTOM SallHTHbIX cnoeB 6eToH8. 3.113. OTOrHYTble CTep>KHH cJle.nyeT npHMeluITb B 68JlK8X, apMupo" BSUHblX BHS8HblMH KapKacaMH, eCJlH no paCqeTY Tpe6yercB nonepeQlfaH 116
apMaT)'pa. npUMeHHTb OTOrHYTbIe CTep>f<JlU B CBapHbfK KapKacax He pe- KOMeH,nyeTCH. .lI.JlHHa nplfonopHoro yqacrKa 6aJJKII, ua KOTOpOM pa3Mem a lO TCH OTrH6b1, Ha3HaqaeTCH paC'leTOf.f. PS,D.lfYC AyrH, no KOTOpOH OTflfC5aeTCfl HaK.llOIIHbIH YIJaCTOK CTepiK. 11ft, ,nOJl1KeH 6b1Tb He Menee 10d. Yeon HaKnona OTrHoa K npo,nOJIbHOH OCM 6anKU t KaK npaBUJIO, CJIt'- AyeT nplfHIlM8Tb paBHblM 45°. B 6aJIKaX C BblCOTOH CeqellHR oOJlee 800 MM 11 B oanKaX-CTeHKax yrOJI naMOHa 01THOOB AonYCKaeTCH YBeJlHqHBaTb JJ.O 600, a B HIlSKHX oanl<ax H B 6anKax, pacc'Iu'ra HHbIX Ha cocpeAoTolleHllblta HarpysKH, - YMeHbwaTb ,no 30°. 3.114. HaKJloHHYIO apMaTYPY Ilpe,nnO'lTUTeJlbHO 06pa30Bb1B8Tb, OT(,I1- 6aH 118 onopbI HH1KHIOIO npOJIeTHYIO apMaTYPY, KOTopaH B Hepa3pe3HLtX 6anK8X nepCBo.nHTCH 3aTeM qepe3 onopy B coce,nnHH IlpOneT (CM. pHC. 87). Ecnn B031UIKaeT He06x0.nIfMocTb yeeJIlJlJHTb lIa npOMe>KYTOCIHoii ono- pc IJHCnO Hal(.llOHHblX cTep>KlIeii cBepx Toro KOJIH'lecTBa) KOl'OpOe MOil<110 nonYIlHTb 3a ctJer OTfH68HHH CTep1KlIeA 113 CMe1KllbiX npo;neTOB. TO natl. 3ToA onopofi CJ1e.llyeT YCTaHaBJIHBaTb KopOTKue CTep>KHH C .lI.BYMSI lIa- KJIOHHblMH yqaCTKaMH (crep)l(eHb d K Ha pHC. 87) H C ABYMJI ropHsouTBJlb- liblMH yqaCTKaMH BHH3Y .nnR 06ecnetJeHHJI aHKepOHKII. npHMefleHHe I{OPOTI(HX CTep1KHeH C O,ltHIfM HaKJIOHHblM yqaCTKO 1 II He CBH3aHHblX C 06w.eH apMaTypoA TaK Ha3b1BaeMblX nol'l8BalOU(HX C'fep>K- HeA. a T8K>Ke Crep1KUeH co CJI01KHOH KOH4>Hr}'pallueH, HMelOlJ.{Hx 60JJl'C J(BYX HaKnOHfJblX yq CTI(OBt He .n.onYCKaeTCH. 3.115. B oanKax C WHPIUiOA Ce'lefJHH 200 MM H 1el1ee paspewa- eTCR oTfH6aTb B Ka>K.ltoH nnOCKOCTH no OAHOMY CTep iK 1110. B C5anKax C U1HpHHOii CeqeHHH 300-400 fM cne.nyeT oTru6aTb B nepBoH OT OnOpbJ nnOCKOCTH He MeHee ,nBYX CTepiKfJei1, a B nocneJJ.YIOll(HX ,ltOnYCKaeTCH OTrH6aTb no O.llHOMY CTep1KHIO. B 6aJJI<ax C 1UJlpHHOH Ce'leIlHH 60nee 400 MM oTrHoaTb l\eHee .nBYX cTep>I<Hefr B Ka}I{]lOH nnOCKOCTII He ,nony- CIaeTCSI. Ecnlf J1,lJaMCTpbI OTfu6aeMblX CTep}K Heii p33J1b1t', TO OTrH6bl 60nbWUX ,nHaMeTpOB c.ne.nYeT pacnOJIaraTb 6nlDKe K onope. OTfn6bI CTep>KHeH peKOMeH.lI.yeTcSI pacnO",1araTb CUMMeTpnQHO OTHO- CHTMbHO sepTHKaJJbHOH OCH CeqeHHH 6anKIl. EcnH B CeqCHIHt 01TH6aeTCH O}l.HH CTep}Ke Ib, pacnOJ1araTb efO c.,1e,uyeT no OC" CHMM TpHII CelJeJlIIH unH B03MOil{1I0--6nlf>KC 1< HeM. OTrH6aTh CTep}I{UJI. paCnOJlOJKCHHble lIe- nocpe,uc'CBeHHo Y 60KOBbtX nooepXHOCTeii 6aJIKI1, He peKOMeH,lJ.yeTcfl, pac- nOJlaraTb If X CJ1e1(YeT ua paCCTOHlllUl He MeHee 2d OT 601<OBbIX fpaHcij 6a.JJI H (J> IIC. 91). :3.116. PaccToSlHHH Me>KJlY Hat,Jl0HHblMU Y{lacTI<aMH CTep)l(tlei1 no .ll.nHHe 6a.n1<H H33fJaqalOTCH paCqeToM. ECRu B paCqeTe lie }l.alOTCH YKa38- IlIISI 0 paCII0J10:if{eHJlH n.noCI{OCTeH oTrn6oB, TO paCCTOHHI!SI Me}f{.ny HIIMU flJ>I'IHHMafOTCfl no pllC. 87. 3.117. CTep>KHH nepl:lOM OT onopbl nJIOCI{OCTH OTfn60B lIe yqllTbJOa- IOTCH paCtteToM B COCTaBe Ha,n0I10pHOM IlpO,nOJJbIlOM apM8Typbl. CeQeHl1- eM, C l'OTOpOfO nOJIIiOCTbIO BKnlO'laeTC B pa60TY Ha OIlOpHblii H3fHoa- IOlU.lfH MOMenT BepXHHH npSlMOH yqaCTOK OTOfH}'TOfO Crep>KHH Ka)l(,ltOH ho nJ10CKOCTI1, C{U1TaeTCSI CeqeHUe H8 paCCTOHIiHU ;?; -OT BepXHeH TOl!KH 2 Hc:H(nOHIfOro yqaCTKa 3TOfO cTep>KHH B C'fOPOHY onopbl. AHanOrnquo liH>KIlHH npsu foii Yt!acToK oTrHC5aeMofo CTep>I{HSI nOJlIIOCTblO UCKnIOqaeTCH lf3 pa60Tbi Ha npo..1IeTllbfH H3fH6aTOWHM MOMenT B CeQenHII fIa paCCTOftll1iH 117
nJ) ., ., >. 2 OT HH}J{HeH TOqKH HaKJIOIlHOrO YQaCTK8 B CTOPOHY npOJIeTa (S.necb ho - paCqeTHaH BblCOTa CeqeUHSI 08JIKH, nplfOJ1H3HTeJIbHO paBII8H O.9 - 0:95 BblCO'fbl Ce'leHHSI 08JII{II). 3.118. CTep}l{HIt, OTrllOaeMbIe 03 npC1JIeT8 B nepBOH H BTOpOH nno.. CI{OCTHX OT npOMe}l{YTO':lHOM onopLI, Cne,lI.yeT OOH38TeJIbHO 38BO,lU1Tb B CMe}KHbIH nponeT, 8 OTfl108eMbie B TpeTbeit H [!ocne Ylow.HX nJ10CKOCTflX c{ JD'" 1./5° 60 0 1,5d tl D,5d L... .. .z:::. t f } Omtu6bl "t;:j- "f::j'" ... :::s t:j t:::) "T;j- e;: Omtu5amb He jJel<oMcHD!lemcR Omeu6bl u.nu yml<u PexoMeHo!jemcfI omzu6amb Cmb.8umb gmHu u omozHllmble Cmep HlI. He peHoMeHiJycmcR Fnc. 91. I(OJ-JCTPYHpoB3HHe oTorHYTbIx CTep.>KHeH p83pernaeTCH B cJJyqae OTCYTCTBHSI B IlHX Ha.nooHoCTH B pa60Te Ha onop- HbJH M3rIl03IOIUO" MOMeHT HJIM np" TpY.lJ;HOC1'SlX pa3MelleHHSI HX B HaA- onopHoM CeqeHHH 06Pb1B8Tb B npoJIeTe BBepxy (CM. pUC. 87). . 3.119. BepXHHe KOHIJ.bl OTOI"HYTbIX CTep>KHeH, KOTopble lie nepeBOJlHT- CH 'lepea onopy B cMeLKHbIH npoJIeT, .lJ;On>KHbI 38K8utJIIBaTbCB npSIMbIMu tjacTK8MH nHHOH He MeHee 0,81 all , npUHHMaeMOA COrJJaCHO YKaSaHHHM D. 2.40 H8CTOHllerO PYKOBo.nCTBa, HO He MeHee 20d B paCTJIHYTOH H IOd B C>K8TOH 30ne. OOpblB8 oTorHYToro CTep1KHH B pacTHHYTOif 30He (BHH" ay) cne.nyeT H36eraTb. B 6a.nKax BbiCOTOH oonee OA})Oro MeTpa OTorHY- TNH CTep}l{eHb H3 -rJ18,lI.KOH 8PM8TypbI MOJKeT S8KatlIJHB8TbCJI B C>K8TOA 30He TOJIbKO KplOKOM oe3 npSIMoro YQ8CTKa (CM. pHC. 91), a crepX{IIH nepUO,lI.HtJeCKoro npo$UJlH .nO.r'lLKHbI Bcer.o.8 HMeTb npflMoH yq8CTOl{.. 3.120. BepTIIKa411bHble npoeKIlHH hoTr.i MM, H8KJIOHHblX Y'laCTKOB OT" ru6aeMblx CTep>KHeA B 3aBHCHIvtOCTH OT BbiCOTbI CeqeHIIH 6aJlKH h(j R Be- JlHtIllHbI 3aWlfTHoro CJIOfl 6eToHa at) BblqllCnfllOTCJI no cneAYI01J.(HM <f>op... "')tJ18AI; I- hOT,.1 = h(j - at) - a(j; , h OTr2 = ht) -- a(j - at) - - 20; , h OTr3 = ho - at) - a o - d 1 -20; (20) (21) (22) 118
, h fwTf4 = 116 - a6 - a6 -d 1 - d). - 40. (23) , npll 3TOM: a6=ao - ,lI.nH BTOpOCTeneHHblX 6anOK; a6 =a6+20 MM- .nnH rnaBHblX 6anOK, K l{OTOPbIM npUMblKalOT BTOpOCTeneHHbIe 6anKH C , BepXHeii apMaTYpO'H .lUi3MeTpOM Jl.O 20 MM; 6 =ao+30 l1M - ,nnH fn8BHbIX 6aJIOK t K I(OTOpbll1 npuMblKalOT BTopOt eneHHble 6anKH C Bepx- HeM apMaTypOH ,ltllaMCTpOl1 60nee 20 MM. ECJIII d 2 >20 MM, HJJH d l >20 l1 1, IlJIH (d 1 +d 2 ) >40 MM, TO B cl>op- MYJIbi (21), (22) 1I (23) C1IeJl.YCT nO,ltCT3eJIHTb COOTBeTC'fBeHIlO d 2 , d. BMecTO 20 UJIll d 1 +d 2 BMeCTO 40; hOTr.i BbI l1c.J]HeTCfl C TOtJHOCTblO /.1.0 10 AIM. J(onOJlHHTeJlbHble YKasaHHH no apMHpOBaHHIO 6aJloa u B MeCTax npltJlO1KeHHH cocpeAOTO'leHHOH HarpYSKH 3.t21. B CeqeHHHX 6aJJOK, r,ne npHJlO>KeHbl cocpe,noTOqelUlbIe H8fPY3'4 KH, B TOM IlIlCJ1e B MeCTax OnHpaIJH MOHOJllfTHbIX BTopOCTeneHHbIX 6a- nCK Ha r JI8BHbIe, CJIe.u;yeT npe,ll.YCMaTplfBaTb AOnOJIHIf'feJlbHOe apMHpOBa- HHe no pnc. 92. n.nomaAb cetJeHJiB 3TOii apMaTypbl H83HaQaeTCB pac- qeTOM. .lI.ononHHTeJlbH3B apM8TYP8 B 3aBHCHMOCTH OT BH,na OCHOBHOii apM8- TypbI l{OncTPyu.pyeTcH B BH,ne csapHbIx ce'fOK, OTfH6oB, llo,nBeCOK UJ1H fll8meHHhlx XOMYTOB. npll 3TOM tJHCJ10 CBapHblX ceTOK, orfH()oB HnH nOA" BeCOK AOJI>KHO ()blTb He MeHee ,nBYX; BepTHKaJIbllblX CTep>KHeH B Ka1KAOii CB8pHOH ceTKe .u.OJl}I{HO OhITb He Mellee 406; OTrH6bJ HJIH nO,AOeCKlI AM- }KHbI IfMeTb ,n1f8MeTp He MeHee 10 MM; OTorHYTble CTep>KHH AOJl1KHbJ HMe'fb B BepXHeA 30He ropll30HT8nbHbIH npSl"tOH yqacTOK ,lI.JlHHOH He Me- Hee 0.,8I a ..., npHlllfMaeMoH no n. 2.40 H8CfOSllltero PYKOBOACTB8 t H He Me- Hee 20d t npHQeM ec.nll OTrlf6bI H3 rJlaAKOH apMaTypbl l 9TOT YllaCTOK AO,,'UI{eu saKaH'lHB8TbCH KpIOKOM. MOHonHTHbiE PAMbl 3.122. Bonpocbl KOHCTpYHpoBaHHH CToeK MOHonlfTHbIX paM OTpaHCe" Ubi B p83Aene «I(OJIOHHbI» H8cToflw.ero PYKOBOAt Ba. BonpocbI KOIICTpYHpOBaHJiH plfreJleH MOHonlfTHbIX paM OTpa>KeHbI B pas,nene «BanK"» H8cToHw.ero PYKOBOACTBa. HaH60nee OTBeTCTBeHHOH llaCTbIO l10HOJlH'fHbJX paM flBJlHIOTCJI Y3JlbI, B KOTOpbIX Heot5xO,D.JiMO C03.naTb npe.n.YCMOTpeHHYIO pactJeTOM 1KeCTKOCTb. npH KOHCTPYlfPOB8HHH Y3nOB MOHonHTHblX paM, O()bI'lHO H8cbIw.eHlIblX apMaTypoii, HY>KHO CTpeMIfTbCH K o6ecnetJeHHIO M8KCIIMaJlbHOrO YAo6cT- sa YKJIa,ll.KH H ynnoTHeHIfH 6eTOHHOH CMeCH, K BOSMOHUIOCTIf npHMeHe- IHIH B1I6paTopOB. nfl y,nOOCTBa pasMew.e.lIf apMaTypbI B ysne IIIl-IpHHa C£;lIeHHH CTOHKH AOJl>KH8 ObITb Ha 50-100 MM 60JIbWe WHpHHhI Ceqe.. HUB plfren . 3.123. B Y3nax MOHOJIHTHbIX paM 3JIeMeHThI, KaK npaOHno, conpB- ralOTC.H no,A npHMhlM yr nOM. npll 3TOM pHreJlb M01Ke1' Coe,nUHSlTbCJI C KOH'T 119
"OM CToih<J1 IiJJH B npeAeJlaX ee BblCO'fbl. BepXHHH pnre.nb paM HHor,n.a UbI" JfO 'lnSUOT JiOMaHOro OqepTaUIIH. KOHCTPYHpOBaHHe TaKoro pnreJUI 8 30ne Jt3J10Ma ItMeeT aeKOTOpylO cnclUffln'IKY t TaK l<aK 9TOT Y3eJI .nOJDKeH 6bfTb JI{eCTKHM, T. e.. paMHbJ t. 3.124. COIIpH1KeHne pl1reJ1fl no,n npHMbJM yrJIOM C I{OUllOM CTOHKH peKOMeH)lyeTcfl BblnO",fJHSlTb no pHC. 93. CTep>KHH. apMHPYIowHe BXOAfJ" UiJfH yrOJJ, .nO"TI>KHbJ 6bITb B3aIJMHO 3aBe.neHbJ B CMe;mHbJH 3J1eMeHT Y3J.a, Jal{ npaBH.JIo. 6ea oTrn6aHlul. OpO,nOJIbHble pa601lHe CTep}KJlIl cToii!<H a) < - 1 1-1 C-1 HH lJ) L Jy A/111 R -1 f' 81.aN 20d) 2-2 AJ1R A-I,II-Jl b) He I1CHee 2f610 lIa gfl6cmHc S W OM!/mbl C9"al4eHlfbIMWQZOM (HoAU'Iecm60 no pac'Iemg) P11C. 92. llQnonH11TenbHoo apMHpoBaHHe 6aJ10K B MeCTax COCpe.:IOTO'leH- JlblX HarpY30K Q _ CBapHbJMH (eTKBMIi; 6 - nOABeCK8NHi B - Y'law.eHH N XOM)'TOB 120
.nOBO JlT ]1.0 BepXa pHreJifl (C yqeTOM 381l1HTIIOrO cnOH OeToHa). HH}I{HHe' CTep1KHU npOJleTlIOH apMa1'ypbl pHreJIJI 38BO,nJlT B CTOHKY 38 ee 13HYT'" peHHIOIO rp8Hb Ha BeJUtIJHHYt 06ecne'lHBa10IAYlO 8HKepOBKY. flonepeQHble CTep1KIlH (XOMYTbI) CTOHKII ,AOBO.llHT .nO Bepxa pMreJl t a nonepe'IHble CTep1KHH (XOMYTbI) pnrenJl -.no BllyrpeHlleH rpaHIl CTOHKH. CTep1KHU, a pM II PYIOl1.lHe IICXO,lJJiJ.IJ.HfI yron (H8pY>I(l1ble crepiKHII), " ROHCTPYIfPYIOTC B 38BIICHMOCTU OT BeJ1HqHH .neHCTBYIOllHX B Y3J1e pac.. 1leTHbiX YCllnHH H SKClleHTpHCHTeT8 npO.llOJIbHOH CIIJIbi. BepxHHe CTep}I{- JlH onopllOH apMaTypbJ pHreJUI 38BO,AJlT B CTOHKY II B 38BIICIIMOCTIf OT KO" JIHQeCTB8 apMaTypbl, T. e. OT paCQeT8, HX 06pblBalOT B O HOM HJ1U B ,lJ.nyx c€.'ieHIIJlX, npllqeM B nepBOM CeqeHHII He 60nee qeTbIpex CTep>KHeH, 80 BTOpOM Ce'ieHIIII He MeHee .nBYX CTep>l(HeH. MeCTa 06pblBa nOK83aHbi 118 pllC. 93. npH 3HatJ1ITeJ1bnOM 9KCIl.CHTpllCHTeTe Q8CTb H8pY}I{HbiX CTep1K" lIeH CTOHKH, HO He MeHee ,lI,BYX MO>KHO nponYCTIITb B pHre."b Ha BeJfH'!HUY Ian OT BHYTpeHHeH rpaHH CTOHI{H. npM npHMeHeH1I1I B pl1reJle H B cToiiI{e CBapHOH 8PM3Typbl B Y3.naX peKOMen,nyeTcH YCT8HasnllBaTb Cnell.HanbHble OnOpHble CeTKM 1I,,'1H !iapK8" CbI no Tllny apMllpOB8HHSI onop rnaBHblX oanOK. npH HeB03M01({HOCTH .. YCTaHOBKH CBapHOH apM8TypbI Y3eJI 8pMllpyeTcB OT,AeJlbHbIMIi CTep>KIUIMII. 3.125. ApMupoBaHlfe COnpSl>KeHIIH pllreJlH C npOMe>KYTOqHbiM celIe.. HHeM cronKH peI{OMeHAyeTCH BblnonHHTb no pllC. 94. npll 310M npO,B.Onb- lible apMaTypHble CTep1l{HH CTOHl{H IUUKHero 3Ta>K8 cne.nyeT BbInYCK8Tb HaJJ. nepeKpblTHeM (Ha)( pHreneM) )(nfl YCTpOHCTBa BJl3anbiX linn CB8pHblX " CTblKOB C apMaTypHblMll CTep1KUJlMH CTOHKH BepXHero 3Ta>l(a. PaCTHHYTbJe BepXHHe CTep}l{HH onopHoD apM8TypbI purenH C.,'1eJIyeT 38BO,nHTb B CTOHKY Ha BeJIHIJHHY laue npll 3TOM Y3eJI KOHCTpYHpyeTCH no pHC. 94, D, eCJIH paccToHHHe )(0 HapY>KHblX CTep}f{HeH CTOHIUi 60.'IbWe Tpe6yeMoii .nnHHbI aHKepoBKH, HnH no pHC. 94, 6, eCJIII paccToHHHe ,lI.0 1l8PY1KHbIX CTep1KHeH CTOHKIi Menbme BeJllf1lHHbI aHKepOBKIf. B noc J)e)- HeM cJlyqae Ha OTorUYTble YllaCTKH CTep>KHJI ,Aon>KHbI 6bl'fb YCTaIlOBneUbl ,nonOJlHHTeJJbHble XOMYTbI C marOM He oonee 100 MM, npenJlTcTBYlOwue pasrlI6a HHIO CTep1KHH. PeKOMeHJlyeTcJI OTrH68Tb CTep.>KHH BO BTOpOH pH.!l 110 OTHoweHHIO K HaPY1KHOA apMaT}'pe CTOHKII. ECJIII 3aBecTlI BepxilHe crepJKHH pllreJlJI Ha Heo6xo)(HMYIO nHHY 8HKepoBKII HeB03MO>KItO, Y3eJI M01KHO KOHCTpy"pOBaTb no puc. 94, 8 C YCHneHHeM aHKepHon waii60n. EcnH B onopHoM cetJeHHH pllrenH ,neAcTBYIOT 3H8KonepeMeHHble Jl3.. rn6al01l11le MOMeHTbI H CJle)(OBaTeJlbHO HHlKHHe CTep>KIUI MorYT 6bITb pac- TJIHYTbI, ux ue06xoAHMO 38BO,nHTb B CTOHKY C 06ecne l leHHeM COOT BeT- cTBYlOnteH ,lI,nHHbJ aHKepoBKH JlHOO YCHJ1HB8Tb 8HI<epoBKY waH60H I-Ia KOHne. Ecnu IIH>KHSUI C1KaTaH apMaTypa pHreJIH yqHTbIS8eTcH B paC'leTe, TO ee CJle.nyeT 38BOAHTb 38 BHYTpenHloro rpaHb CToii.. J(lt na Be.nUqIlHY laB, KaK JlnSi C1KaTblX CTep>KHeii, B lQH COOTBeTCTBUH C n. 2.40 HaCTOHInero PYKOBo,nCTBa. 3.126. KOHCTpyupOBaHHe nOMaHoro pllreJlH B sa- BHCHMOCTH O'f yrna COnpSI)I(eURH BbInOnHJleTCH no pRC. 95. . nepeceKalOntHecH npo,nOJIbHble CTep>KHH apM8TY- ., p paCTftHYTOH 30HY CeqeHHH Bxo,nH1l1erO yrna no ., MaHblX pHreJleH peKoMeH,nyeTCft 3aaHKepoBaTb B C>Ka.. PUC. 93. ApMHpoBaHHe KpaHHHx BepxHHx Y3JlOB MOIIOJIIITHbiX p8M 50 , t ,, , , :t t:f ::r: Nt:s , A -U J21
Toft 30He CeqeHIfJl. ,l{onYCKaeTCH tJaCTb 3THX CTep}f{Ueit 06PblB8Tb, He sa.. BOASt B C1K8TYIO SOHY. a Ha YlJaCTKe Anl/BOH s=h tg '81' He06xo)J.BMO )'cTaHaBJlHBaTb no- tl) Za# A -v , ......, , I I . A. ¥ laH I h . 0) l7,5laH 8) 10d . ----;; A V" , ; I w--> I " II ,,,,,," c.'> II 1.1 _'to II ., "- " /JonDbHU Hblf XOM Ii r ZaH h .. - 1 to.,.) n , . , LJ I -. y laN h , me.nb" 'Y mbl PRC. 94. ApMHpOS8HHe COnpJl>KeHHH npOMe1KYTotJHoro pHrenft co CToA- Kon Il - B cnyqae KorA8 paCCTOjlHHe AO uapY>KHblX apMaTypHLIX CTep)I(HeA CToilKH 60JlbWe 'au; 6 - TO B<e, eCJlH paCCTOHHHe MeHbwe 'aB: B - BapH8HT YCUJleUHR aHKepOBKH paCTHHYThIX CTep>KHel pHreJlJ1 waA60A j <1600 5/2 5/2 1/4i Fa, F Q2 Il} r<t60. Fa=Fat+Fa'l i IGO' 6) ¥ PHC. 95. CXeMa apMHposaHHB yana conpSI:>KeHHJI nOM8Horo pHl'enti a - BpS yrJle COnpJUKeIIHII. MeHbweu 1WO. 6 - TO Jlte. 60JlbWeM 1000 122
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Ha:nonopHaH apM8Typa onepTbiX no KOHTYPY Hepaspe3HbIX MHO" ronpOJIeTHblX nnHT (pnc. 101,6) C nnOCKHMH ceTKaMH B npOJleTaX KOB- CTpYHpyeTcSI aHanorHqHO Ha,nonopHoH apM8Type 6anOQHblX DJIHT no pnc. 98. MHOrOnpOJleTHble Hepaspe3Hble, onepTble no KOHTYPY IlJIHTbI, pac- CllHTaHHbIe Ha paBHoMepHo pacnpeD.eJIeHHYIO HarpysKY C pa60tJeii apM8- TYpO" ,lI,HaMeTpOM .no 7 MM, MO)KHO apMHpoBaTb THnOBbIMH pynoHHblMH I. I ,. t II' ' JI __J.L_ _____..-_J.L_. ... "-- --- If - - _......:. - - - --':1 ....... -............ I "T' - -.. I I " 1.1 .1 " . Ca I I I N .J-- I , ..- I : I __-_: L_- ..-.. __J H::__ ----.. --"' - --_.:..... ---,.r-- t , I I ,. . . ll< ,. ll( l, 7 PHC.. 100. CxeMa apMHpoBaHHSI npOJleTa nnHTbl, onepToA no KOHTYPY, neJIbHbIMH cBapHblMH ceTKaMIi 1 - OCHOBH8ft ceTK8; 2 - ,ltOnOJlHHTeJIhH8R CeTK8 C€TK3MH C npo.nOJ1bHbIMH pa601lHMH CTep>KHHMH (pHC. 102). ,.QJ1H 9Toro flJIHTY CJle.nyeT pa36uTb Ha TPH nOJIOCbI B Ka>K.nOM HanpaBJIeHHH: ,nBe KpaHHJ1e no 1/4 MeHbllJerO nponera Ii cpeAHIOIO. PynoHbI B npOJ1eTaX }'Kna,ll,blB3IOTCfl B ABa CJlOSl, paCKaTblBaeMblX BO B3CiHMHO nepneHAHKY'" nflpHOM H3npaBneHHH TOJ1bKO no Cpe,ll,HHM nOJIOCaM nJIHT (puc.. 102, a). Ha.n.onopH3S1 apM3rypa yrnOB nJ1HTbl B 9TOM CJlytI3e MO>KeT KOHCTpYHPO- BaTbCH B BRAe KB3.npaTHblX nJ10CKHX ceTOK C pa60QllMii CTep>KHSlMH B o60ux HanpaBJ1eHHflX. 3TH ceTKH YKJ1a.nblBaIOTCH Ha nepeCeqeHHH pe6ep liJ1DT, npHqeM CTep>KHH MorYT 6b1Tb napanJ1enbHbI pe6paM HJ1H YKna.lbI" B8TbCfl no.n yrJIOM 45° K HHM (pHC. 102,6). 3.135. BH3aHYIO apMaTYPY MOHOJlHTHblX nJlUT TOJ1InHHOH 120 MM H MeHbIlIe peKoMell.nyercH KOHCTpYHpoBaTb no puc.. 103 6es OTrH60B H ,lI.0- BO,lI.HTb .no onop Bce nponeTHbIe HU>KHHe CTep>fHH, a Ha,n onopaMH YCTa- HaonHBaTb CBOIO apMa1'YPY (n03. I, 2 pHC. 103), TaK Ha3b1BaeMOe pas- Jle..'JbHoe apMHpoBaHHe. npH 9TOM HH>KHHe npOJ1eTHble pa60qHe CTep>KHH Hepa3pe3Hblx nnHT peKoMeH.nyeTcH KOHCTpYHpoBaTb CKB03HblMH, npo- nYCKas HX Qepe3 HeCKOJ1bKO onop, a B KpaHHHx npOJleTaX, npH Heo6xo- ,lI.UMOCTH no paCqeTY, YCTaH8BJ1HBaIOT .a.ononHHTeJ1bHble CTep>KHH (nos. 4 pRC. 103). Ha.n.onopHyro apMaTYPY B Hepa60tJeM HanpaBJleHHH cne.nYeT YCTa.. HaBJ1UB8Tb KOHCTpYKTRBHO B KOJ1HtJeCTBe He MeDea Va CeqeHUB pa60qeH apMaTypbl B nponeTe. B nnUTax 60J1bWHX TonInHH B l{enHX 9KOHOMHH apM8Typbl qaCT& npOJIeTHbIX CTep>KlIeH peKOMeHJtyeTcH 01'rn()aT& Ha OnOpbJ (TaK Ha3b1B8- 9* 131
eMoe HenpepblBHoe apMHpOBaHHe). CTep1KHH OTrH6alOT nOA yrJloM 30 0 B nnHTax Ton HHoii /1..0 150 MM H no,n yrnoM 45 0 B nnHTax TOJl11.HHOA 160 MM H 60JIee. OTrH6b1 B nnHTax npH HenpepLlBHoM apMHpoBaHHH KO}J- CTPYHpYIOT no pHC. 104. ApMHpoBaHBe onop MOHOJJHTHbIX nJlHT OTJ1eJ1bHhIl..fH cTep>KHflMII np" pa3Hblx onopHbIx ycnoBHSlx ,naHO Ha pHC. 105 9 106, 107. '!) c) l, PIIC. 101. Cxe la apMBpoBaHHSI UJ1HTbI, onepToH no KOHTYPY. Y3KIlMH cBapHblMH ceTKaMH a - npoJleTHble ce1KH; 6 - Ha,nonopHble ceTKH 3.136. BH3aHYIO apIfaTYPY DJ1HT, onepTblx no KOHTYPY, pel(OMeHAY- e1CH KOHCTpYHpOBaTb Tal{ >Ke, KaK If BSI3aHYIO apMaTYPY 6anOIJHbIX unliT. npli 3TOM ,nnH 9KOHOMHH apMaTypHOii CTaJIH nnHTY M01KHO pa36HTh Ita TpH nOJIOCbl B Ka1K,ltOM HanpaB.neHHH - ,nBe KpaHHHe WHpHHOA DO ". MeHbtIIerO nponeT8 H cpe,nHIOIO. B KpaHHHX nOJIocax nno a.nb CeqeHHSI apMaTYPLl MO>KeT 6blTb YlYreHbWeHa BABoe npOTIIB napanneJlbHOH HM pe.nHeii nonOCbl, HO He Melfee Tpex CTep1KHeA Ha OAHH MeTp. CTep1KHH B HanpaBJIeHIIH KOpOTKOH CTOpOHbI )'KnaJl.bIBa!01CH BHH3Y9 Ha.nonopHBH pa60QaH apMaTypa YCTaHaBnHBaeTCH no BeeR AnHHe_RWKAoH CTOpOH nnHTbl paBHoMcpHO. 132
Q) 1/" It 1/'1 Z, - - t; - - N - I f I I I I I I tI - N - 1.' I., I I I- I OJ II 2l PDC. 102. .CxeMa ap IHpOBaHHH nJIHTbl, onepTou' no KOHTYPY, cBapHbIMH PYJ10HHbIMH ceTKaMH a - DpOJleTH8H H cpeAHSUI 118AODopl-!aS1 pMaTYP8; 6 - H3JJ.onopH8a apMaTyp8 yr- JlOB nnHTbl t 3
3.137. Ha KpaAHHx onop8x nnHT, MOHOnHTHO CBHS8HHbIX C meJIe30- 6eToHHbIMH nporoH8MH, H8J10nopHyJO paCqeTHyIO apMaTYPY cJIeJ1YeT sa.. .l{eJIblBaTb B nporoH Ha rny6HHY aHKepOBKH, npHHDM8eMYIO B COOTBeTCT- BHH C n. 2.40 HaCTosnnero PYKOB0J1CTB8. Ha Kp8HHHX CB06oJ1HbIX ODOp8X DJIHT npOJleTHYIO apM8TYPY CneJ1yeT SaBOJ1HTb sa rpaHb onopbl B COOTBeTCTBHIt C n. 2.42 HaCTOJlw.ero PYKO- BOACTBa. 1 C;:) 2 co 6 6000 PHC. 103. P8SJ1eJIbHOe apMHpOS8HHe MOHonHTHblX OanO'lHblX MDT OT- J1enbHbIMH CTep1KHftMH ( R3aHOii apM8TypOH) 1, 2 - Ha,lJ.OnOpHaa apMaTypa B pa(ioqeM HanpaaneHUU; 3, 4 - nponeTHaSi apMa- t'ypa B paeso.IeM HanpaaneHHU; 5. 6 - Ra,uonopHaSi apMaTypa B Hepa()O'leM Ra- DpaaneHHB 3.138. KOHCOJJbHble DJlHTH np" BbIJleTe KOHCOJIH ]J.O OJ1HorO Merpa npHHHM810TCH nOCTOHHHOH TOnIUHHIJI. a npH BhIJ1eTe oonee O,nHoro MeTP8 CeqeHHe DJ1HThi KOHCOJJH M01KeT 6h1Tb nepeMeHHbIM: Ha CB06o.nHOM KOHne KOHconH - He MeHee 50 MM, a B MeCTe S8J1eJ1KH - no paC'leTY. fny6HH8 S8J1enKH KOHCOJJbHOH nnHTN B CTeHY Ha3Ha'l8eTC no pac- tzeTY H npH BpeMeHHoH H8rpYSKe 11.0 400 Krc/M 2 AOJUKHa 6bITb He MeHee: 250 MM - npH BbIneTe KOHconH ,110 600 MM; 380 MM -npH BblneTe KOHCOJIH 600-1000 MM. npH BbIneTe KOHCOJJH 60nee 1000 MM HJIH npH 60nbIlIHX HarpYSKax He06xo11.HMO npe11.ycMaTpHBaTb cneuHanbH e MeponpHHTHH no aHKepoB- Ke KOHconH B CTeHe. 8.139. KOHcMbHble DJlHTbl apMHpYIOT, KaK npaBllno, TonbKO BepxHeii apM8Typoii. KOHCOJIH, npeACTaBJIHIOInHe C060H 'l8CTb OJ1HO- linH MHoro- nponeTHoA nJUfTbI, apMHpYIOTCR BMeCTe C nOCJIe,ll.HHMH H TOH >Ke 8pMa- TYPOR - CeTKaMH IInli OTJ1eJlbHbIMH CTep*HHMH. la4
OpH apMHpOSaHUH KOHCOJJbHblX nnHT, ItMelOInHX Bbf.neT oonee 1000 MM, ,aon)iCK8eTcH (eCJJH 3TO p a n UO H8JJbHO C TO'lKII 3peHIIJI YHH$H" KaUHH n03HnH" H ceToK) nonoBuHY pa60llux CTep>KHeli o6pbloaTb H8 no- nOBHHe BhIJIeTa KOlICOJIH. a) f/IJ l4 1/6 ll1 lq --1 lo . }-" J I 1 (} '- ./ " /2 6) 1/'" l4 t/LJ lo r t 1/6 to } 1/6 to f r , ./ " I t to lo .-- 3 + f / " /2 6) e) r 10 PRe. t 04. I-IenpepblBHoe 8pMHpCJB8HHe MOHOJJHTHLIX nJIUT OT.nenbHblMH crep>KHHMH (BH33HOM 8PM8TYPhI) a - CpeJl.HJUI onopa (>Kene30()eTOHHaJi 6alll<a) MHOrOnpOJIeTHOA nnHTbJ: 6 - 'to me. cranhH8S1 6aJlKa; B - RpaAHSIR onopa - >KeJles06eroHHaJi 6anKa; 2 -TO >Ke t Kap- OHQnaJi CTeHa; 1- oTru6bl; 2 - npOJleTHaJi apMa-rypa: 3 - ,nonOJlHHTeJlbHaJi Hall" OnOpHaJi apMaTypa (CTaBHTCJI. ec.nH H .nOCTaTOqHO OTorUYTblX CTep)KHeA) d 3.140. TOJ1CThIe MOHOJJHTHhIe DJJtfThI (H8npHMep, $YH,n8MeHTHble) pee KOMeH,nYeTCH 8pMHpOBaTb CB8pHblMH apMot5noK8MH no THny, nOK838HHO- MY H8 pUC. 21. YCT8H8BnHB8Tb ux cne,nyeT C p83pblBOM, p8BHblM WHpHHe apMO" 6nOKa 7 8 B 3aSOp nOMew.aTb rOpHSOHTanbHhIe nnOCKHe CB8pHble CeTKH, 83 IOTOpbIX C06P8H 8pM06nOK. B CJ1yt18e Heo6xo,nHMOCTH YKJla,nblBalOT TaK- 1Ke CBapHhIe CeTKH nepneHJlHKynHpHorO Hanp8sneHHR. 135
Mil 8} lo 10 1/1/ l, 6 IJ e) J 1,0 II 5d D) 2 no paClIem!/, HO He MeHee II 6 f 1/lJ. lo r IJ 200 lo PIIC. 105. Pa3Je.,J1bHoe apMHpoB81ule KpaihrRx onop MOHOJIHTHbIX n..JIJlT OTJleJIbHbIMIJ crep}KliSllvlli B pa60QeM HanpaBJIeHHH a - MOHO.nHTIIO CBJI'38UIJO:t C }f{(".ne306eTOlJlioli 6a..'1KOIi; 6 - 3a eMJle'nton B KJJp" IUITlliOfr CTelie; B - cBoOo,nno Jle>Kaw.et:i Ha CT8J1bIlOH 6SJ1Ke; e - TO >Ke. na KlfP" nutlHOn CTeHe; iJ - KOHCOJlbHO onlfpalO eHCH A8 CTaJlblIYIO 6aJ1KY; J - 'nponeTHafl pa()OtIaSi apMaTypa Fa )lH8MeTpoM d; 2 - gnOpHafl apM8Typa (no paCIJeTY, HO Ire Menee O.5F a); 3 - onopHaSi apM8Typa He MeHee '/3 F a H lie MeHee 506 AI ua I nOf. M; .1- pacnpe,ne.nHTenbHaH apMllTYpa; 5 - apMaTypa >KeJleS06eToHHoH ()anKH; 6 - CTep>Keub. o6ecneQHBBIOw.Hit COBMecTHYIO pa60T)"' n.nHTbl CD CTanbHOA ()aJlKoD,. 06bJ'DIO, ecnH lie Tpe yeTCSI no paCQeTY - 0'6 war 1000; 7 - CBapKa 136
(1) d) 6AIiJ1-1000 . . 1 5 0) I /To pact/emu, HO He MeNte 1/1i lD 2 II 'I PHC. 1 O . Pa3.neJIbHOe apMlIpoBaHHe KpaHHRx onop MO'HOJIHTHbTX U.:1HT OT)J.eJ1bHbIMH CTep>KHS1MH B HepaOOqeM H8npaBJ1eHHH a - CB060,ltHO Jle>Kar.u.eA Hit CTaJl.hHOn 6anKe; 6 - KOHconbHO oDHpalOw.eltCJJ Ha CT3J1bHYIO ()aJlKY; B - MOHonHTHO CBJI'38HHOA C >KeJle30t)eToHHoA 6anKoA; 2 - 3a- w.eMJleHHOA B KHpl1HQHOA CTeHe; iJ - npHMbJK81Or.u.eA K CTeHe 6e3 onHpaHHJJ: 1- nponeTH8JJ paOoqaSl apMaTypa Fa .n.HaMeTpoM d; 2 - onopHaSi apMaTypa no oac- '1eTY; HO He MeHp.(' 1/3F 8; 3 - onopnaSi apMaTypa; 4 - pacnpe.n.eJlHTenbHaq apMa- Typa; 5 - apMaTypa }Ke.ne306eTOHHOA 6aJJKH a) PJ.lc. 107. ApMHpoB8HHe cpeJHMx onop MOHOJ1HTHOfi nJ1HT OT)J.eRbHW- Mli crep>KHSlMH a - MOI-IOnHTHO tBSl3auHoR C >Ke.nC306e- TOHHOA 6anKoit B pa60QeM HanpasneHHH; 6 - cDoOo.nno .ne>KallteR Ha CTaJlbHOA 6aJlKe B pa60QeM lfanpaBneHHH: B - MO- JlO.nlu'no CBSl3af-lJl01i C >Ke.ne30()eToHHoA . Oa1JKoR B nepa60tJeM UanpaBJ1eHHH; 1- nponeTH8JJ paOoqaSl apM8Typa F 8 .nua. MeTpOM- d; 2 pacnpeJi.eJlItTeJlbHa51 apMa" 'TYpa 3 - OnOpH8JJ apM8Typa no pacqe1'Y, lio He MeHee 1J3F 8; 4 - apMaTypa >ReJle.. 306eTOHHOn 'tiaJlKH; 5 - ('BapKa ? , lo fOO!.: t 10d f lo J t . 6) 1/1J lo 100 I (/J61l I w-1000 lo l lJ) t/LJ Zo 1/4 lo an 2 137
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C) ..... m (1). -; .,Q;:r;s::<J Ecu CUe. ::s Q. l1JtJCU y 5 - C :: >< :: Q.. :] t:: Q,) < ees: .0(1) t;S' ;.< OQ.) C :25 (.) :c I:: :re 0 (-t m < '= 8. co = ;:--.. U (0- I:( t 8 cutJ:;c a: mtt :is "- - 2 - :c m C:;I; 0 :i5:E5: U tJ "-l CU :;c Q.QJ .lJQJ3 = Q. (o-o 01 c:( u= ::--- 05 - 0 (.1,"- c: :;:0(,) 0 CU .... t =. :: OS .... <J Lo-Q,) (-t ! :z: U 0 t 0 :c 2 c... 0 L0- u (0. O. I:: 0 Q., (0- M is tJ 0 ;< = :a Q; >. Q. >. :: Lo- (0- <J :z: 0 U c.. UJ «I tJ :r <J :: «I :c ;.< gJ t- :: ::zi. c:: :z! == ::£: t- = 8 2 .: 174 * 00 o 8 * 0 ...... - F: U":) fIIIIIIII ___ <O--ev) ....... 1'-- ..... XX xxx X X XX 00 OO 0 0 LC LC r-.<.O t--- LC '" (;'1 r-.. to- '" ...... - """"" .- 1Q ---......, ..... --- I I I . I . , I U":)C":) '" "1 . . , I 00 __l!";U":) "1 (;'1 1 ,t'-to- ..... - t:: I I . . , t-. t-.t-.t-. E--E--E-- E-& -----A U":) -.:r CO Uj C'f) Uj 0 0 --- ..... - - - - - - - - - - <.0 U":) '" r..t) U":) <.0 LQ 1d" ..... ..... ..... - - - - - - - - - - 0 ao <0 0 QC ao 0 CO 00 ....c ..... - ... -- - - - - - - - - - - 0 0 0 -.:r 00 ... ..... ...... ..... ...... ..... ... ...... ...... I . .. Q.. <5CQ ....: I '" . < < CQ I ..... ... ..... .... ..... . t t .. I Q. 0- Q. Q.. aJ CQ CQ CQ c:Q .. .. .. .. .. ..... ...... .... ..... ..... ...... ..... ...... ..... ...... ...... ...... ..... < ...... I .... ..... < , I I < , I . < aJ CQ CQ CQ ,:Q .. .. .. ... .. .. ..... .. ....... .. .... .. ....... .. ...... ,.... ..... ....c ...... ..... .... ...... ..... ..... ..... < < < < < I < < , < < - - .. Uj to-t-. '0 J..-oo t:' t--t: (N I g 0 ('I') LQ 0 .... I ..... ..... ... cQ t::t:: I 0 0 C"I) t: t:: t:: <.0 00 . (-4 = .f- =u f- a 1:= (S;:0 C= :reA .Q c:; <0:1: O =0') = ego aa"" aHa * . .
OrJJABJ1EHHE CTp. n pe):lHCJIOBHe . . . . . . . .. ......... 3 1. OC110BHble nOJ}O}KeHHH ... . . ',' .. 4 2. I13):leJIHH ):lJIH 6eToHHbIX H >KeJIe306eToHHbIX KOHCTPYKUHH .. 6 06 He YKa3aHHH . . . . . . . . . . . t. 6 OT.LleJIhHble apMaTypHble CTepJKIIH . . . . . . . ". 7 CeTKH. ... ......,..... 13 K a p K3,C bl . . . . . . . . . . . . . . . . .. 18 AHKepoBKa apMaTypbI .. . . . . . . 25 CTbIKH apMaTypbI BHaXJICCTKY (6e3 cBapKH) . . . .. 32 3aKJIa.lI.Hble ,l{eT aJ1H. .' I . . . . . . . . .. 39 npHcnoco6J1eHHH J1H cTponoBKH . . . . c . . .. 48 npHcTIoco6JIeHHH AJIH HKcaUHH 4 . . . . . . . .. 54 3. KOHCTpYHpoBaHHe OT eJlbHblX .9JIeMeH.TOB KOHCTPYKUMH 59 06WHe Tpe6oBaHHH. ......... .. 59 cI>YH a MeHTbl H pocTBepKH . . . . . . . . . . .. 65 KOJlOHHbl . . . . . . . . . . , . 89 BaJiKH . . . . . . . . . . . . . . . . . 105 MOH04,TIHTHble paMbI . . . . . . . . . . . 119 nJlH TbI . . . . . . . . . . . . . . . . . .. 123 nepeKpblTHSl . . . . .. ......... 139 OT,neJIbHble YKa3aHHH no KOHCTp)'HpoBaHHlO SJleMeHTOB nO B aJlbHbIX nOMe eHHH . . I . . . . .. 142 nO,llnop Hble CTeHbI . . . . . . . . . . . . . .. 144 TOHHeJIH .. . . . . It . ". 147 4. Oc'06eHHocTH KOHCTpYHpoBaHHH }I{eJIe306eToHHbIX KOHCTpYK. UHH, nO BepJI{eHHbIX B03):leHCTBHIO llHHaMHtIeCKH HarpY30K. 150 flpuA.o eH.ue 1. ,L{aHHble no apMaType . . . . . . . . .. 154 llpUAO:JICeH.Ue 2. YKa3aHHH no npHMCIJeHHlQ apMaTypHbIX, CTaJleH 156 llpulto eH.ue 3. YKa3aHHH no npHMeHeHHlO CTaJIM ):lJIH 3aKJla l1blX ):leTaJleH . . . . . . . . .. ...... 159 llpuAo,g;eHue 4. OCHoBHbIe THnu cBapHblx COe.Lll1HCHHA CTep >K He- B 011 a p M a TY p bl . . . . . . . .. ... 160 llpulto:JICeH.ue 5. CopTaMeHT ropHt!eKaT8Hoii cTep>}{HeBotl apMaTypbJ 167 llpulto:JICeH.uc' 6. CopTaMeHT 06blKHoBeHHoH apMaTypHoH npOBO. J10KH'. . . . . . . . . . . . . . .. 168 flpu/lo:JICeH.ue 7. TeXHHlIeCKHe B03MO)KHo.CTH cepH HbIX CneUHaJIH- u 3HpoBaHHblx MHOrOTOllellHblX MaWHH ,l{JlH KOHTaKTHOH TO- tlellHOH cBapKH nJlOCKHX apMaTypHbIX H3):leJluA . . . .. 169 'llpUltO eHUe 8. TeXHHt!eCKHe B03MOJKHOCTH CT3HKOB JlH rH6KH a p M a TYP HblX ceTO K . . . . . . . . . . . . . " 17 J llpu/I,03ICeH.ue 9. TeXHHtIeCKUe B03MO}KHOCTH O HOTOqe1.JHbIX MaWHH o6111ero Ha3HalleHHH, npHMeHReMblx JIH cBapKH TIJIOCKHX apMaTypHblX H3 eJ1HHt a TaK}Ke 3aKJ1a HbIX eTaJ1eii .. 112 llpUltO:JICeHUe 10. THlJbI H TeXHHtleCKHe B03MO}KHOCTH nO):(BeCllbiX CBapOt!HbIX MaWHH . . . . . a . . . . . . . ... 174
Руководство по конструированию бетонных и ж.б. конструкций из тяжелого бетона (без предварительного напряжения) 1978 — файл n1.doc
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n1.doc
ПЛИТЫ
3.127. Плитами считаются изгибаемые конструкции относительно небольшой толщины и сравнительно больших размеров в плане, предназначенные, как правило, для восприятия распределенной по площади плиты нагрузки.
В практике проектирования железобетонных конструкций в основном встречаются плиты балочные, опертые по контуру, и консольные. Их выполняют однопролетными или многопролетными неразрезными, причем они могут быть свободно опертыми или защемленными на опорах.
Балочными называются протяженные плиты с соотношением сторон плиты более двух при обязательном опирании по противоположным сторонам.
Опертыми по контуру называются плиты, опирающиеся по двум смежным, по трем или по четырем сторонам и имеющие соотношение сторон 2 и менее.
Консольными плитами называются плиты, заделанные с одной стороны в стену или в другую конструкцию или представляющие собой часть одно- или многопролетной плиты, свешивающуюся за раннюю опору.
Рис. 96. Примеры конструкций сборных плит
Плиты выполняют сборными и монолитными, и они могут быть элементами покрытий, перекрытий, плитных фундаментов, подпорных стен или других конструкций и конструируются гладкими или вместе с балками (ребрами) соответствующих конструкций.
Сборные плиты могут применяться для тех же конструктивных элементов и выполняться гладкими или вместе с ребрами. Указания по конструированию ребер ребристых сборных и монолитных плит приведены в разделе конструирования балок настоящего Руководства.
Примеры конструкций сборных плит с ребрами приведены на рис.
96
. Примеры конструкций монолитных плит приведены в настоящем разделе.
3.128. Толщина монолитных плит должна назначаться в соответствии с п.
3.1
настоящего Руководства и приниматься не менее:
40 мм — для покрытий;
50 мм — для междуэтажных перекрытий жилых и общественных зданий,
60 мм — для междуэтажных перекрытии производственных зданий.
Таблица 30
Характеристика плиты | Толщина защитного слоя бетона аб в плитах | |
для рабочей арматуры диаметром d1 | для распределительной арматуры диаметром d2 | |
Сборные плиты из бетона проектной марки менее М250 и монолитные плиты независимо от марки бетона | ||
толщиной, мм: | ||
до 100 включительно | 10 мм Ј аб і d1 | 10 мм Ј аб і d2 |
более 100 до 250 | 15 мм Ј аб і d1 | 10 мм Ј аб і d2 |
250 и более | 15 мм Ј аб і d1 | 15 мм Ј аб і d2 |
Сборные плиты из тяжелого бетона проектной марки М250 и более | ||
толщиной, мм: | ||
до 100 включительно | 10 мм Ј аб і (d1 — 5) | 10 мм Ј аб і (d2 — 5) |
более 100 до 250 | 15 мм Ј аб і (d1 — 5) | 10 мм Ј аб і (d2 — 5) |
250 и более | 15 мм Ј аб і (d1 — 5) | 15 мм Ј аб і (d2 — 5) |
Примечание. В сборных плитах из тяжелого бетона проектной марки М250 и более, изготовляемых на заводах в металлических формах и защищаемых сверху (в сооружении) бетонной подготовкой или стяжкой, допускается для верхней арматуры принимать толщину защитного слоя не менее 5 мм.
Минимальная толщина сборных плит должна определяться из условий обеспечения требуемых толщин защитных слоев бетона и условий расположения арматуры по толщине плиты.
Толщины монолитных плит h, мм, рекомендуется принимать 40, 50, 60, 70, 80, 100, 120, 140, 160, 180, 200, 250, 300, далее кратно 100.
3.129. Толщина бетонного защитного слоя для рабочей арматуры плит, находящихся в обычных условиях эксплуатации, должна удовлетворять требованиям пп.
3.3
;
3.4
;
3.5
;
3.6
и приниматься по табл.
30
настоящего Руководства.
Концы продольных рабочих стержней, не привариваемых к анкерующим деталям, должны отстоять от торца плиты на расстоянии не менее:
10 мм — для сборных плит перекрытий и стеновых панелей пролетом до 12 м включительно;
15 мм — для монолитных плит длиной до 6 м включительно;
20 мм — для монолитных плит длиной более 6 м.
3.130. Плиты, как правило, должны армироваться сварными сетками.
Вязаную арматуру допускается применять для сравнительно небольших монолитных участков сборных перекрытий и монолитных плит с большим числом неупорядоченных отверстий, а также в случаях, когда применение сварной арматуры не допускается по условиям эксплуатации согласно прил.
2
.
Диаметр рабочих стержней сварной арматуры плит рекомендуется принимать не менее 3 мм, а вязаной — не менее 6 мм.
3.131. Расстояния между осями стержней рабочей арматуры в средней части пролета плиты (внизу) и над опорой (в верху многопролетных плит) должны быть не более: 200 мм — при толщине плиты h < 150 мм; 1,5h — при толщине плиты h і 150 мм.
Расстояния между стержнями, доводимыми до опоры плиты, не должны превышать 400 мм, причем площадь сечения этих стержнем на один метр ширины плиты должна составлять не менее 1/3 площади сечения стержней в пролете, определенной расчетом по наибольшему изгибающему моменту.
3.132. Площадь сечения рабочей арматуры плит определяется расчетом и должна удовлетворять требованиям п.
3.8
настоящего Руководства. Диаметр и шаг стержней этой арматуры можно подбирать по табл.
31
.
Площадь сечения распределительной арматуры в балочных плитах должна составлять не менее 10 % площади сечения рабочей арматуры в месте наибольшего изгибающего момента. Диаметр и шаг стержней этой арматуры в зависимости от диаметра и шага стержней рабочей арматуры рекомендуется назначать по табл.
32
.
Таблица 31
Шаг стержней, мм | Площадь поперечного сечения арматуры на 1 м ширины плиты, см2, при диаметре стержней, мм | ||||||||||||
3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 25 | |
100 | 0,71 | 1,26 | 1,96 | 2,83 | 5,03 | 7,85 | 11,31 | 15,39 | 20,11 | 25,45 | 31,42 | 38,01 | 49,09 |
125 | 0,57 | 1,01 | 1,57 | 2,26 | 4,02 | 6,28 | 9,05 | 12,31 | 16,08 | 20,36 | 25,13 | 30,41 | 39,27 |
150 | 0,47 | 0,84 | 1,31 | 1,89 | 3,35 | 5,23 | 7,54 | 10,26 | 13,4 | 16,96 | 20,94 | 25,33 | 32,72 |
200 | 0,35 | 0,63 | 0,98 | 1,41 | 2,51 | 3,93 | 5,65 | 7,69 | 10,05 | 12,72 | 15,71 | 19 | 24,54 |
250 | 0,28 | 0,5 | 0,79 | 1,13 | 2,01 | 3,14 | 4,52 | 6,16 | 8,04 | 10,18 | 12,56 | 15,2 | 19,64 |
300 | 0,23 | 0,42 | 0,65 | 0,94 | 1,68 | 2,61 | 3,77 | 5,13 | 6,7 | 8,48 | 10,47 | 12,66 | 16,36 |
350 | 0,2 | 0,36 | 0,56 | 0,81 | 1,44 | 2,24 | 3,23 | 4,44 | 5,74 | 7,27 | 8,97 | 10,86 | 14 |
400 | 0,18 | 0,32 | 0,49 | 0,71 | 1,25 | 1,96 | 2,82 | 3,5 | 5,02 | 6,36 | 7,86 | 9,5 | 12,49 |
Таблица 32
Диаметр стержней рабочей арматуры, мм | Диаметр и шаг, мм, стержней распределительной арматуры балочных плит при шаге стержней рабочей арматуры, мм | |||||
100 | 125 | 150 | 200 | 250 | 300 | |
3 — 4 | 3
400 |
3
400 |
3
400 |
3
400 |
3
400 |
3
400 |
5 | 3
350 |
3
350 |
3
350 |
3
350 |
3
400 |
3
400 |
6 | 3
350 |
3
350 |
3
350 |
3
350 |
3
400 |
3
400 |
8 | 5
350 |
5
350 |
4
350 |
4
350 |
3
350 |
3
400 |
10 | 6
350 |
6
350 |
5
350 |
5
350 |
5
350 |
5
350 |
12 | 6
250 |
6
300 |
6
350 |
6
350 |
6
350 |
6
350 |
14 | 8
300 |
8
350 |
8
350 |
6
300 |
6
350 |
6
350 |
16 | 8
250 |
8
300 |
8
350 |
8
350 |
8
350 |
8
350 |
18 | 10
300 |
10
250 |
10
350 |
8
350 |
8
350 |
8
350 |
20 | 10
200 |
10
250 |
10
300 |
10
350 |
10
350 |
10
350 |
22 | 12
250 |
12
300 |
10
300 |
10
350 |
10
350 |
10
350 |
25 | 14
300 |
10
200 |
8
150 |
8
200 |
8
250 |
8
300 |
Примечание. Над чертой указан диаметр стержней распределительном арматуры, а под чертой — их шаг.
3.133. Балочные монолитные плиты, армированные сварными сетками, рекомендуется конструировать по рис.
97
,
98
.
Пролетную арматуру плит шириной до 3 м и длиной до 6 м рекомендуется конструировать в виде плоской цельной сварной сетки, поперечные стержни которой являются рабочей арматурой плиты (рис.
97
, а).
При диаметре рабочей арматуры более 10 мм можно армировать плиту плоскими узкими сварными унифицированными сетками. Длина таких сеток должна соответствовать ширине плиты, которая в этом случае может быть и более трех метров. Продольные стержни этих сеток являются рабочей арматурой плиты, а поперечные — распределительной, стыкуемой в плите внахлестку без сварки (см. п. 2.52 настоящего Руководства). Надопорная арматура неразрезных плит может конструироваться по рис.
97
, в в виде двух, со сдвижкой, сеток (рис.
98
, в) или одной (рис.
98
, г) сетки с поперечными рабочими стержнями, укладываемых вдоль опор. Эти надопорные сетки могут быть рулонными.
Рис. 97. Схема армирования монолитных балочных плит сварными сетками (планы)
а — пролетная арматура в виде цельных сварных сеток с поперечными рабочими стержнями; б — то же, в виде узких сварных сеток с продольными рабочими стержнями; в — план надопорной арматуры
Рис. 98. Армирование опор плит сварными сетками (разрезы в рабочем направлении)
а — крайняя опора плиты, монолитно связанная с железобетонной балкой; б — крайняя опора плиты на кирпичной стене; в, г — средняя опора плиты, монолитно связанная с железобетонной балкой, с надопорной арматурой из двух раздвинутых сеток и из одной сетки
Многопролетные балочные монолитные плиты толщиной до 100 мм с рабочей арматурой средних пролетов и опор диаметром до 7 мм рекомендуется армировать сварными рулонными типовыми сетками с продольной рабочей арматурой по рис.
99
. Рулоны при этом раскатываются поперек второстепенных балок, а поперечные стержни сеток, являющиеся распределительной арматурой плиты, стыкуются внахлестку без сварки. В крайних пролетах и на первых промежуточных опорах, где обычно требуется дополнительная арматура, на основную сетку укладывается дополнительная сетка (рис.
99
), которая заводится за первую промежуточную опору во второй пролет на 1/4 пролета плиты. Вместо дополнительной сетки возможна укладка отдельных стержней, привязываемых к основной сетке.
Рис. 99. Непрерывное армирование монолитных неразрезных плит сварными рулонными сетками
а — план и разрезы плиты, опертой на железобетонные балки; б — деталь, опирания плиты на кирпичную стену
3.134. Плиты, опертые по контуру, рекомендуется армировать сварными сетками. При этом плиты, имеющие размеры не более 6ґ3 м, допускается армировать в пролете одной цельной сварной сеткой с рабочей арматурой в обоих направлениях. При большом числе одинаковых плит с меньшим пролетом 2,5 — 3 м для экономии арматурной стали рекомендуется уменьшать количество стержней на крайних полосах плиты против средних. В этом случае плита может армироваться одной цельной плоской сварной сеткой с количеством арматуры, которое требуется на крайней полосе, а на среднем участке плиты укладывается дополнительная сетка (рис.
100
). Ширина крайней полосы lк определяется расчетом.
При нецелесообразности армирования плиты цельными сварными сетками допускается конструировать арматуру из узких сварных унифицированных сеток с продольной рабочей арматурой. Сетки укладываются в пролете в два слоя во взаимно перпендикулярных направлениях (рис.
101
). При этом сетки с более короткими рабочими стержнями (рис.
101
, поз. 2) укладываются в нижний слой. Монтажные, стержни сеток каждого слоя кладутся впритык и не стыкуются, причем в сетках нижнего слоя они должны быть снизу, в защитном слое рабочей арматуры, а в сетках верхнего слоя — сверху.
Надопорная арматура опертых по контуру неразрезных многопролетных плит (рис.
101
, б) с плоскими сетками в пролетах конструируется аналогично надопорной арматуре балочных плит по рис.
98
.
Многопролетные неразрезные, опертые по контуру плиты, рассчитанные на равномерно распределенную нагрузку с рабочей арматурой диаметром до 7 мм, можно армировать типовыми рулонными сетками с продольными рабочими стержнями (рис.
102
). Для этого плиту следует разбить на три полосы в каждом направлении: две крайние по 1/4 меньшего пролета и среднюю. Рулоны в пролетах укладываются в два слоя, раскатываемых во взаимно перпендикулярном направлении только по средним полосам плит (рис.
102
, а). Надопорная арматура углов плиты в этом случае может конструироваться в виде квадратных плоских сеток с рабочими стержнями в обоих направлениях. Эти сетки укладываются на пересечении ребер плит, причем стержни могут быть параллельны ребрам или укладываться под углом 45° к ним (рис.
102
, б).
Рис. 100. Схема армирования пролета плиты, опертой по контуру, цельными сварными сетками
1 — основная сетка; 2 — дополнительная сетка
3.135. Вязаную арматуру монолитных плит толщиной 120 мм и меньше рекомендуется конструировать по рис.
103
без отгибов и доводить до опор все пролетные нижние стержни, а над опорами устанавливать свою арматуру (поз. 1, 2 рис.
103
), так называемое раздельное армирование. При этом нижние пролетные рабочие стержни неразрезных плит рекомендуется конструировать сквозными, пропуская их через несколько опор, а в крайних пролетах, при необходимости по расчету, устанавливают дополнительные стержни (поз. 4 рис.
103
).
Надопорную арматуру в нерабочем направлении следует устанавливать конструктивно в количестве не менее 1/3 сечения рабочей арматуры в пролете.
В плитах больших толщин в целях экономии арматуры часть пролетных стержней рекомендуется отгибать на опоры (так называемое непрерывное армирование). Стержни отгибают под углом 30° в плитах, толщиной до 150 мм и под углом 45° в плитах толщиной 160 мм и более. Отгибы в плитах при непрерывном армировании конструируют по рис.
104
.
Рис. 101. Схема армирования плиты, опертой по контуру, узкими сварными сетками
а — пролетные сетки; б — надопорные сетки
3.136. Вязаную арматуру плит, опертых по контуру, рекомендуется конструировать так же, как и вязаную арматуру балочных плит. При этом для экономии арматурной стали плиту можно разбить на три полосы в каждом направлении — две крайние шириной по 1/4 меньшего пролета и среднюю. В крайних полосах площадь сечения арматуры может быть уменьшена вдвое против параллельной им средней полосы, но не менее трех стержней на один метр. Стержни в направлении короткой стороны укладываются внизу. Надопорная рабочая арматура устанавливается по всей длине каждой стороны плиты равномерно.
Рис. 102. Схема армирования плиты, опертой по контуру, сварными рулонными сетками
а — пролетная и средняя надопорная арматура; б — надопорная арматура углов плиты
3.137. На крайних опорах плит, монолитно связанных с железобетонными прогонами, надопорную расчетную арматуру следует заделывать в прогон на глубину анкеровки, принимаемую в соответствии с п.
2.40
настоящего Руководства.
На крайних свободных опорах плит пролетную арматуру следует заводить за грань опоры в соответствии с п.
2.42
настоящего Руководства.
Рис. 103. Раздельное армирование монолитных балочных плит отдельными стержнями (вязаной арматурой)
1, 2 — надопорная арматура в рабочем направлении; 3, 4 — пролетная арматура в рабочем направлении; 5, 6 — надопорная арматура в нерабочем направлении
Рис. 104. Непрерывное армирование монолитных плит отдельными стержнями (вязаной арматуры)
а — средняя опора (железобетонная балка) многопролетной плиты; б — то же, стальная балка; в — крайняя опора — железобетонная балка; г — то же, кирпичная стена; 1 — отгибы; 2 — пролетная арматура; 3 — дополнительная надопорная арматура (ставится, если недостаточно отогнутых стержней)
Армирование опор монолитных плит отдельными стержнями при разных опорных условиях дано на рис.
105
,
106
,
107
.
Рис. 105. Раздельное армирование крайних опор монолитных плит отдельными стержнями в рабочем направлении
а — монолитно связанной с железобетонной балкой; б — защемленной в кирпичной стене; в — свободно лежащей на стальной балке, г — то же, на кирпичной стене; д — консольно опирающейся на стальную балку; 1 — пролетная рабочая арматура Fa диаметром d; 2 — опорная арматура (по расчету, но не менее 0,5 Fa), 3 — опорная арматура не менее 1/3Fa и не менее 5 Ж 6 AI на 1 пог. м, 4 — распределенная арматура; 5 — арматура железобетонной балки; 6 — стержень, обеспечивающий совместную работу плиты со стальной балкой, обычно, если не требуется по расчету — Ж 6 шаг 1000; 7 — сварка
Рис. 106. Раздельное армирование крайних опор монолитных плит отдельными стержнями в нерабочем направлении
а — свободно лежащей на стальной балке; б — консольно опирающейся на стальную балку; в — монолитно связанной с железобетонной балкой; г — защемленной в кирпичной стене; д — примыкающей к стене без опирания; 1 — пролетная рабочая арматура Fа диаметром d; 2 — опорная арматура по расчету, но не менее 1/3Fa; 3 — опорная арматура; 4 — распределительная арматура; 5 — арматура железобетонной балки
Рис. 107. Армирование средних опор монолитной плиты отдельными стержнями
а — монолитно связанной с железобетонной балкой в рабочем направлении; б — свободно лежащей на стальной балке в рабочем направлении; в — монолитно связанной с железобетонной балкой в нерабочем направлении; 1 — пролетная рабочая арматура Fa диаметром d; 2 — распределительная арматура; 3 — опорная арматура по расчету, но не менее 1/3Fa; 4 — арматура железобетонной балки; 5 — сварка
3.138. Консольные плиты при вылете консоли до одного метра принимаются постоянной толщины, а при вылете более одного метра сечение плиты консоли может быть переменным: на свободном конце консоли — не менее 50 мм, а в месте заделки — по расчету.
Глубина заделки консольной плиты в стену назначается по расчету и при временной нагрузке до 400 кгс/м2 должна быть не менее:
250 мм — при вылете консоли до 600 мм;
380 мм — при вылете консоли 600 — 1000 мм.
При вылете консоли более 1000 мм или при больших нагрузках необходимо предусматривать специальные мероприятия по анкеровке консоли в стене.
3.139. Консольные плиты армируют, как правило, только верхней арматурой. Консоли, представляющие собой часть одно- или многопролетной плиты, армируются вместе с последними и той же арматурой — сетками или отдельными стержнями.
При армировании консольных плит, имеющих вылет более 1000 мм, допускается (если это рационально с точки зрения унификации позиции и сеток) половину рабочих стержней обрывать на половине вылета консоли.
3.140. Толстые монолитные плиты (например, фундаментные) рекомендуется армировать сварными армоблоками по типу, показанному на рис.
21
.
Устанавливать их следует с разрывом, равным ширине армоблока, а в зазор помещать горизонтальные плоские сварные сетки, из которых собран армоблок. В случае необходимости укладывают также сварные сетки перпендикулярного направления.
Отверстия в плитах
3.141. Отверстия значительных размеров в железобетонных плитах, панелях и т.п. должны окаймляться дополнительной арматурой сечением не менее сечения рабочей арматуры (того же направления), которая требуется по расчету плиты как сплошной (рис.
108
, а).
Отверстия размером до 300 мм специальными стержнями не обрамляются. Вязаная рабочая и распределительная арматура плиты вокруг таких отверстий сгущается — ставятся два стержня с промежутком 50 мм (рис.
108
, б). При армировании плиты сварными сетками рекомендуется такое отверстие вырезать в арматуре по месту.
Отверстия (проемы), если необходимо по расчету, обрамляются армированными ребрами. Размеры и армирование этих ребер зависит от размеров, формы, расположения в плане относительно балок перекрытия, назначения проема и в каждом отдельном случае решаются проектировщиком на основании расчета.
В арматурных чертежах специальные стержни для армирования плиты в пределах размера отверстия, за исключением окаймляющих, как правило, не даются, а на чертеже следует помещать примечание: в пределах отверстия стержни разрезать по месту и отогнуть в тело плиты.
При армировании перекрытия сварными сетками отверстия размером до 500ґ500 мм при раскладке сеток не учитываются, а на чертеже дается примечание: отверстие вырезать по месту.
При больших размерах отверстия сетки раскладываются с учетом отверстий, однако в районе отверстия плиту рекомендуется армировать отдельными стержнями, не нарушая унификации сеток.
Дополнительная арматура, окаймляющая отверстия, должна быть заведена за края отверстия на длину не менее величины нахлестки lн согласно п.
2.46
настоящего Руководства.
Рис. 108. Армирование плит в местах отверстий
а — отверстия размером более 300 мм; б — отверстия размером до 300 мм; 1 — стержни арматуры плиты; 2 — окаймляющие стержни, образованные сгущением арматуры плиты; 3 — стержни специальной окаймляющей отверстие арматуры
Армирование плит в зоне продавливания
3.142. Поперечная арматура, устанавливаемая в плитах в зоне продавливания, должна иметь анкеровку по концам, выполняемую приваркой или охватом продольной арматуры. Расстояние между поперечными стержнями принимается не более 1/3h и не более 200 мм, где h — толщина плиты. Ширина зоны постановки поперечной арматуры должна быть не менее 1,5h.
Руководство по конструированию бетонных и железобетонных конструкций из тяжелого бетона (без предварительного напряжения).
Москва, Стройиздат, 1978 г.
В Руководстве изложены основные принципы конструирования наиболее массовых элементов из тяжелого бетона, а также приведены подробные данные по армированию конструкций, анкеровке и стыковке арматуры, конструированию арматурных изделий и закладных деталей и др.
Конструирование ЖБК
Руководство по конструированию бетонных и железобетонных конструкций из тяжелого бетона (без предварительного напряжения)
Руководство распространяется на конструирование бетонных и железобетонных элементов без предварительного напряжения, выполняемых из тяжелого бетона для зданий и сооружении, эксплуатируемых при систематическом воздействии температур не выше 50 и не ниже минус 70° С.
Руководство ориентировано в основном на проектировщиков, занимающихся конструированием бетонных и железобетонных элементов зданий и сооружений для промышленного строительства. Однако материал Руководства может быть использован и при конструировании элементов конструкций другого назначения.
Руководство содержит положения главы СНиП 11-21-75 и материал, необходимый проектировщикам, занимающимся конструированием бетонных и железобетонных элементов зданий различного назначения, в основном для промышленного строительства. Приведены способы конструирования наиболее распространенных конструкций сборного и монолитного исполнения с армированием как сварными, так и вязаными арматурными каркасами и сетками.
Даются также рекомендации по проектированию арматурных изделий и закладных деталей.
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