落地式鋼管腳手架施工方案

2 2 3 4 5 5 5 (GB50204-2002) JGJ130-2001)3315001500150015001500150015000000000000000510051005100510051150015001500150015001114001000300206080608環(huán)預(yù)埋0505230080300LL40×40×4角鋼滿鋪腳手板建筑物外輪廓線I14工字鋼20厚膠合板5505005005000005000250500500500500500bazs1212)Mqlql21max121max:M=-0.10ql2-0.117ql22max122maxν=(0.677ql4+0.990ql4)/100EImax12112212M=ql2/8qmax:qmaxMpmax=Pl/3:pmaxMMM9kN·qmaxpmaxν=5ql4/384EIqmaxqmax12ν=Pl(3l2-4l2/9)/72EIpmaxpmaxν=ν+ν=0.02+2.449=2.469mm；qmaxpmax1000/150=6.667:Rc123G1G2G3GS4N=N+N+N+N=12.2405kN；GSGS1GS2GS3GS4QkNsGSQN'=1.2N+1.4N=1.2×12.2405+1.4×4.5=20.9886kN；sGSQ1=arctg[3.00/(1.00+0.30)]=66.57度12x111222111222[Fg]=T=11.718kN。1gggmmkzs0(GB50009-2001)的00(GB50009-2001)zzs:mk1k2Ww1k1aw2k2aσ=N/(φA)+M/W≤[f]Wd：N=N'=7.506kN；d：i=1.58cm；(JGJ130-2001)00l=2.599m；0o：φ=0.262N=N+Nllw0zs0kzs5=0.076kN/m2；0A=13.5m2；w0lwkwllw0fA=4.89cm2；[f]=205N/mm2；flfl；第二節(jié)卸料平臺設(shè)計計算:dWx=77.53cm3,b=74.0mm,h=126.0mm,t=8.4mmQ=0.79×0.50=0.395kN/m；1231231.615kN；Μ=ql2+pl4=Mσ=53.15N/mm2bb=1.65Wx=102.00cm3,b=80.0mm,h=140.0mm,t=9.1mm1M=×6.651×3.32=9.054kN.mα=arctan3.0/3.3=42.270sinα=0.673,cosα=0.74RT=B=14.299÷0.673=21.247kNNM+xfnxxxnNM+mxxfxAyW(10.8N)xlxN'ExXxxllxixExxK=F[K]TNflttmmt15.723KN,l=100mm,t=5mm,則mH0H0當(dāng)小橫桿與樓層面不平時做法當(dāng)小橫桿與樓層面相平時做法下4681015(m)長組副組副組員：蔡組員：林組員：曾組員：雷組員：雷組員：?。?塌2災(zāi)3人或撞注