PE现场机柜间抗爆荷载计算书

70/----SH/T31602009B34.2mL25.2mH7.7m2m0.6m-2.0m5.7mH=5.7--2.0=7.7mPs022.4kPatd80.9ms=0.081sPatmkPa101.33kPaUm/s34510.0083Ps00.5375.7m/sq0kPa2.5Ps02/7PatmPs02.522.427101.3322.4=1.71kPaLwmUtd375.7X0.081=30.43m1Pr20.0073Ps0Ps020.007322.422.4=48.46kPaCd=1.00PsPs0Cdq0=22.411.71=24.11kPaS=7.7m(H0.5B)tc3S/U=37.7375.7=0.061std0.081stctdtc0.061sIw0.5PrPs)tc0.5Pstd=0.548.4624.110.0610.524.110.0811.72kPa.ste=2Iw/Pr=21.7248.46=0.07s2Cd=0.40Lw/L30.4325.2=1.212Ce0.59trL/U=25.2375.7=0.067sPaCePs0Cdq0=0.5922.40.41.71=12.53kPa310Cd=0.40Lw/L30.4325.2=1.272Ce0.59trL/U=25.2375.7=0.067sPaCePs0Cdq0=0.5922.40.41.71=12.53kPa4Cd=0.40Lw/L30.4334.2=0.892Ce0.51S=7.70mtaB/U=25.2375.7=0.067strbs=S/U7.7375.7=0.02sPbCePs0+Cdq0=0.5122.40.401.71=10.74kPa1d=300mmC30fc=14.3N/mm2ft=1.43N/mm2fdy=SIF*DIF*fy=1.1x1.05x300=386N/mm2fdc=SIF*DIF*fc=1.0x1.19x14.3=17N/mm2fdt=SIF*DIF*ft=1.0x1.19x1.43=1.7N/mm216@150As=1340mm2Ig=121bh3=1/12x103x(300)3=2.25x109mm4Icr=31bc3+nAs(d-c)2=0.59x108mm4n=ES/EC=2.0x105/3.0x104=6.67C=bbdnAsnAsnAs)2(=64.8mmIg=0.5(Ig+Icr)=1.42x109mm4K=35384LIEc=0.72x104N/mmx=bfAsfdcdy=30.42a=70MP=fdyAs(d-x/2)=386x1340x(265-70/2)=119x106N.mmRb=LMp8=134.1KNVn=0.7fdtbh0=0.7x1.7x1000x265=315.4KNRS=05.0hLLVn=677.4KNRb=123.6KNRsb=681.7KNRu=Rb=134.1KN1KL=0.64C30E=3x104N/mm2B(=1000mmH(=300mmI=BH3/12=2250000000mm4k(=384EI/5L3=14480447N/mL(=7100mmKm=0.5m=5325kgME=Kmm=2662.5kgTN=2Me/KL*k)0.5=0.337s=337msP48.46kPaXm/Xy3Td/TN0.24a215Rd2(0.637)dPR15.17kPa1Rb=Ra=ql/2=53.87KNMmax=ql2/8=95.6KN.mMu=fdyAs(h.-as)=386x1340x(265-35)=119x106N.mm=119KN.mMmax2VbVuVu=0.7fdtbh0=315KNVu=315KNVb=53.87KN180.2tan0Lacr=5ql4/384EI=5x15.17x10-3x71004/(384x3x104x2.25x109)=0.0067mm0.0062180x71000067.0x2tan180.2tan0acrLacr[]=2