预应力挠度计算表格

矩形截面预应力梁挠度计算表格砼等级C15C20C25C30C35C40C45C50C55C60C65C70C75C80ftk1.271.541.782.012.202.392.512.642.742.852.932.993.053.11Ec2.202.552.803.003.153.253.353.453.553.603.653.703.753.80Es=1.55梁宽梁高hoAsA'sApftkEcσpc标准Mk准永久MqMcrBsBb(mm)h(mm)mmcm2cm2cm2MPax104MPaMpakN*mkN*mkN*mN*mm2N*mm212YKL1-1400100096035.035.016.82.203.1515.001500.01400.00.0131.271186.40.796.00E+143.57E+142345678910梁宽梁高Ec弹性挠度塑性挠度计算跨度反拱值b(mm)h(mm)x104MPafo(mm)f(mm)Lo(m)v(mm)12YKL1-140010003.152.9412.035.310.010.03953002345678910规范限值L/(f-v)工程名称计算公式：B=MkBs/(Mq(θ-1)+Mk)，Bs=0.85EcIo/(kcr+w(1-kcr)),Bo=Ecbh3/12,Mcr=(σpc+rftk)bh2/6θ=2.0-0.4ρ'/ρ=2.0-0.4A's/As,kcr=Mcr/Mk,w=1+0.21/ρaE,γ=(0.7+120/h)γmγ序号业务号N*mm2N*mm2x104MPa210000γm=1.05E+153.57E+14满足是否满足规范要求Mpakcr续上表序号梁编号BoBBo/B梁编号ρ设计校对审核审定日期年月日矩形截面预应力梁挠度计算表格砼等级C15C20C25C30C35C40C45C50C55C60C65C70C75C80ftk1.271.541.782.012.202.392.512.642.742.852.932.993.053.11Ec2.202.552.803.003.153.253.353.453.553.603.653.703.753.80Es=1.55梁宽梁高hoAsA'sApftkEcσpc标准Mk准永久MqMcrBsBb(mm)h(mm)mmcm2cm2cm2MPax104MPaMpakN*mkN*mkN*mN*mm2N*mm212YKL1-1400100096035.035.016.82.203.1515.001500.01400.00.0131.271186.40.796.00E+143.57E+142345678910梁宽梁高Ec弹性挠度塑性挠度计算跨度反拱值b(mm)h(mm)x104MPafo(mm)f(mm)Lo(m)v(mm)12YKL1-140010003.152.9412.035.310.010.03953002345678910梁编号ρMpakcr续上表序号梁编号是否满足规范要求满足1.05E+153.57E+14BoBBo/BN*mm2N*mm2x104MPa210000γm=规范限值L/(f-v)工程名称计算公式：B=MkBs/(Mq(θ-1)+Mk)，Bs=0.85EcIo/(kcr+w(1-kcr)),Bo=Ecbh3/12,Mcr=(σpc+rftk)bh2/6θ=2.0-0.4ρ'/ρ=2.0-0.4A's/As,kcr=Mcr/Mk,w=1+0.21/ρaE,γ=(0.7+120/h)γmγ序号业务号设计校对审核审定日期年月日