板型YX70-200-600上部砼厚80板宽600mm砼强度fc9.6波高70mm砼强度ft1.1波距200mmEc25500板厚t1mm钢筋强度fy210板材自重0.131kg/㎡组合厚度150惯性矩I100.64cm4/m抵抗矩W27.37cm3/m强度设计值f205N/mm2Q235B形心到板底的距离ht41mm次梁间距3mWs124.55恒载2.65KN/㎡Ws234.70活载1.5KN/㎡min(Ws)24.55荷载5.51KN/㎡=1.2恒+1.4活Mu5.03max(M)5.03M跨中3.97KN.m=0.08*荷载*跨度^2M支座4.96KN.m=0.1*荷载*跨度^2lo/18016.67V支座9.92KN=0.6*荷载*跨度ω11.58min(ω)11.58次梁间距3m有效高度ho109恒载3.73KN/㎡活载2.50KN/㎡荷载8.60KN/㎡=1.35恒+1.4活M跨中9.67KN.m=1/8*荷载*跨度^2(简支)M支座7.74KN.m=1/12*荷载*跨度^2(固结)V支座15.47KN=0.6*荷载*跨度塑性板设计,不考虑最不利活载布置四、压型板验算(施工阶段)max(M)=Mu时,抗弯验算满足。min(M)=ω时,挠度验算满足。六、压型板验算(施工阶段)二、钢筋混凝土的性质一、楼承板的性质三、施工阶段内力计算弹性板设计,不考虑最不利活载布置五、使用阶段内力计算mmN/mm2N/mm2N/mm2N/mm2HPB235mmcm3Ws1=I/htcm3Ws2=I/(h-ht)cm3min(Ws1,Ws2)KN.mMu=min(Ws)*fKN.mmax(Mu,M跨中,M支座)mmmmω=1/140*(恒+活)*lo^4/(EI)mmmin(ω,lo/180)mmho=波高+砼厚-ht四、压型板验算(施工阶段)max(M)=Mu时,抗弯验算满足。min(M)=ω时,挠度验算满足。六、压型板验算(施工阶段)C20二、钢筋混凝土的性质