筏板冲切计算.xls

文档介绍：1数据输入轴力Fl(kN)柱宽bc(mm)柱长hc(mm)筏板厚h(mm)筏板有效厚h0(mm)不平衡弯矩Munb(KN*m)中柱抗震系数γRE混凝土应力ft(N/mm2)=Fl/(μm*h0)+αs*Munb*cAB/Is=<[τmax]=[τmax]=(+)βhp*ft==2c1+2c2=15600mmIs=c1h0^3/6+c1^3h0/6+c2h0c1^2/2=+12++13++13=+13mm4c1=hc+h0=3900mmc2=bc+h0=3900mmcAB=c1/2=1950mmτmax=Fl/(μm*h0)+αs*Munb*cAB/Is=+=[τmax]=(+)βhp*ft==hc/bc=2取[h]=1000βhp==2c1+c2=9800mmIs=c1h0^3/6+c1^3h0/6+2h0c1(c1/2-x)^2+c2h0x^2=+12++12++12++12=+13mm4c1=hc+h0/2=2950mmc2=bc+h0=3900mmcAB=c1-x=2062mmx=c1^2/(2c1+c2)==Fl/(μm*h0)+αs*Munb*cAB/Is=+=[τmax]=(+)βhp*ft==h