Q235钢管支撑强度及稳定性计算

表1外径D=609mm内径d=581mm壁厚t=14mm截面面积A=26169.47mm2轴心压力N=960kN惯性距Ix=1.16E+09mm4施工荷载P=1kN毛截面抵抗距Wnx=3.81E+06mm3弹性模量E=206000Mpa最大弯距Mx=170.25kN·m抗压强度f=215MPa回转半径ix=210.42mm计算跨度L=23.5m长细比λx=94.93稳定性系数ψx=0.588欧拉临界力N′EX=4579.25kN式5.2.1的压应力σ1=75.59MPa式5.2.2的压应力σ2=109.13MPa钢管撑的强度及稳定性计算表==========输入数据====================中间过程==============================最终结果及结论====================满足强度要求满足稳定性要求