• 2021-04-14
    T形截面铸铁梁的荷载和截面尺寸如图所示, 铸铁的许用拉应力为 [st] = 30MPa ,许用压应力为[sc] =160MPa. 已知截面对形心轴z的惯性矩为Iz=763cm4 , y1 =52mm,校核梁的强度。88563acadfd34c6b40c6ae5fb15922c6.png
  • 举一反三