• 2022-06-07
    如图所示两端固定的等截面单跨超静定梁,其线刚度为i。当A、B两端截面同时发生图示转角以及荷载F作用在中点C时,则A端的杆端弯矩为()[img=140x70]1803a1eb50c8b47.jpg[/img]
    A: MAB =2iθ-Fl/8
    B: MAB =4iθ-Fl/8
    C: MAB =6iθ-Fl/8
    D: MAB =10iθ-Fl/8