• 2022-07-28
    图示刚架中,杆件长度均为l,各杆EI 相同,则A点的水平位移为( )。[img=849x412]1803dacb9ca2464.jpg[/img]
    A: [img=122x33]1803dacbab170ce.png[/img]
    B: [img=121x34]1803dacbb43e76d.png[/img]
    C: [img=123x29]1803dacbc331fa3.png[/img]
    D: [img=119x30]1803dacbd0d093a.png[/img]