• 2022-06-19
    图示结构,各杆EI相同且为常数,其弯矩图大致形状为( )。[img=133x131]18030600cb0ee64.jpg[/img]
    A: [img=110x107]18030600d538640.jpg[/img]
    B: [img=99x103]18030600dfe4b15.jpg[/img]
    C: [img=123x115]18030600ea65fb2.jpg[/img]
    D: [img=116x111]18030600f58c79f.jpg[/img]