63 图示梁EI=常数,B点竖向位移为<img src='https://img2.soutiyun.com/latex/latex.action' />,单元杆端力向量为哪一个?( )

A.<img src='https://img2.soutiyun.com/latex/latex.action' /><img src='https://img2.soutiyun.com/latex/latex.action' /><img src='https://img2.soutiyun.com/latex/latex.action' /><img src='https://img2.soutiyun.com/latex/latex.action' /><sup>T</sup> B.[-ql<img src='https://img2.soutiyun.com/latex/latex.action' />0<img src='https://img2.soutiyun.com/latex/latex.action' />]<sup>T</sup> C.[-ql<img src='https://img2.soutiyun.com/latex/latex.action' />0<img src='https://img2.soutiyun.com/latex/latex.action' />]<sup>T</sup> D.[ql<img src='https://img2.soutiyun.com/latex/latex.action' />0<img src='https://img2.soutiyun.com/latex/latex.action' />]<sup>T</sup> <img src='https://img2.soutiyun.com/ask/5079001-5082000/7067e6ed97e132fd3df01f448782bb2e.jpg' />

时间:2023-01-28 15:27:47

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