图示的对称结构受对称荷载作用,各杆i为常数,取半边结构计算时,在左半边结构中,弯矩分配系数u<sub>AB</sub>等于:( )

A.<img src='https://img2.soutiyun.com/latex/latex.action' />B.<img src='https://img2.soutiyun.com/latex/latex.action' />C.<img src='https://img2.soutiyun.com/latex/latex.action' />D.<img src='https://img2.soutiyun.com/latex/latex.action' /> <img src='https://img2.soutiyun.com/ask/5079001-5082000/d01f7ed2424c5351cf91a9c7e5b3657d.jpg' />

时间:2023-02-02 16:41:17

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