用力矩分配法计算图示连续梁,已知弯矩分配系数<img src='https://img2.soutiyun.com/latex/latex.action' />,则最后杆端弯矩M<sub>B</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/fc2c088d97da0b75e3401ffbcafded30.jpg' />

时间:2023-01-26 07:30:53

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