本文介绍了用广义坐标法推导的梯形截面箱梁约束扭转计算的基本微分方程；

Using the generalized coordinates method, fundamental equations for the restrained-torsion of thin-walled box girders of trapezoidal cross section are derived.

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本文介绍了用广义坐标法推导的梯形截面箱梁约束扭转计算的基本微分方程；

Using the generalized coordinates method, fundamental equations for the restrained-torsion of thin-walled box girders of trapezoidal cross section are derived.

youdao