计算组合截面扭转和翘曲常数的通用公式


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为了计算系带双I截面的弹性临界力矩,我需要扭转和翘曲常数。是否有通用公式来获得这个?BS 5950仅具有单个I形截面的公式。我尝试使用谷歌搜索,但似乎这些信息并不容易获得。

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