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钢梁腹板开洞的压型钢板组合梁的承载力较未开洞组合梁有所下降,一般的组合梁在弯矩和剪力最大处发生破坏。但开洞组合梁的破坏不仅发生在这些地方,而且还会发生在洞口处。文章着重介绍钢梁腹板开洞的压型钢板组合梁承载力的计算方法,并讨论了其存在的不足。
The bearing capacity of the compression-steel-plate composite beam with steel beam web opening is lower than that of the un-opened composite beam, and the general composite beam is damaged at the maximum bending moment and shear force. However, the failure of the composite beam of open holes occurs not only in these places, but also in the openings. This paper focuses on the calculation method of bearing capacity of the composite plate beam with steel plate girder web openings and discusses its shortcomings.