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首页> 外文期刊>MATEC Web of Conferences >Method Considered Distortional-local Interaction Buckling for Bearing Capacity of Channels with Complex Edge Stiffeners and Web Stiffeners under Axial Compression
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Method Considered Distortional-local Interaction Buckling for Bearing Capacity of Channels with Complex Edge Stiffeners and Web Stiffeners under Axial Compression

机译：考虑轴压作用下具有复杂边加劲肋和腹板加劲肋的通道的承载力的变形-局部相互作用屈曲方法

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摘要

Using the current direct strengths method to predict the bearing capacity of channels with complex edge stiffeners and stiffeners in the web, it will make the excessively conservative results to the test data for it couldn’t account for the interaction between distortional and local buckling. In order to study the method for bearing capacity of channels with complex edge stiffeners and web stiffeners under axial compression, the paper revised the current direct strengths method and new proposals considered distortional and local interaction buckling were made. The proposed method was verified by the finite element analysis results and the test results. It shows that the member strength predicted by the proposed method is more accurate than the present method and agrees well with the test data. Furthermore, compared with the results of the finite element method and hand method, the hand method for calculating elastic buckling critical stress of web-stiffened lipped channels with complex edge stiffeners was validated.
机译：使用当前的直接强度方法来预测带有复杂边加劲肋和腹板中加劲肋的通道的承载能力，由于它无法考虑变形和局部屈曲之间的相互作用，因此会使测试数据过于保守。为了研究复杂的边缘加劲肋和腹板加劲肋在轴向压缩下的承载力方法，修改了现行的直接强度方法，并提出了考虑变形和局部相互作用屈曲的新建议。有限元分析结果和测试结果验证了该方法的有效性。结果表明，所提方法预测的构件强度比本方法更为准确，与试验数据吻合良好。此外，与有限元法和人工法的计算结果进行了比较，验证了利用人工法计算具有复杂边缘加强筋的腹板加筋唇形通道的弹性屈曲临界应力。

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