The mechanical behavior of steel webs with negative bending was studied with combined stress loads of flexure, axial pressure and shear to prevent local buckling in continuous composite beams.

为避免钢混凝土连续组合梁发生局部失稳，对负弯区钢梁腹板在弯曲应力、轴向压应力和剪应力联合作用下的力学性能进行了研究。

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This paper describes the failure mechanisms based on shear, compression, tension and flexure, analyzes characteristics and problems of those models and then discusses the future trend.

本文介绍纺织结构复合材料在剪切、压缩、拉伸和弯曲情况下的破坏机理，分析其特点和存在的问题，提出了发展趋向。

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Owing to the existing warping torsion, it has been rather difficult to make a theoretical and experimental study of the prestressed concrete I -beams under combined mixed torsion. flexure and shear.

弯、剪、扭复合作用下的予应力工字梁，由于翘扭变形的存在，使得对它进行理论研究和实验研究非常困难。

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