As structural component, square hollow steel sections have favorable properties for resisting compression, bending and torsion.
方管作为结构构件，在压、弯、扭方面具有优越的性能。
Design equations of cold-formed stainless steel square and rectangular hollow sections subjected to web crippling are proposed in this paper.
本文给出了冷成型不锈钢方钢管和矩形钢管在腹板屈曲时的设计公式。
The structures made of square hollow steel sections by using the directly welded joints are fabricated easily and economically, which can be found in many applications all over the world.
由方管直接焊接组成的结构，节点构造简单，加工方便，造价较低，在国内外已被广泛应用到各种工程领域。
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