门式刚架转角节点构造设计研究

Research of construction design on corner joints of gabled frames

为了明确门式刚架转角节点的构造设计,对门式刚架转角节点的受力机理进一步探讨是非常必要的。通过在门式刚架转角节点处设置斜向加劲肋和无斜向加劲肋的试件进行对比和有限元分析,得出了一些有益的结论。研究结果表明,在转角节点处设置斜向加劲肋,可以提高试件的承载力。工程中,当外翼缘受拉时,建议在转角节点处设置斜向加劲肋,以防止结构失稳,并能有效地改善结构的延性。

In order to clear constructional design of corner joint,it is necessary to further investigate mechanical property of corner joint in gabled frames. Through static test and finite element method analysis of comparing the panel zone with and without the inclined stiffener. Contrasting,some conclusions are given in the paper. The results reveal that in the gabled frames,the corner node with the inclined stiffening rib can improve the bearing capacity of the specimens. When the extraterritorial flange is tension,the erection of the inclined stiffening rib can prevent structural failure and improve effectually the ductility of the structure.