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钢框架结构节点支撑连接方式以板式连接为主,其设计具有不同于GB50017-2003《钢结构设计规范》中规定的普通钢结构节点板的特殊性。建立钢框架结构连接支撑的典型节点有限元模型,进行节点板受压性能分析,总结了节点板厚度、无支长度、支撑连接角度和加劲板厚度对节点受力的影响规律。结果表明,节点板厚度和无支长度对于节点板受压性能影响较大,支撑连接角度影响较小。
Steel frame structure of the node support connection to plate-based connection, the design has a different from the GB50017-2003 “Steel Design Code” specified in the ordinary steel structure of the node board special. The finite element model of the typical joint of steel frame structure support was established. The compression behavior of the joint plate was analyzed. The influence of joint thickness, unsupported length, supporting connection angle and stiffener thickness on the joint force was summarized. The results show that the thickness of the joint plate and the length of the unsupported joint have a great influence on the compression performance of the joint plate, and the influence of the support connection angle is small.