矩形钢管混凝土桁架受压节点承载力*
- 摘 要
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（1长沙理工大学410076； 2长安大学 西安710064； 3湖南省建材设计研究院 长沙 410011）
［提要］ 在矩形钢管混凝土桁架受压节点受力机理试验研究的基础上，提出了矩形钢管混凝土桁架受压节点承载力的计算公式。该公式与试验结果相比，吻合较好，可供工程技术人员设计时参考，并为我国《矩形钢管混凝土结构技术规程》的编制提供了参考依据。［关键词］ 矩形钢管混凝土结构; 矩形钢管结构; 桁架; 节点; 承载力Abstract: According to the experimental research on load transfer mechanism of compression joints of trusses with rectangular steel tube or concrete filled rectangular steel tube，the formula of load bearing capacity of compression joints of trusses with rectangular steel tube or concrete filled rectangular steel tube is presented．Compared with the results of tests，the formula is precise enough，which is helpful to engineers and the compilation of Technical Specification for Structures with Concrete filled Rectangular Steel Tube Members of China．Keywords: truss structures; concrete-filled rectangular steel tube members; joints; load bearing capacity
