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多层钢框架半刚性端板连接的试验研究
引用本文:施刚,石永久,王元清,李少甫,陈宏.多层钢框架半刚性端板连接的试验研究[J].清华大学学报(自然科学版),2004,44(3):391-394.
作者姓名:施刚  石永久  王元清  李少甫  陈宏
作者单位:清华大学,土木工程系,北京,100084
基金项目:教育部优秀青年教师资助计划
摘    要:为研究钢结构梁柱端板连接的刚度和承载力特性,对8个不同构造的多层钢框架梁柱端板连接进行了试验研究,分析了端板厚度、螺栓直径、端板加劲肋、柱腹板加劲肋、平齐式和外伸式等因素对节点承载力、转动刚度和极限转动能力的影响。试验结果表明:实际工程中采用的很多端板连接大多属于半刚性连接,在荷载作用下,节点发生明显的转动变形。该文根据试验结果,对端板连接节点提出了设计建议。

关 键 词:钢结构  端板连接  半刚性  节点刚度
文章编号:1000-0054(2004)03-0391-04
修稿时间:2003年8月27日

Experimental study of semirigid end-plate connections in multi-story steel frames
SHI Gang,SHI Yongjiu,WANG Yuanqing,LI Shaofu,CHEN Hong.Experimental study of semirigid end-plate connections in multi-story steel frames[J].Journal of Tsinghua University(Science and Technology),2004,44(3):391-394.
Authors:SHI Gang  SHI Yongjiu  WANG Yuanqing  LI Shaofu  CHEN Hong
Abstract:The loading resistance and rotational stiffness characteristics of steel beam-column end-plate connections were evaluated experimentally using 8 different connections tested to failure with monotonic loadings. The tests reflected the influences of end-plate thickness, bolt diameter, rib stiffener, and column stiffener on the resistance, rotational stiffness and rotation capacity of the end-plate connections. The results show that many end-plate connections used in engineering structures are actually semirigid connections and that joint rotation occurs when loads are applied. New design guidelines were developed to reflect the experimental results.
Keywords:steel structure  end-plate connection  semirigid  joint stiffness
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