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低周反复荷载作用下矩形钢管混凝土柱与钢梁连接节点的受力性能
引用本文:林于东,林杰,宗周红.低周反复荷载作用下矩形钢管混凝土柱与钢梁连接节点的受力性能[J].地震工程与工程振动,2004,24(4):62-69.
作者姓名:林于东  林杰  宗周红
作者单位:福州大学,土木建筑工程学院,福建,福州,350002
基金项目:福建省自然科学基金项目(E0110016),福建省建设厅科技项目(JK2001-04),福州大学科技发展项目(XKJ(QD)00-13)
摘    要:本文进行了2种矩形钢管混凝土柱与钢梁连接节点——翼缘全螺栓(BFP)连接节点与外加强环(WFP-BW)连接节点在柱端低周反复荷载作用下的抗震性能试验,分析比较了这2类节点与焊接翼缘板(WFP)连接节点在不同轴压比下的滞回性能、强度与刚度退化、延性比与耗能比、破坏机理与破坏特征,得出了一些有参考价值的结论。

关 键 词:矩形钢管混凝土  梁柱节点  滞回性能、延性  强度与刚度退化
文章编号:1000-1301(2004)04-0062-08

Behavior of connections of rectangular concrete-filled steel tubular column with steel beam subjected to reversed low cyclic loading
Lin Yudong,Lin Jie,Zong Zhouhong.Behavior of connections of rectangular concrete-filled steel tubular column with steel beam subjected to reversed low cyclic loading[J].Earthquake Engineering and Engineering Vibration,2004,24(4):62-69.
Authors:Lin Yudong  Lin Jie  Zong Zhouhong
Abstract:An experimental investigation into the seismic behavior of composite concrete-filled rectangular steel tubular column with steel beam was conducted. Two kinds of connections, namely bolted flange plate (BFP) connection and welded flange plate-bolted web (WFP-BW) connection, were tested under reversed low cyclic loading at the ends of columns. This paper presents the relationships between force and displacement at the end of column, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility ratio and energy dissipation ratio, failure mechanism and failure characteristics of these two connections, and compares them with that of the welded flange plate (WFP) connections under different axial-compression ratios.Some valuable conclusions are drawn from the comparisons.
Keywords:Concrete-filled rectangular steel tubular  Column to beam connection  Cyclic-behavior  Ductility  Degradations of strength and stiffness
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