Seismic Behavior of Hybrid Concrete Beam-Column Connections with Composite Beams and Cast-in-Place Columns

被引：8

作者：

Xue, Weichen ^{[1
]}

Zhang, Bin ^{[2
]}

机构：

[1] Tongji Univ, Shanghai 200092, Peoples R China

[2] Tongji Univ, Dept Bldg Engn, Shanghai 200092, Peoples R China

来源：

ACI STRUCTURAL JOURNAL | 2014年 / 111卷 / 03期

关键词：

concrete composite beams with precast U-shaped beams; cyclic loading; energy dissipation; hybrid concrete beam-column connection; restoring force model; PRECAST CONCRETE; FRAMES; TESTS; SUBASSEMBLAGES;

D O I：

10.14359/51686577

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The objective of this study is to develop a new type of moment-resisting hybrid beam-column connections that are economical and could be easily constructed. The new type of moment-resisting hybrid concrete beam-column connections proposed for the seismic region consisted of cast-in-place (CIP) concrete columns and composite concrete beams with precast U-shaped beams. An experimental study of two full-scale hybrid concrete beam-column connections with composite beams and CIP columns, including an exterior and interior connection and two control CIP connections under reversed cyclic loading, is presented. Results revealed that two hybrid concrete beam-column connections, as expected, exhibited a strong-column/weak-beam failure mechanism, and were capable of matching the performance of monolithic connections. Test specimens behaved in a ductile manner, and exhibited stable hysteresis loops. The difference in load-carrying capacity between the hybrid concrete connections and their control specimens was less than 10%. A restoring force model was developed based on the test results.

引用

页码：617 / 627

页数：11

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