| CFST柱—RC环扁梁节点性能试验 |
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| 引用本文： | 代红军,季韬.CFST柱—RC环扁梁节点性能试验[J].西南科技大学学报,2008,23(4). |
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| 作者姓名： | 代红军 季韬 |
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| 作者单位： | 福州大学土木工程学院,福建福州,350002 |
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| 摘 要： | 进行了钢管混凝土（CFST）柱-钢筋混凝土（RC）环扁梁节点的静载和低周反复荷载试验，分析了节点的破坏形态、延性、耗能能力等性能。试验结果表明，钢管混凝土核心区未发生屈服破坏情况；对于静载，塑性铰产生于扁梁和环扁梁交界处，对于低周反复荷载，塑性铰产生于环扁梁上；环扁梁与钢管混凝土柱间未发现明显滑移现象。节点连接可靠，具有较好的延性以及耗能能力，能够满足延性抗震设计要求。
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| 关 键 词： | 抗震性能 延性 耗能能力 钢管混凝土 环扁梁 节点 |
Experimental Study on Concrete Filled Steel Tubular Column-reinforced Concrete Ring Flat Beam Joints |
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| DAI Hong-jun,JI Tao.Experimental Study on Concrete Filled Steel Tubular Column-reinforced Concrete Ring Flat Beam Joints[J].Journal of Southwest University of Science and Technology,2008,23(4). |
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| Authors: | DAI Hong-jun JI Tao |
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| Institution: | DAI Hong-jun,JI Tao(College of Civil Engineering,Fuzhou University,Fuzhou 350002,Fujian,China) |
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| Abstract: | Based on the experiments of concrete filled steel tubular(CFST) column-reinforced concrete ring flat beam Joints under static loading and quasi-static cyclic loading,the failure pattern,ductility and energy-dissipation capacity of the joints were analyzed.The test results reveal that the joint core of CFST columns is integral;for the static loading test,the plastic hinges appear at the interface between ring flat beams and flat beams,and for the quasi-static cyclic loading test,the plastic hinges appear at ... |
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| Keywords: | Seismic resistant performance Ductility Energy-dissipation capacity Ring flat beam Joints |
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