建筑结构

2008, No.291(03) 52-54+120

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剪力连接度对钢-混凝土组合梁抗震性能的影响
Effect of Shear Connection Degree on Seismic Resistant Performance of Steel-concrete Composite Beams

蒋丽忠;余志武;曹华;刘仲武;
Jiang Lizhong,Yu Zhiwu,Cao Hua,Liu Zhongwu(Civil Arch.Eng.College,Central South Universty,Changsha 410075,China)

摘要(Abstract):

报道了9根不同剪力连接度钢-混凝土组合梁(5根简支组合梁,4根连续梁)的低周竖向反复荷载部分试验研究结果。对钢-混凝土组合梁的破坏形态、滞回规律、耗能能力、刚度退化规律等抗震性能进行了深入的分析,重点探讨了不同剪力连接度对钢-混凝土组合梁抗震性能的影响。
The test results of seismic resistant performance of steel-concrete composite beams under cyclic points concentrated loads are introduced including five single-span steel-concrete composite beams and four two-span steel-concrete composite continuous beams(5 SCB and 4 CCB).It deeply analyzes the difference of the failure mode,load and deformation curve,ductility,the degradation of strength and rigidity,deformation-rehabilitation capacity etc.The effect of shear connection degree is researched on the seismic resistant performance of steel-concrete composite beams.

关键词(KeyWords): 钢-混凝土组合梁;抗震性能;剪力连接度;试验研究
steel-concrete composite beam;seismic resistant performance;shear connection degree;experimental research

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(50208018)

作者(Author): 蒋丽忠;余志武;曹华;刘仲武;
Jiang Lizhong,Yu Zhiwu,Cao Hua,Liu Zhongwu(Civil Arch.Eng.College,Central South Universty,Changsha 410075,China)

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DOI: 10.19701/j.jzjg.2008.03.012

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