| 偏心水平荷载下内藏钢桁架混凝土核心筒抗震试验研究 |
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| 引用本文： | 常卫华,曹万林,张建伟,赵长军.偏心水平荷载下内藏钢桁架混凝土核心筒抗震试验研究[J].世界地震工程,2007,23(4):112-118. |
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| 作者姓名： | 常卫华 曹万林 张建伟 赵长军 |
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| 作者单位： | 北京工业大学,城市与工程安全减灾省部共建教育部重点实验室,北京,100022 |
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| 基金项目： | 北京市自然科学基金;国家自然科学基金;北京市属市管高校拔尖创新人才项目;北京市新世纪百千万人才基金 |
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| 摘 要： | 对两个1／6缩尺的核心筒结构模型进行了偏心水平荷载作用下的低周反复荷载试验研究，其中包括一个普通混凝土核心筒和一个内藏钢桁架混凝土组合核心筒。在试验的基础上，分析了两个试件的承载力、刚度、延性、滞回特性、耗能能力、破坏特征以及抗震机理。试验研究表明：偏心水平荷载作用下，内藏钢桁架混凝土组合核心筒比普通混凝土核心筒抗震能力显著提高。
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| 关 键 词： | 钢筋混凝土 钢桁架 核心筒 偏心加载 抗震性能 |
| 文章编号： | 1007-6069（2007）04-0112-07 |
| 收稿时间： | 2007-06-23 |
| 修稿时间： | 2007-10-16 |
Experiment study on seismic behavior of RC composite core walls with concealed steel truss under eccentric horizontal loading |
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| CHANG Wei-hua,CAO Wan-lin,ZHANG Jian-wei,ZHAO Chang-jun.Experiment study on seismic behavior of RC composite core walls with concealed steel truss under eccentric horizontal loading[J].World Information On Earthquake Engineering,2007,23(4):112-118. |
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| Authors: | CHANG Wei-hua CAO Wan-lin ZHANG Jian-wei ZHAO Chang-jun |
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| Abstract: | In this paper, two 1/6 scale core walls including a normal reinforced concrete core wall and a reinforced concrete composite core wall with concealed steel truss were designed. The experimental study on the seismic behavior of two core walls subjected to eccentric horizontal loading was carried out. The load-carrying capacity, stiffness, ductility, hysteretic behavior , energy dissipation and failure mechanism of the core walls are discussed. The tested results are shown that the seismic performance of the core wall is improved greatly with the concealed steel truss. |
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| Keywords: | reinforced concrete steel truss core walls eccentric loading seismic performance |
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