| 方钢管混凝土柱内隔板贯通式节点核心区抗震性能的试验研究 |
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| 引用本文： | 徐桂根,聂建国.方钢管混凝土柱内隔板贯通式节点核心区抗震性能的试验研究[J].土木工程学报,2011(8). |
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| 作者姓名： | 徐桂根 聂建国 |
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| 作者单位： | 江苏沪宁钢机股份有限公司;清华大学; |
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| 基金项目： | 国家自然科学基金项目(50438020); 长江学者和创新团队发展计划资助项目(IRT00736) |
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| 摘 要： | 方钢管混凝土柱在建筑结构中已经得到越来越广泛的应用。为研究方钢管混凝土柱与钢-混凝土组合梁(钢梁)连接的内隔板贯通式节点的抗震性能,对10个节点试件进行低周反复荷载试验。在此基础上,对其核心区受力过程、破坏形态、滞回曲线、骨架曲线、延性、刚度退化、强度退化和耗能能力等抗震性能进行较为深入的研究与分析。研究结果表明:节点试件的滞回曲线呈明显的梭形,且非常丰满,耗能能力强;内隔板贯通式节点具有较好的延性和承载力,即使在发生节点破坏的时候,也为延性破坏;节点在整个加载过程中刚度退化明显,强度退化很小,可以在抗震设防地区推广使用。
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| 关 键 词： | 方钢管混凝土柱 内隔板贯通式节点 试验研究 抗震性能 |
Experimental study of connections of concrete-filled square steel tubular columns with continuous diaphragms |
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| Xu Guigen Nie Jianguo.Experimental study of connections of concrete-filled square steel tubular columns with continuous diaphragms[J].China Civil Engineering Journal,2011(8). |
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| Authors: | Xu Guigen Nie Jianguo |
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| Affiliation: | Xu Guigen1 Nie Jianguo2(1.Jiangsu Huning Steel Mechanism Co.,Ltd.,Yixing 214231,China,2.Tsinghua University,Beijing 100084,China) |
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| Abstract: | Concrete-filled square steel tubular columns are more and more widely used in buildings.Ten joints specimens were tested under cyclic loads to investigate the seismic behavior of composite connections with continuous diaphragms.Based on the experiments,the failure pattern,hysteresis curve,skeleton curve,rigidity degradation,strength degradation and energy dissipation capacity,etc.,were studied.The results showed that the energy dissipation capacity,strength and ductility of the connections with continuous d... |
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| Keywords: | concrete-filled square steel tubular column connections with continuous diaphragms experimental study seismic behavior |
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