| 矩形钢管混凝土框架节点与其他节点的比较研究 |
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| 引用本文： | 高春彦,李斌. 矩形钢管混凝土框架节点与其他节点的比较研究[J]. 工业建筑, 2009, 0(Z1) |
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| 作者姓名： | 高春彦 李斌 |
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| 作者单位： | 内蒙古科技大学建筑与土木工程学院; |
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| 基金项目： | 内蒙古自然科学基金资助(200711020701);;包头科技攻关项目(2006z1004);;内蒙古教育厅资助(NJ06141) |
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| 摘 要： | 通过3个全矩形钢管混凝土框架节点(外加强环)模型的拟静力试验,以轴压比和梁柱线刚度比为参数,研究了该类框架节点的滞回曲线、延性、强度与刚度退化、耗能能力、破坏机理及其破坏特征,考察了轴压比、梁柱线刚度比等参数对节点受力性能的影响规律。结论表明:全矩形钢管混凝土框架节点的滞回曲线饱满,耗能能力强;强度与刚度退化缓慢;在达到极限荷载后具有良好的延性和后期变形能力,满足延性节点的要求。经与钢筋混凝土框架、组合结构框架及钢框架节点抗震性能的比较可知,全钢管混凝土框架节点具有较好的受力性能和抗震能力,研究成果可用于指导钢管混凝土结构的工程实践。
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| 关 键 词： | 矩形钢管混凝土 框架节点 拟静力试验 滞回性能 延性和耗能 |
THE COMPARISON BETWEEN THE CONCRETE-FILLED RECTANGULAR STEEL TUBULAR FRAME JOINTS AND OTHER JOINTS |
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| Gao Chunyan Li Bin. THE COMPARISON BETWEEN THE CONCRETE-FILLED RECTANGULAR STEEL TUBULAR FRAME JOINTS AND OTHER JOINTS[J]. Industrial Construction, 2009, 0(Z1) |
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| Authors: | Gao Chunyan Li Bin |
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| Affiliation: | School of Architecture & Civil Engineering;Inner Mongolia University of Science & Technology;Baotou 014010;China |
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| Abstract: | Through quasi-static test of three concrete-filled rectangular steel tubular(CFRST)frame joint(exterior stiffened ring) models,taking the axial compression ratio and beam-column linear stiffness ratio as parameters,the hysteretic curve,ductility,degradation of strength and stiffness,failure mechanism and characteristics are researched,the influence of the axial compression ratio and beam-column linear stiffness ratio on mechanical behavior of joint is studied.The results indicate that the CFRST frame joints... |
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| Keywords: | concrete filled rectangular steel tube frame joint quasi-static test hysteretic behavior ductility and energy dissipation |
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