| 圆锥形中空夹层钢管约束混凝土短柱轴向局压力学性能分析 |
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| 引用本文： | 任庆新,默亚卿,贾连光,吕艳波.圆锥形中空夹层钢管约束混凝土短柱轴向局压力学性能分析[J].工业建筑,2013,43(4):144-148. |
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| 作者姓名： | 任庆新 默亚卿 贾连光 吕艳波 |
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| 作者单位： | 沈阳建筑大学土木工程学院,沈阳,110168 |
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| 基金项目： | 辽宁省博士启动基金资助项目，建设部科技计划资助项目，国家自然科学基金资助项目 |
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| 摘 要： | 为研究圆锥形中空夹层钢管约束混凝土短柱在轴向局压下的力学性能,建立有限元计算分析模型,并得到试验验证。在此基础上分析钢管与夹层混凝土的组合作用及短柱的破坏形态,同时研究各重要参数对其荷载-位移曲线的影响。
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| 关 键 词： | 圆锥形 中空夹层钢管约束混凝土 短柱 轴向局压 有限元模型 |
ANALYSIS OF CONICAL DOUBLE SKIN STEEL TUBES CONFINED CONCRETE STUB COLUMNS SUBJECTED TO AXIAL PARTIAL COMPRESSION |
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| Abstract: | To study the mechanical behavior of conical double skin steel tubes confined concrete stub columns subjected to axial partial compression,it was set up a finite element analysis(FEA) model and the predicted performances were validated through measured results.Based on the finite element analysis,the interaction between steel tube and sandwich concrete,failure mode,as well as the effect of the main parameters on the load-displacement was analyzed. |
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| Keywords: | conical double skin steel tubes confined concrete stub column axial partial compression finite element model |
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