| 方形钢管混凝土中核心混凝土的本构关系 |
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| 引用本文： | 叶柏龙,吴奇超. 方形钢管混凝土中核心混凝土的本构关系[J]. 山西建筑, 2014, 0(12): 19-21 |
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| 作者姓名： | 叶柏龙 吴奇超 |
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| 作者单位： | 中南大学土木工程学院,湖南长沙410083 |
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| 基金项目： | 中央财政2012年科技成果转化资金（项目编号：[财建2012]258号）;国家创新基金项目（项目编号：11C26214305383） |
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| 摘 要： | 鉴于钢管对方形钢管混凝土柱约束作用所呈现不均匀的特点,采用体积的核心混凝土强、弱约束区划分方法,建立了适用于普通方形钢管混凝土和带约束拉杆方形钢管混凝土中核心混凝土本构关系,用大型通用软件ANSYS对短柱试件的轴压试验进行了模拟,有限元结果与试验结果吻合良好。
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| 关 键 词： | 方形钢管混凝土 核心混凝土 本构关系 有限元分析 |
Constitutive relationship of core concrete in square CFT |
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| YE Bo-long,WU Qi-chao. Constitutive relationship of core concrete in square CFT[J]. Shanxi Architecture, 2014, 0(12): 19-21 |
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| Authors: | YE Bo-long WU Qi-chao |
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| Affiliation: | (School of Civil Engineering South Central University, Changsha 410083, China) |
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| Abstract: | Given the constraint function of steel tube for square CFT shows the characteristics of uneven, the core concrete is divised by volume into the strong and weak area, set up suitable constitutive relationship for ordinary square CFT and square CFT with binding bars. The axial com- pression test was simulated to stub columns with the ANSYS software, and the finite element analysis agree well with the experimental results. |
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| Keywords: | square CFT the core concrete constitutive relationship the finite element analysis |
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