| 方钢管钢骨高强混凝土轴压柱有限元分析 |
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| 引用本文： | 赵同峰,王连广,安山河,李小朋.方钢管钢骨高强混凝土轴压柱有限元分析[J].东北大学学报(自然科学版),2011,32(7):1041-1043. |
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| 作者姓名： | 赵同峰 王连广 安山河 李小朋 |
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| 作者单位： | 1. 东北大学资源与土木工程学院,辽宁沈阳,110819
2. 沈阳炮兵学院基础部,辽宁沈阳,110162 |
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| 基金项目： | 教育部高等学校博士学科点专项科研基金资助项目(20050145012); 辽宁省科技攻关项目(20060708) |
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| 摘 要： | 为了分析方钢管钢骨混凝土轴压柱的工作机理,采用ANSYS有限元软件对其轴压柱受力进行了全过程数值模拟.结果表明,采用修正的方钢管内核心约束混凝土本构关系模型可以很好地模拟极限承载力及峰值应变;有限单元在发生high distortion以前的下降段与试验曲线变化基本一致,但其后的变形不能代表真实的受力状态.因此,利用ANSYS进行钢管钢骨高强混凝土的弹性与弹塑性分析结构是可行的.
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| 关 键 词： | 方钢管混凝土 轴心受压 本构关系 ANSYS 有限元 |
Finite Element Analysis on Square Tube Filled with Steel Reinforced High-Strength Concrete Subjected to Axial Compression |
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| ZHAO Tong-feng,WANG Lian-guang,AN Shan-he,LI Xiao-peng.Finite Element Analysis on Square Tube Filled with Steel Reinforced High-Strength Concrete Subjected to Axial Compression[J].Journal of Northeastern University(Natural Science),2011,32(7):1041-1043. |
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| Authors: | ZHAO Tong-feng WANG Lian-guang AN Shan-he LI Xiao-peng |
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| Institution: | ZHAO Tong-feng1,WANG Lian-guang1,AN Shan-he2,LI Xiao-peng2(1.School of Resources & Civil Engineering,Northeastern University,Shenyang 110819,China,2.Basic Course Department,Shenyang Artillery Academy,Shenyang 110162,China.) |
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| Abstract: | The properties of square steel tube filled with steel reinforced high-strength concrete were analyzed by using finite element analysis software ANSYS.The results showed that the improved stress-strain model for confined core concrete is fitting for the simulation of bearing capacity and peak strain.The post-peak response shows a good agreement with the test results before high distortion,but the subsequent deformation doesn't accord with the true state.So ANSYS can be employed to analyze steel tube filled w... |
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| Keywords: | concrete-filled square steel tube axial compression constitutive relation ANSYS finite element |
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