| 方钢管混凝土轴压短柱承载力非线性有限元分析 |
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| 引用本文： | 张继承,卢海林.方钢管混凝土轴压短柱承载力非线性有限元分析[J].长江大学学报,2007,4(4):125-128. |
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| 作者姓名： | 张继承 卢海林 |
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| 作者单位： | 长江大学城市建设学院,湖北,荆州,434023;同济大学土木工程学院,上海,200092;长江大学城市建设学院,湖北,荆州,434023 |
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| 摘 要： | 采用大型通用有限元分析程序ABAQUS进行了方钢管混凝土轴压短柱力学性能模拟,分析了各个阶段构件的承载能力。结果表明:有限元计算的极限荷载和荷载-平均纵向应变曲线与试验结果符合较好,说明网格划分、边界条件、材料本构关系的选取基本正确,适用于钢管混凝土短柱的非线性分析。
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| 关 键 词： | 方钢管混凝土柱 有限元分析 轴压 极限承载力 |
| 文章编号： | 1673-1409（2007）04-N125-04 |
| 收稿时间： | 2007-08-22 |
Nonlinear Finite Element Analyses of Concrete-filled Rectangular Steel Tubular Columns under Axial Compressive Load |
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| ZHANG Ji-cheng,LU Hai-lin.Nonlinear Finite Element Analyses of Concrete-filled Rectangular Steel Tubular Columns under Axial Compressive Load[J].Journal of Yangtze University,2007,4(4):125-128. |
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| Authors: | ZHANG Ji-cheng LU Hai-lin |
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| Abstract: | A commonly used finite element software,ABAQUS was employed to simulate the mechanical performance of six concrete-filled rectangle steel tubular short columns.The load-carrying capacities of all the columns were analyzed.The result shows that the load-average longitudinal strain curve derived from numeral analysis are consistent with that of experiment and thus demonstrates the rationality of the element meshing,boundary conditions and the stress-strain relationship of the materials,which can be widely used in the nonlinear numerical analysis of concrete-filled rectangular steel tubular short columns. |
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| Keywords: | concrete-filled rectangle steel tubular column finite element analysis axial compression limit load-carrying capacity |
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