| 钢管混凝土轴心受压构件极限承载力的有限元分析 |
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| 引用本文： | 徐兴,程晓东,凌道盛.钢管混凝土轴心受压构件极限承载力的有限元分析[J].固体力学学报,2002,23(4):419-425. |
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| 作者姓名： | 徐兴 程晓东 凌道盛 |
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| 作者单位： | 浙江大学土木工程学系,杭州,310027 |
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| 摘 要： | 采用三维虚拟层合单元法，对钢管混凝土和纯混凝土轴心受压构件在轴向荷载作用下产生的稳定承载能力和材料承载能力问题进行了分析比较，同时进一步分析了前者失稳破坏和材料破坏的界限值，模拟了前者第一阶失稳模态，结论与试验结果符合良好。
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| 关 键 词： | 轴心受压构件 有限元 三维虚拟层合单元法 稳定性问题 极限承载力 钢管混凝土柱 |
| 修稿时间： | 2001年3月13日 |
FINITE ELEMENT ANALYSIS OF LOAD BEARING CAPACITIES OF CONCRETE-FILLED STEEL TUBE COLUMNS UNDER AXIAL LOAD |
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| Xu Xing,Cheng Xiaodong,Ling Daosheng.FINITE ELEMENT ANALYSIS OF LOAD BEARING CAPACITIES OF CONCRETE-FILLED STEEL TUBE COLUMNS UNDER AXIAL LOAD[J].Acta Mechnica Solida Sinica,2002,23(4):419-425. |
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| Authors: | Xu Xing Cheng Xiaodong Ling Daosheng |
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| Abstract: | By using the three-dimensional virtual laminated element method, the stability and load bearing capacities of concrete-filled steel tube columns are analyzed and compared with the results of pure concrete columns. It is shown that the former structure is superior to the latter one in both stability and strength. The first modal of the structure is simulated. The calculating results agree well with the test ones. |
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| Keywords: | three-dimensional virtual laminated element moethod stability problem load bearing capacities concrete-filled steel tube columns |
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