| 钢管混凝土受压柱弹塑性稳定极限承载力的非线性分析 |
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| 引用本文： | 周世强 宁小春. 钢管混凝土受压柱弹塑性稳定极限承载力的非线性分析[J]. 中南公路工程, 2004, 29(2): 62-64 |
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| 作者姓名： | 周世强 宁小春 |
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| 作者单位： | 湘潭市公路管理局 湖南湘潭411000(周世强)，湖南省交通科学研究院 湖南长沙410015(宁小春) |
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| 摘 要： | 基于U .L列式单元增量平衡方程 ,采用单元节点截面内力塑性系数法建立钢管混凝土柱单元弹塑性刚度矩阵 ,并编制了钢管混凝土受压柱弹塑性稳定极限承载力非线性分析程序 ,算例结果与文献试验结果良好接近 ,验证了分析方法的正确性及可靠性
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| 关 键 词： | 钢管混凝土 柱单元 弹塑性 极限承载力 截面内力 塑性系数法 |
| 文章编号： | 1002-1205(2004)02-0062-03 |
| 修稿时间： | 2004-04-08 |
Nonlinear Elastoplasticity Stability of CFST Column Subject to Compression |
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| ZHOU Shiqiang,NING Xiaochun. Nonlinear Elastoplasticity Stability of CFST Column Subject to Compression[J]. Central South Highway Engineering, 2004, 29(2): 62-64 |
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| Authors: | ZHOU Shiqiang NING Xiaochun |
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| Affiliation: | ZHOU Shiqiang~1,NING Xiaochun~2 |
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| Abstract: | Based on the U.L. formula of element incremental balance equation, the elastoplasticity stiffness matrix of CFST column elements is established using plastic coefficient method of element cross-sec-tion force. A computer program for analyzing ultimate load of nonlinear elastoplasticity stability of CFST col-umn subject to compression is also developed. The presented method and program are then validated using data in the literature with an excellent agreement. |
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| Keywords: | CFST column column element elastoplasticity ultimate bearing capacity force on cross-section plastic coefficient method |
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