| 非线性因素对钢桁架拱桥极限承载力的影响分析 |
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| 引用本文： | 方绪镯,詹小萍,郑史雄.非线性因素对钢桁架拱桥极限承载力的影响分析[J].广东公路交通,2010(1):28-30. |
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| 作者姓名： | 方绪镯 詹小萍 郑史雄 |
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| 作者单位： | 西南交通大学土木工程学院,成都,610031 |
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| 摘 要： | 利用大型通用软件ANSYS对长江下游某大跨度钢桁架拱桥做几何和材料双重非线性、几何非线性、线弹性等三种情况下的极限承载力对比分析,从而得出非线性因素对钢桁架拱桥极限承载力的影响,以及符合结构实际的极限承载力。
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| 关 键 词： | 钢桁架拱桥 极限承载力 几何非线性 材料非线性 线弹性 |
The Analysis of influence of Nonlinear Factors on the Ultimate Load Capacity of Steel Truss Arch Bridge |
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| FANG Xu-zhuo,ZHAN Xiao-ping,ZHENG Shi-xiong.The Analysis of influence of Nonlinear Factors on the Ultimate Load Capacity of Steel Truss Arch Bridge[J].Guangdong Highway Communications,2010(1):28-30. |
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| Authors: | FANG Xu-zhuo ZHAN Xiao-ping ZHENG Shi-xiong |
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| Institution: | FANG Xu - zhuo , ZHAN Xiao - ping, ZHENG Shi - xiong (Civil engineering of southwest jiaotong university , Chendu 610031, China) |
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| Abstract: | In this paper, using ANSYS to analysis the Ultimate Load Capacity a long - span steel truss arch bridge in three cases,such as double nonlinear of geometry and materials, geometry nonlinear, flexibility. Then through comparative analysis, work out the influence of nonlinear factors on the ultimate load capacity of steel truss arch bridge. |
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| Keywords: | steel truss arch bridge ultimate load capacity geometry nonlinear materials nonlinear flexibility |
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