| 大跨度悬索桥受力特性敏感参数分析 |
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| 引用本文： | 常赞.大跨度悬索桥受力特性敏感参数分析[J].湖南工程学院学报(自然科学版),2011(3):84-87. |
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| 作者姓名： | 常赞 |
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| 作者单位： | 长沙理工大学土木与建筑工程学院,长沙,410004 |
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| 摘 要： | 为了准确把握地锚式悬索桥在施工阶段和运营阶段结构线形的变化，以某大跨悬索桥为例，采用有限元方法建立全桥三维仿真计算模型，分析了结构自重、温度、刚度、边界条件对桥梁线形的影响及规律．结果表明，自重和温度对桥梁线形影响较大，桥塔刚度的改变对悬索桥线形影响较小，改变索鞍处边界条件对悬索桥线形影响较小．
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| 关 键 词： | 悬索桥 有限元 参数 线形 敏感性 |
Sensitivity Analysis of Stress Characteristic Parameters For Long-Span Suspension Bridge |
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| CHANG Zan.Sensitivity Analysis of Stress Characteristic Parameters For Long-Span Suspension Bridge[J].Journal of Hunan Institute of Engineering(Natural Science Edition),2011(3):84-87. |
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| Authors: | CHANG Zan |
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| Institution: | CHANG Zan(School of Civil Engineering and Architecture,Changsha University of Science&Technology,Changsha 410076,China) |
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| Abstract: | In order to accurately grasp variation situations of inner deflection for long-span suspension bridge during construction and running stage,the mechanical characteristics of this type bridge are studied.A bridge is taken as the studying case in this article.A three dimensional space finite element model is built with the large-scale finite element calculation program.The paper analyzes the effects of self-weight,temperatures,tiffness and boundary condition on the deflection.The results show that self-weight... |
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| Keywords: | suspension bridge finite element parameter linienarten sensitivity |
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