| 重庆马桑溪大桥施工过程稳定性分析 |
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| 引用本文： | 卜一之.重庆马桑溪大桥施工过程稳定性分析[J].公路交通科技,2005,22(7):75-77,81. |
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| 作者姓名： | 卜一之 |
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| 作者单位： | 西南交通大学土木工程学院,四川,成都,610031 |
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| 摘 要： | 主要研究重庆马桑溪大桥在施工过程中的稳定性。考虑混凝土斜拉桥结构的非线性和构件的极限承载能力,计入施工过程的变形和应力的叠加效应,完成该桥线弹性稳定性和非线性稳定性分析,并对桥梁的非线性稳定性的评判进行了讨论。
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| 关 键 词： | 混凝土 斜拉桥 稳定性 非线性 安全系数 |
| 文章编号： | 1002-0268(2005)07-0075-03 |
Stability Analysis of Long-Span Reinforced Concrete Cable-Stayed Bridge |
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| BU Yi-zhi.Stability Analysis of Long-Span Reinforced Concrete Cable-Stayed Bridge[J].Journal of Highway and Transportation Research and Development,2005,22(7):75-77,81. |
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| Authors: | BU Yi-zhi |
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| Abstract: | This paper studied the stability of Masangxi Bridge in Chongqing city at construction stage.In the analysis,the structural nonlinearity and ultimate bearing capacity of members for reinforced concrete cable-stayed bridge were considered,and the deformations during construction and the superposition effect of stresses were also taken into account.The linear elastic stability and nonlinear stability of this bridge,and some problems on nonlinear stability of bridge were also discussed. |
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| Keywords: | Concrete Cable-stayed bridge Stability Nonlinear Safety factor |
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