| 自锚式悬索桥主要构件刚度对结构的影响分析 |
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| 引用本文： | 雷俊卿,赵磊.自锚式悬索桥主要构件刚度对结构的影响分析[J].北方交通大学学报,2011(1):68-72,78. |
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| 作者姓名： | 雷俊卿 赵磊 |
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| 作者单位： | [1]北京交通大学土木建筑工程学院,北京100044 [2]中交公路规划设计院有限公司,北京100088 |
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| 摘 要： | 分别分析了自锚式悬索桥的主塔刚度、主缆刚度、吊索刚度和加劲梁刚度对桥梁的主缆、吊索、加劲梁、桥塔和桥墩内力、结构位移、结构动力特性的影响,讨论了设计中各构件尺寸确定的顺序.得出的有益结论可为该类桥的设计提供技术参数方面的参考.
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| 关 键 词： | 自锚式悬索桥 主塔刚度 吊索刚度 主缆刚度 加劲梁刚度 动力特性 |
Influence of key components stiffness of self-anchored suspension bridge on its structure |
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| LEI Junqing,ZHAO Lei.Influence of key components stiffness of self-anchored suspension bridge on its structure[J].Journal of Northern Jiaotong University,2011(1):68-72,78. |
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| Authors: | LEI Junqing ZHAO Lei |
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| Institution: | 1.School of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China;2.CCCC Highway Consultant Co.,Ltd.,Beijing 100088,China) |
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| Abstract: | This paper studies the effect of stiffness of pylon,main cable,sling and stiffening girder on internal force,displacement and dynamic characteristics of self-anchored suspension bridge.Sequences of size determination of key components are discussed.Useful results obtained through analysis and theoretical studies can be references for technical parameters of self-anchored suspension bridge. |
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| Keywords: | self-anchored suspension bridge stiffness of pylon stiffness of cable stiffness of sling stiffness of stiffening girder dynamic characteristics |
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