| 城市特宽拱桥的空间稳定性分析 |
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| 引用本文： | 李睿,宁晓骏,陈瑛.城市特宽拱桥的空间稳定性分析[J].交通标准化,2007(5):68-71. |
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| 作者姓名： | 李睿 宁晓骏 陈瑛 |
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| 作者单位： | 1. 昆明理工大学建筑工程学院,云南,昆明,650224
2. 四川大学建筑学院,四川,成都,610065 |
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| 摘 要： | 在考虑拱桥几何非线性稳定性影响因素基础上,对桥宽与桥跨之比B/L＞1的下承式钢筋混凝土系杆拱桥进行空间稳定性分析、计算,以及时特宽拱桥的稳定性进行讨论,即可提出确保该桥型的稳定性需要注意的问题.
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| 关 键 词： | 特宽桥 空间分析 结构分析 稳定性 城市 系杆拱桥 空间稳定性 分析 Bridge Arch City stability Analysis 问题 性需要 桥型 计算 混凝土 钢筋 下承式 桥跨 影响因素 线性稳定性 几何 |
| 文章编号： | 1002-4786（2007）05-0068-03 |
| 收稿时间： | 2006-10-20 |
| 修稿时间： | 2006年10月20 |
Spatial stability Analysis of Super-wide City Arch Bridge |
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| LI Rui,NING Xiao-jun,CHEN Ying.Spatial stability Analysis of Super-wide City Arch Bridge[J].Communications Standardization,2007(5):68-71. |
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| Authors: | LI Rui NING Xiao-jun CHEN Ying |
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| Institution: | 1. School of Civil Engineering, Kunming University of Science and Technology; Kunming 650224, China; 2. School of Civil Engineering, Sichuan University, Chengdu 610065, China |
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| Abstract: | Spatial stability analysis is conducted for a super-wide city tied arch bridge that its ratio between width and span is greater than 1.0, based on considering its geometric non-linear stability influence factors. The stability of this super-wide city arch bridge was discussed by calculations, and somequestions deserving our attention for stability of super-wide city arch bridge are put forward. |
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| Keywords: | super-wide bridge spatial analysis structural analysis stability |
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