| 独柱墩桥梁抗倾覆稳定验算方法及参数影响分析 |
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| 引用本文： | 陈瑶,陈露晔,张建华.独柱墩桥梁抗倾覆稳定验算方法及参数影响分析[J].浙江交通职业技术学院学报,2013(3):1-6,11. |
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| 作者姓名： | 陈瑶 陈露晔 张建华 |
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| 作者单位： | [1]同济大学,上海200092 [2]杭州市交通工程质量安全监督局,杭州310014 [3]浙江省交通规划设计研究院,杭州310006 |
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| 摘 要： | 针对独柱墩桥梁倾覆倒塌时有发生的现状，从现行相关规范的局限出发，给出了抗倾覆稳定安全系数的定义及详细的验算方法，适用于工程抗倾覆稳定验算。通过对桥宽、梁端支座间距、曲率半径、联长等影响参数进行有限元数值分析，得到了独柱墩抗倾覆稳定安全系数随以上参数改变而变化的规律，并以此建立了能够较为全面的反映倾覆破坏临界状态的抗倾覆稳定安全评价指标体系。
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| 关 键 词： | 独柱墩 验算方法 参数分析 安全评价 |
Calculation Method of Anti - overturning Stability and Analysis of Influence of Parameters on Single Column Bridge |
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| Institution: | CHEN Yao, CHEN Lu - ye, ZHANG Jian - hua (1.Tongji University, Shanghai 200092, China; 2. Hangzhou quality and safety supervision bureau of traffic project, Hangzhou 310014, China; 3.Zhejiang provincial communications planning and design institute, Hangzhou 310006, China) |
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| Abstract: | In view of the present situation that single column bridge collapse have occurred, starting from the cur- rent specification limits, give the definition of safety factor of anti - overturning stability and the detailed calculation method, the concept is simple, strong operability, suitable for engineering anti overturning stability checking. Find out the law that the safety factor of anti - overturning stability of single column bridge change with the change of the above parameters and put forward the design suggestions through the finite element numerical analysis of the bridge deck width, supports spacing, curvature radius, length and other influencing parameters, and establish the index system of safety e- valuation of anti - overturning stability, it is able to reflect the overturning critical state comprehensively. |
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| Keywords: | single column bridge calculation method analysis of parameters safety assessment |
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