| 既有混凝土斜拉桥的荷载试验与结构性能分析 |
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| 引用本文： | 彭仙淼,陈惟珍.既有混凝土斜拉桥的荷载试验与结构性能分析[J].西部交通科技,2009(5):1-4. |
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| 作者姓名： | 彭仙淼 陈惟珍 |
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| 作者单位： | 同济大学桥梁工程系,上海,200092 |
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| 摘 要： | 随着使用年限的增长，预应力混凝土斜拉桥结构状态与安全问题越来越受到关注。文章针对具体实桥，进行荷载试验与应变监测，并根据设计与施工资料建立三维有限元模型对各施工阶段进行模拟。通过将模型计算值与实测挠度、应变与频率各参数对比，校正后得到反映桥梁实际工作状态的力学分析模型，以复核桥梁实际承载能力。结果表明，此方法实用可行。
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| 关 键 词： | 斜拉桥 有限元模型 荷载试验 |
Loading Testing and Structural Analysis for Existing Concrete Made Cable Stayed Bridge |
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| PENG Xian-miao,CHEN Wei-zhen.Loading Testing and Structural Analysis for Existing Concrete Made Cable Stayed Bridge[J].Western China Communication Science & Technology,2009(5):1-4. |
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| Authors: | PENG Xian-miao CHEN Wei-zhen |
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| Institution: | (Bridge construction department of Tongji University, Shanghai, 200092) |
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| Abstract: | As the life expectancy of concrete made cable stayed bridge expands,the safety issue also raises attention. The article uses real bridges as examples, simulates the construction process by using the design data and 3D models. By using the comparison between calculated figures and real deflections, strain and frequency, ones are able to get the realistic model about the work condition and mechanics of the bridge, to double check the load ability.Results have shown that this method is feasible. |
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| Keywords: | Cable stayed bridge Finite element model Loading test |
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