| 刚架拱桥加固前后的动力性能变化 |
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| 引用本文： | 郑丽涵,陈燊.刚架拱桥加固前后的动力性能变化[J].福建建筑,2010(5):130-132,137. |
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| 作者姓名： | 郑丽涵 陈燊 |
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| 作者单位： | 福州大学土木工程学院,350108 |
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| 基金项目： | 福建省交通科技发展项目 |
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| 摘 要： | 本文建立刚架拱桥简化动力分析模型、双轴车辆模型和伪随机路面模型,旨在研究某刚架拱桥斜撑加固前后动力性能变化,并与加固前后实桥检测结果加以比较。研究表明,加固前后刚架拱桥的动力特性发生某种规律性变化,可用于提示刚架拱桥的衰变、损坏程度,以及验证其加固效果。
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| 关 键 词： | 刚架拱桥 加固前后 动力特性 车振性能 桥梁检测 |
On the Difference of Dynamic Performance for Rigid Frame Arch Bridge pre and post Strengthening |
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| Zheng Lihan Chen Shen.On the Difference of Dynamic Performance for Rigid Frame Arch Bridge pre and post Strengthening[J].Fujian Architecture & Construction,2010(5):130-132,137. |
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| Authors: | Zheng Lihan Chen Shen |
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| Affiliation: | Zheng Lihan Chen Shen (College of Civil Engineering,Fuzhou University 350108) |
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| Abstract: | Dynamic analysis models,including bridge,vehicle and road surface,has been build to investigate the differences of dynamic behavior before and after a bracing strut strengthening of a rigid frame arch bridge.Compared with bridge site tests,the study indicates that the changes of dynamic characteristics have a certain degree of regularity,which can be used to reveal the fading and failure of rigid frame arch bridges and evaluate their reinforce effect. |
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| Keywords: | Rigid frame arch bridge Pre and post strengthening Dynamic behavior Vehicle-induced vibration performance Bridge site test |
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