| 预应力混凝土系杆拱桥动载试验评定分析 |
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| 引用本文： | 王刚,彭献.预应力混凝土系杆拱桥动载试验评定分析[J].中南公路工程,2013(5):38-43. |
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| 作者姓名： | 王刚 彭献 |
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| 作者单位： | 湖南大学机械与运载工程学院工程力学系,湖南长沙410082 |
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| 基金项目： | 国家自然科学基金（11032004/A0202）;国家自然科学基金（11172093/A020202）,（51175161/E050603）资助 |
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| 摘 要： | 为了解上海市某预应力混凝土系杆拱桥成桥后桥梁结构的动力特性及结构整体的运营质量,为该桥的竣工验收及日后的养护管理提供技术依据,特对该系杆拱桥进行了现场动力荷载试验,对桥梁结构的主要控制断面进行了多种工况荷载作用下的动力性能测试,重点对桥梁结构整体试验模态进行了测试分析,同时结合有限元分析方法对该桥进行了理论分析计算.动载试验及理论分析结果表明,该系杆拱桥结构的整体刚度及动力性能均能满足设计要求,只要加强日常管理养护,即可获得较好的运营质量.
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| 关 键 词： | 系杆拱桥 动载试验 动力特性 运营管理 |
Analysis of the Dynamical Load Test and Structural Evaluation of Through Tied Arch Bridge |
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| WANG Gang;PENG Xian.Analysis of the Dynamical Load Test and Structural Evaluation of Through Tied Arch Bridge[J].Central South Highway Engineering,2013(5):38-43. |
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| Authors: | WANG Gang;PENG Xian |
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| Institution: | WANG Gang;PENG Xian(College of Mechanical and Vehicle Engineering ,Hunan University,Changsha, Hunan 410082, China) |
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| Abstract: | In order to get dynamic performance and operation qulity of a newly-builted tied arch bridge in Shanghai,provide the technical supports for the completion acceptance and maintenance management in days to come.This paper introduces the dynamic load test and the theory analysis of this bridge,especially the process of modal test.The results indicated that all dynamic performances and structural stiffness lives up to the meet of codes and design,and get a good operation qulity as long as strengthen the daily maintenance. |
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| Keywords: | tied arch bridge dynamic load test dynamic performance operation management |
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