| 基于统计及形态特征指标的桥梁线形监测评估 |
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| 引用本文： | 王波,陈开利,钟继卫.基于统计及形态特征指标的桥梁线形监测评估[J].桥梁建设,2011(2). |
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| 作者姓名： | 王波 陈开利 钟继卫 |
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| 作者单位： | 1. 中铁大桥局集团桥科院有限公司,湖北武汉430034;桥梁结构安全与健康湖北省重点实验室,湖北武汉430034;武汉大学土木工程博士后流动站,湖北武汉430072
2. 中铁大桥局集团桥科院有限公司,湖北武汉430034;桥梁结构安全与健康湖北省重点实验室,湖北武汉430034 |
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| 摘 要： | 为探讨大跨度桥梁线形实时在线监测及安全评估方法,以武汉阳逻长江公路大桥为工程背景,建立了液压差半封闭式连通管线形监测系统,介绍该桥健康监测系统中线形监测的测点布置、采集方案策略,重点研究了以统计及形态特征为指标的桥梁线形监测加权评估方法。研究表明:该系统能够实时在线监测并评定桥梁线形变化特征,且测试精度高、长期稳定性好;统计及形态特征指标集单个测点与全部测点数据评估为一体,可有效运用于大跨度桥梁线形监测的状态评估。
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| 关 键 词： | 大跨度桥梁 线形 实时在线监测 统计指标 形态特征指标 |
Evaluation of Monitoring of Bridge Geometric Shape Based on Statistics and Shape Characteristic Indices |
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| WANG Bo,CHEN Kai-li,ZHONG Ji-wei.Evaluation of Monitoring of Bridge Geometric Shape Based on Statistics and Shape Characteristic Indices[J].Bridge Construction,2011(2). |
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| Authors: | WANG Bo CHEN Kai-li ZHONG Ji-wei |
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| Institution: | WANG Bo1,2,3,CHEN Kai-li1,ZHONG Ji-wei1,2(1.Bridge Science Research Institute Ltd.,China Railway Major Bridge Engineering Group,Wuhan 430034,China,2.Key Laboratory of Bridge Structure Safety and Health of Hubei Province,3.Postdoctoral Research Station of Civil Engineering,Wuhan University,Wuhan 430072,China) |
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| Abstract: | To investigate the method for real-time online monitoring and safety evaluation of geometric shape of long span bridge,Wuhan Yangluo Changjiang River Highway Bridge was taken as the research object and the geometric shape monitoring system of liquid pressure difference and semi-closed communication pipes was established.The testing point arrangement and data acquisition strategy of the geometric shape monitoring in the health monitoring system of the highway bridge are presented and the weighted evaluation ... |
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| Keywords: | long span bridge geometric shape real-time online monitoring statistic index shape characteristic index |
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