Analysis of structural responses of bridges based on long-term structural health monitoring

Zeng Lei; Liu Yiping; Zhang Ge; Tang Liqun; Jiang Zhenyu; Liu Zejia

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Analysis of structural responses of bridges based on long-term structural health monitoring

机译：基于长期结构健康监测的桥梁结构响应分析

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Structural health monitoring system (SHMS) has been increasingly used for the maintenance of vehicle bridges nowadays. In this paper, a centralized SHMS is developed to monitor multiple bridges. The structural responses of two vehicle bridges in China, including the deformation of main components, creep and shrinkage of concrete, and strain caused by the temperature are estimated and analyzed based on the long-term monitored data. A numerical simulation has been carried out to investigate the deformation of the bridges, as well as the strain and stress on the specific sections. The results show a good agreement with the measured data. Wavelet analysis method has been introduced to investigate the characteristics in time and frequency domain, where the strain components caused by the season temperature variation, daily thermal effects, and random traffic loads can be clearly distinguished as the signals at four levels.

机译：结构健康监测系统（SHMS）越来越多地用于当今车辆的维护。在本文中，开发了集中式SHM以监控多个桥梁。中国两个车辆桥梁的结构反应，包括主要成分，蠕变和混凝土收缩的变形，以及由温度引起的应变基于长期监测数据分析。已经进行了数值模拟以研究桥梁的变形，以及特定部分的应变和应力。结果表明与测量数据吻合良好。已经引入小波分析方法以研究时间和频域的特性，其中由季节温度变化，每日热效应和随机交通负荷引起的应变分量可以清楚地区分为四个级别的信号。

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来源
《Mechanics of Advanced Materials and Structures》 |2018年第8期|共8页
作者
Zeng Lei; Liu Yiping; Zhang Ge; Tang Liqun; Jiang Zhenyu; Liu Zejia;
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作者单位

Cent S Univ Sch Civil Engn Changsha Hunan Peoples R China;

South China Univ Technol Sch Civil Engn &

Transportat Guangzhou 510640 Guangdong Peoples R China;

South China Univ Technol Sch Civil Engn &

Transportat Guangzhou 510640 Guangdong Peoples R China;

South China Univ Technol Sch Civil Engn &

Transportat Guangzhou 510640 Guangdong Peoples R China;

South China Univ Technol Sch Civil Engn &

Transportat Guangzhou 510640 Guangdong Peoples R China;

South China Univ Technol Sch Civil Engn &

Transportat Guangzhou 510640 Guangdong Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类复合材料;
关键词
Structural health monitoring system; structural response; vehicle bridge; wavelet analysis; temperature-induced strain;

机译：结构健康监测系统;结构反应;车桥;小波分析;温度诱导的应变;

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1. Analysis of structural responses of bridges based on long-term structural health monitoring [J] . Zeng Lei, Liu Yiping, Zhang Ge, Mechanics of Advanced Materials and Structures . 2018,第1a8期

机译：基于长期结构健康监测的桥梁结构响应分析
2. Statistical Analysis of Modal Properties of a Cable-Stayed Bridge through Long-Term Wireless Structural Health Monitoring [J] . Asadollahi Parisa, Li Jian Journal of bridge engineering . 2017,第9期

机译：通过长期无线结构健康监测对斜拉桥的模态特性进行统计分析
3. Reliability-based load-carrying capacity assessment of bridges using structural health monitoring and nonlinear analysis [J] . Jamali Shojaeddin, Chan Tommy H. T., Nguyen Andy, Structural health monitoring . 2019,第1期

机译：基于结构健康监测和非线性分析的桥梁可靠性承载力评估
4. Correlation analysis of structural stress responses and temperature of a tied arch bridge using long-term health monitoring data [C] . Yuanfeng Duan, Yi Li, Yiqiang Xiang, Proceedings of the 6th international conference on arch bridges. . 2010

机译：长期健康监测数据对拱桥结构应力响应与温度的相关性分析
5. The instrumentation, testing, and structural modeling of a steel girder bridge for long-term structural health monitoring. [D] . Lefebvre, Paul J. 2010

机译：钢梁桥的仪表，测试和结构建模，用于长期结构健康监测。
6. Long-Term Structural Health Monitoring System for a High-Speed Railway Bridge Structure [O] . You-Liang Ding, Gao-Xin Wang, Peng Sun, 2015

机译：高速铁路桥梁结构长期结构健康监测系统
7. Finite element model validation of bridge based on structural health monitoring—Part I: Response surface-based finite element model updating [O] . Zong Zhouhong, Lin Xiaosong, Niu Jie 2015

机译：基于结构健康监测的桥梁有限元模型验证—第一部分：基于响应面的有限元模型更新
8. Connecticut Permanent Long-Term Bridge Monitoring Network Volume 7: Lessons Learned for Specifications to Guide Design of Structural Health Monitoring Systems. [R] . Christenson, R. E., DeWolf, J. T., Prusaczyk, S. 2014

机译：康涅狄格永久性长期桥梁监测网络第7卷：关于指导结构健康监测系统设计的规范的经验教训。

Analysis of structural responses of bridges based on long-term structural health monitoring

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