Health Condition Evaluation of Cable-Stayed Bridge Driven by Dissimilarity Measures of Grouped Cable Forces

被引：5
|
作者：
Dan, Dan-Hui [1 ]
Zhao, Yi-Ming [2 ]
Yang, Tong [1 ]
Yan, Xing-Fei [3 ]
机构：
[1] Tongji Univ, Dept Bridge Engn, Shanghai 200092, Peoples R China
[2] Technol Ctr Shanghai Construct Grp Co Ltd, Shanghai 200431, Peoples R China
[3] Shanghai Urban Construct Design Res Inst, Shanghai 200125, Peoples R China
来源：
INTERNATIONAL JOURNAL OF DISTRIBUTED SENSOR NETWORKS | 2013年
基金：
中国国家自然科学基金;
关键词：
STATISTICAL PATTERN-RECOGNITION; GPS; TECHNOLOGY;
D O I：
10.1155/2013/818967
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An index system for the health-status evaluation of cable-stayed bridges is presented based on a set of dissimilarity measures (DMs) of the cable force of grouped cables. The DMs and their labels corresponding to health status derived by the serviceability limit states of a bridge are determined by the combination of the finite element method and the influence matrix method. The Monte-Carlo method is used to determine the rational values of thresholds of proposed DMs. By comparing the indices with the thresholds, the holistic health status assessment of a cable-stayed bridge can be easily and reasonably determined. Based on eight years of historical data on the cable forces investigated froma real cable-stayed bridge, the proposed methods are applied to evaluate the health status of this cable-stayed bridge. The results show the validity of the proposed methods.
引用
收藏
页数：12
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