Optimal Sensor Placement of Continuous Rigid Frame Bridge Using Algorithm
Based on Effective Independence and Modal Assurance Criterion Methods

doi:10.3969/j.issn.1674-0696.2011.05.008

Journal of Chongqing Jiaotong University(Natural Science) ›› 2011, Vol. 30 ›› Issue (5): 921-924.DOI: 10.3969/j.issn.1674-0696.2011.05.008

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Optimal Sensor Placement of Continuous Rigid Frame Bridge Using Algorithm Based on Effective Independence and Modal Assurance Criterion Methods

HE Hua¹，ZHANG Li-wen²，ZHOU Jian-ting²，YANG Jian-xi²，ZHOU Lei²

1. Guangxi Ji Tai Investment Co. ，Ltd. ，Nan Ning 530203; 2. School of Civil Engineering ＆ Architecture，Chongqing Jiaotong University，Chongqing 400074，China

Revised:2011-05-11 Online:2011-10-15 Published:2015-01-22

基于EI及MAC算法的连续刚构桥传感器优化布置

何华¹，张力文²，周建庭²，杨建喜²，周磊²

1. 广西吉泰投资有限公司，广西南宁530001; 2. 重庆交通大学土木建筑学院，重庆400074

通讯作者: 19/05/2011
作者简介:何华(1972—)，男，广西桂平人，高级工程师，主要从事桥梁建设与维护技术研究。E-mail:hehua0283@sina.com。
基金资助:
西部交通建设科技项目(200831895076);重庆市重大科技攻关项目(CSTC，2008RA6038)

Abstract

Abstract: Function and applicability of effective independence method and modal assurance criterion method were introduced． A new hybrid algorithm by assembling their advantages was worked out; mathematical method was applied in optimal sensor placement of continuous rigid frame bridge on treat Longhe Bridge as a case． Result showed section location acquired after EI and MAC methods was different from root section and 1 /4 times section in cross-border based on people’s experience． According to MAC，sensor placement of continuous rigid frame bridge could obtain satisfactory optimization result through the method．

Key words: effective independence method, modal assurance criterion ( MAC) , continuous rigid frame bridge, optimal sensor placement

摘要： 介绍了有效独立法( EI) 和模态保证准则( MAC) 的工作性能与适用范围，并结合各自优点，得到了一种新型的混合算法。将此方法运用到以龙河大桥为研究对象的连续刚构桥传感器布置上。结果表明: 基于EI 及MAC 混合算法得到的测点截面位置有别于人为凭借经验将传感器布置在根部、边跨及中跨1 /4 倍数截面等位置; 通过 MAC 值验算，连续刚构桥传感器布置在此方法下能得到满意的优化结果。

关键词: 有效独立法, MAC 法, 连续刚构桥, 传感器优化布置

CLC Number:

U442.53

HE Hua，ZHANG Li-wen，ZHOU Jian-ting，YANG Jian-xi，ZHOU Lei. Optimal Sensor Placement of Continuous Rigid Frame Bridge Using Algorithm Based on Effective Independence and Modal Assurance Criterion Methods[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(5): 921-924.

何华，张力文，周建庭，杨建喜，周磊. 基于EI及MAC算法的连续刚构桥传感器优化布置[J]. 重庆交通大学学报（自然科学版）, 2011, 30(5): 921-924.

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Optimal Sensor Placement of Continuous Rigid Frame Bridge Using Algorithm Based on Effective Independence and Modal Assurance Criterion Methods

基于EI及MAC算法的连续刚构桥传感器优化布置

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