Commissioning and Evaluation of a Fiber-Optic Sensor System for Bridge Monitoring

被引：28

作者：

Scott, Richard H. ^{[1
]}

Banerji, Pradipta ^{[2
]}

Chikermane, Sanjay ^{[2
]}

Srinivasan, Sudarshan ^{[3
]}

Basheer, P. A. Muhammed ^{[3
]}

Surre, Frederic ^{[4
]}

Sun, Tong ^{[4
]}

Grattan, Kenneth T. V. ^{[4
]}

机构：

[1] Univ Durham, Durham DH1 3LE, England

[2] Indian Inst Technol, Bombay 400076, Maharashtra, India

[3] Queens Univ Belfast, Belfast BT7 1NN, Antrim, North Ireland

[4] City Univ London, London EC1V 0HB, England

来源：

IEEE SENSORS JOURNAL | 2013年 / 13卷 / 07期

基金：

英国工程与自然科学研究理事会;

关键词：

Fiber-optic strain sensors; load tests; railway bridges; structural health monitoring;

D O I：

10.1109/JSEN.2013.2256599

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes the design, commissioning, and evaluation of a fiber-optic strain sensor system for the structural health monitoring of a prestressed concrete posttensioned box girder railway bridge in Mumbai, India, which shows a number of well-documented structural problems. Preliminary laboratory trials to design the most appropriate sensor system that could be readily transported and used on site are described, followed by a description of load tests on the actual bridge undertaken in collaboration with Indian Railways and using locomotives of known weight. Results from the load tests using the optical system are compared with similar results obtained using electrical resistance strain gages. Conclusions are summarized concerning the integrity of the structure and for the future use of the sensor system for monitoring bridges of this type. Crack width measurements obtained during the load tests are also described.

引用

页码：2555 / 2562

页数：8

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