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Sensors 2017, 17(3), 603; doi:10.3390/s17030603

Health Monitoring and Evaluation of Long-Span Bridges Based on Sensing and Data Analysis: A Survey

College of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, China
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Author to whom correspondence should be addressed.
Academic Editor: Simon X. Yang
Received: 21 January 2017 / Revised: 10 March 2017 / Accepted: 11 March 2017 / Published: 16 March 2017
(This article belongs to the Special Issue Sensors for Transportation)
View Full-Text   |   Download PDF [3664 KB, uploaded 16 March 2017]   |  

Abstract

Aimed at the health monitoring and evaluation of bridges based on sensing technology, the monitoring contents of different structural types of long-span bridges were defined. Then, the definition, classification, selection principle, and installation requirements of the sensors were summarized. The concept was proposed that new adaptable long-life sensors could be developed by new theories and new effects. The principle and methods to select controlled sections and optimize the layout design of measuring points were illustrated. The functional requirements were elaborated on about the acquisition, transmission, processing, and management of sensing information. Some advanced concepts about the method of bridge safety evaluation were demonstrated and technology bottlenecks in the current safety evaluation were also put forward. Ultimately, combined with engineering practices, an application was carried out. The results showed that new, intelligent, and reliable sensor technology would be one of the main future development directions in the long-span bridge health monitoring and evaluation field. Also, it was imperative to optimize the design of the health monitoring system and realize its standardization. Moreover, it is a heavy responsibility to explore new thoughts and new concepts regarding practical bridge safety and evaluation technology. View Full-Text
Keywords: sensor; bridge health monitoring; safety evaluation sensor; bridge health monitoring; safety evaluation
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Zhou, J.; Li, X.; Xia, R.; Yang, J.; Zhang, H. Health Monitoring and Evaluation of Long-Span Bridges Based on Sensing and Data Analysis: A Survey. Sensors 2017, 17, 603.

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