Cable force monitoring system of cable stayed bridges using accelerometers inside mobile smart phone

Xuefeng Zhao; Yan Yu; Weitong Hu; Dong Jiao; Ruicong Han; Xingquan Mao; Mingchu Li; Jinping Ou

doi:10.1117/12.2084068

27 March 2015 Cable force monitoring system of cable stayed bridges using accelerometers inside mobile smart phone

Xuefeng Zhao, Yan Yu, Weitong Hu, Dong Jiao, Ruicong Han, Xingquan Mao, Mingchu Li, Jinping Ou

Proceedings Volume 9435, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2015; 94351H (2015) https://doi.org/10.1117/12.2084068
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Cable force is one of the most important parameters in structural health monitoring system integrated on cable stayed bridges for safety evaluation. In this paper, one kind of cable force monitoring system scheme was proposed. Accelerometers inside mobile smart phones were utilized for the acceleration monitoring of cable vibration. Firstly, comparative tests were conducted in the lab. The test results showed that the accelerometers inside smartphones can detect the cable vibration, and then the cable force can be obtained. Furthermore, there is good agreement between the monitoring results of different kinds of accelerometers. Finally, the proposed cable force monitoring system was applied on one cable strayed bridge structure, the monitoring result verified the feasibility of the monitoring system.

Citation Download Citation

Xuefeng Zhao, Yan Yu, Weitong Hu, Dong Jiao, Ruicong Han, Xingquan Mao, Mingchu Li, and Jinping Ou "Cable force monitoring system of cable stayed bridges using accelerometers inside mobile smart phone", Proc. SPIE 9435, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2015, 94351H (27 March 2015); https://doi.org/10.1117/12.2084068

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