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http://dx.doi.org/10.12989/sss.2010.6.5_6.439

Structural health monitoring of a cable-stayed bridge using smart sensor technology: deployment and evaluation  

Jang, Shinae (Department of Civil and Environmental Engineering, University of Illinois)
Jo, Hongki (Department of Civil and Environmental Engineering, University of Illinois)
Cho, Soojin (Department of Civil and Environmental Engineering, KAIST)
Mechitov, Kirill (Department of Computer Science, University of Illinois)
Rice, Jennifer A. (Texas Tech University)
Sim, Sung-Han (Department of Civil and Environmental Engineering, University of Illinois)
Jung, Hyung-Jo (Department of Civil and Environmental Engineering, KAIST)
Yun, Chung-Bangm (Department of Civil and Environmental Engineering, KAIST)
Spencer, Billie F. Jr. (Department of Civil and Environmental Engineering, University of Illinois)
Agha, Gul (Department of Computer Science, University of Illinois)
Publication Information
Smart Structures and Systems / v.6, no.5_6, 2010 , pp. 439-459 More about this Journal
Abstract
Structural health monitoring (SHM) of civil infrastructure using wireless smart sensor networks (WSSNs) has received significant public attention in recent years. The benefits of WSSNs are that they are low-cost, easy to install, and provide effective data management via on-board computation. This paper reports on the deployment and evaluation of a state-of-the-art WSSN on the new Jindo Bridge, a cable-stayed bridge in South Korea with a 344-m main span and two 70-m side spans. The central components of the WSSN deployment are the Imote2 smart sensor platforms, a custom-designed multimetric sensor boards, base stations, and software provided by the Illinois Structural Health Monitoring Project (ISHMP) Services Toolsuite. In total, 70 sensor nodes and two base stations have been deployed to monitor the bridge using an autonomous SHM application with excessive wind and vibration triggering the system to initiate monitoring. Additionally, the performance of the system is evaluated in terms of hardware durability, software stability, power consumption and energy harvesting capabilities. The Jindo Bridge SHM system constitutes the largest deployment of wireless smart sensors for civil infrastructure monitoring to date. This deployment demonstrates the strong potential of WSSNs for monitoring of large scale civil infrastructure.
Keywords
structural health monitoring; wireless smart sensor network; cable-stayed bridge; deployment; evaluation;
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Times Cited By KSCI : 2  (Citation Analysis)
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