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Proceedings Paper

Test-bed for the remote health monitoring system for bridge structures using FBG sensors
Author(s): Chin-Hyung Lee; Ki-Tae Park; Bong-Chul Joo; Yoon-Koog Hwang
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Paper Abstract

This paper reports on test-bed for the long-term health monitoring system for bridge structures employing fiber Bragg grating (FBG) sensors, which is remotely accessible via the web, to provide real-time quantitative information on a bridge's response to live loading and environmental changes, and fast prediction of the structure's integrity. The sensors are attached on several locations of the structure and connected to a data acquisition system permanently installed onsite. The system can be accessed through remote communication using an optical cable network, through which the evaluation of the bridge behavior under live loading can be allowed at place far away from the field. Live structural data are transmitted continuously to the server computer at the central office. The server computer is connected securely to the internet, where data can be retrieved, processed and stored for the remote web-based health monitoring. Test-bed revealed that the remote health monitoring technology will enable practical, cost-effective, and reliable condition assessment and maintenance of bridge structures.

Paper Details

Date Published: 18 May 2009
PDF: 6 pages
Proc. SPIE 7362, Smart Sensors, Actuators, and MEMS IV, 736215 (18 May 2009); doi: 10.1117/12.821304
Show Author Affiliations
Chin-Hyung Lee, Korea Institute of Construction Technology (Korea, Republic of)
Ki-Tae Park, Korea Institute of Construction Technology (Korea, Republic of)
Bong-Chul Joo, Korea Institute of Construction Technology (Korea, Republic of)
Yoon-Koog Hwang, Korea Institute of Construction Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 7362:
Smart Sensors, Actuators, and MEMS IV
Ulrich Schmid, Editor(s)

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