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23 May 1997 In-situ monitoring of Sungsan Bridge in Han River with an optical fiber sensor system
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Abstract
Intrinsic Fabry-Perot optical fiber sensors were attached to a steel girder of the Sungsan Bridge which is one of the longest span bridges in Han River in Seoul, Korea. The tests were performed as parts of safety diagnosis of the bridge. We performed the visual inspection first, then we chose three spans for System Identification of the bridge. We applied numbers of strain gauges, acceleration sensors and a deflection gauge as well as optical fiber sensors. Static and dynamic loads were applied to the bridge with 30 ton weigh trucks. The optical fiber sensor system showed good responses to the static and dynamic loading with a resolution of approximately 0.12 (mu) strain. In conclusion,the optical fiber sensors can be used as elements of bridge monitoring system.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ki Soo Kim, J. U. Ryu, Seung-Jae Lee, and Long Choi "In-situ monitoring of Sungsan Bridge in Han River with an optical fiber sensor system", Proc. SPIE 3043, Smart Structures and Materials 1997: Smart Systems for Bridges, Structures, and Highways, (23 May 1997); https://doi.org/10.1117/12.274632
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