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23 February 2009 The application of structural health monitoring system technology using FBG to the No. 2 Wuhan bridge over the Yangtze river
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Abstract
Bridge engineering offer many unique opportunities for the use of advanced optical fiber sensing technology. In this paper, the state-of-the-art of bridge structural health monitoring system(SHMS) based on optical fiber sensing technology are reviewed and some disadvantages in present SHMS based on optical fiber sensing technology for existing long-span bridge are indicated. In order to overcome those disadvantages, some fiber Bragg grating (FBG) products developed by authors and corresponding industrialization enterprise are introduced. Focusing on an existing long-span cable-stayed bridge-Wuhan Yangtze No.2 Bridge, the operational condition of the multi-parameter bridge SHMS mainly based on FBG sensors is presented. Some initial monitoring results show that the whole performance of the SHMS FBGbased is reliable and measuring data are reasonable.
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Shengchun Liu and Desheng Jiang "The application of structural health monitoring system technology using FBG to the No. 2 Wuhan bridge over the Yangtze river", Proc. SPIE 7278, Photonics and Optoelectronics Meetings (POEM) 2008: Fiber Optic Communication and Sensors, 72780O (23 February 2009); https://doi.org/10.1117/12.821310
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