The application of structural health monitoring system technology using FBG to the No. 2 Wuhan bridge over the Yangtze river

Shengchun Liu; Desheng Jiang

doi:10.1117/12.821310

23 February 2009 The application of structural health monitoring system technology using FBG to the No. 2 Wuhan bridge over the Yangtze river

Shengchun Liu, Desheng Jiang

Author Affiliations +

Proceedings Volume 7278, Photonics and Optoelectronics Meetings (POEM) 2008: Fiber Optic Communication and Sensors; 72780O (2009) https://doi.org/10.1117/12.821310
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

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.

Citation Download Citation

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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