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Proceedings Paper

Application of FBG sensors in strengthening and maintenance monitoring of old bridges
Author(s): Li-na Yue; Jun Huang; Yan Yang
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Paper Abstract

The various fiber Bragg grating(FBG)sensors such as FBG force rings, differential FBG displacement cells, FBG strain sensors and FBG temperature sensors had been used to monitor the strengthening and maintenance process of the continuous concrete beam bridges and the continuous concrete rigid frame bridges which are the part of Wuhan Second Yangtze River Bridge. In the strengthening and maintenance process, the tension force of the external prestressed tendons, the cracks change and intensity of cross sections had been monitored to insure the instruction safety, study the effect of strengthening and maintenance, and verify the design theories of strengthening and maintenance. Also the reference state criterion for long-term bridge health monitoring had been provided according to the monitoring results.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75030E (5 October 2009); doi: 10.1117/12.834231
Show Author Affiliations
Li-na Yue, Wuhan Univ. of Technology (China)
Jun Huang, Wuhan Univ. of Technology (China)
Yan Yang, Wuhan Univ. of Technology (China)

Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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