Corrosion of Fe-C coated FBG sensor and rebars: a comparative study

Wenbin Hu; Xiaoxing Chen; Hanli Cai; Minghong Yang; Wei Chen

doi:10.1117/12.975172

17 October 2012 Corrosion of Fe-C coated FBG sensor and rebars: a comparative study

Wenbin Hu, Xiaoxing Chen, Hanli Cai, Minghong Yang, Wei Chen

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 842152 (2012) https://doi.org/10.1117/12.975172
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

Corrosion of steel in structures has become a major cause of structural degradations. Corrosion detection and monitoring are necessary for evaluation of structural service conditions. A novel FBG based sensor for steel corrosion detection and monitoring is developed previously. In this paper the sensor performances are evaluated by comparing to the corrosive rate of rebars in the corrosive environments. The correlation between the wavelength shifts of the sensor and the corrosive depth is established. It is proved that the sensor responses successfully to the occurrence of rebar corrosion, which shows the promising feasibility of applying the sensor for corrosion indicator.

Citation Download Citation

Wenbin Hu, Xiaoxing Chen, Hanli Cai, Minghong Yang, and Wei Chen "Corrosion of Fe-C coated FBG sensor and rebars: a comparative study", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842152 (17 October 2012); https://doi.org/10.1117/12.975172

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