Journal
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS
Volume 18, Issue 8, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219455418400011
Keywords
Fiber Bragg grating sensor; early corrosion evolution; electricity accelerated rebar corrosion experiment; mass loss rate
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Funding
- National Natural Science Foundation of China [51578347]
- Program for Liaoning Innovative Research Team in University [LT2015023]
- Natural Science Foundation of Liaoning Province [2015020578]
- Liaoning Bai Qian Wan Talents Program [2014921045]
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Cracks of structural members caused by rebar corrosion directly influence the service life of reinforced concrete structures. Therefore, it is important to monitor early corrosion evolution of the rebar and take the early steps to overcome the situation. In this paper, the response relationship between wavelength variation of Fiber Bragg grating (FBG) sensor and mass loss rate of the rebar is derived. The accuracy of the proposed theoretical model is verified by the electricity accelerated rebar corrosion experiment. It indicates that the theoretical model matches well with the tested value. Moreover, in this study, real-time online early monitoring of rebar corrosion evolution is built.
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