Abstract
A Major factor that affects the durability of a concrete structure is cracks formation induced by expansion of reinforcement corrosion. Therefore, monitoring and evaluating the corrosion level of the structure is essential for its safety. In order to monitor corrosion, an innovative methodology based on Fiber Bragg Grating (FBG) sensing technique was developed and tested in this paper. The method uses the volume of corrosion products to detect the evolution of corrosion. The corrosion process was accelerated by impressed current technique. A correlation between the FBG wavelength shift and corrosion percentage of reinforcement was found.
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