Based on the the electro-thermal effect of carbon fiber reinforcement concrete (CFRC), the infrared images of cracked CFRC have been obtained by infrared thermography inspection. In this paper, a theoretical model has been built up and the finite element method is adopted to simulate the infrared images and analyze the inspection mechanism. As a result, the numerical distribution of the surface temperature is given by programming computation. The difference between the numerical result and the infrared inspection result is analyzed, and the reasons causing the difference are referred as well.
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