Experimental Study on Detection of Deterioration in Concrete Using Infrared Thermography Technique Public Deposited

http://ir.library.oregonstate.edu/concern/articles/b5644w458

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  • Concrete is certainly prone to internal deteriorations or defects during the construction and operating periods. Compared with other nondestructive techniques, infrared thermography can easily detect the subsurface delamination in a very short period of time, but accurately identifying its size and depth in concrete is a very challenging task. In this study, experimental testing was carried out on a concrete specimen having internal delaminations of various sizes and at varying depths. Delaminations at 1 and 2 cm deep showed a good temperature contrast after only 5-minute heating, but delaminations at 3 cm practically identified the value of the temperature contrast from heating of 15 minutes. In addition, the size of the delamination at 3 cm deep could be estimated with a difference of 10% to 28% for 20 minutes of heating. The depth of the delamination was linearly correlated with the increase in its size.
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  • Huh, J., Tran, Q. H., Lee, J. H., Han, D., Ahn, J. H., & Yim, S. (2016). Experimental Study on Detection of Deterioration in Concrete Using Infrared Thermography Technique. Advances in Materials Science and Engineering, 1053856. doi:10.1155/2016/1053856
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