Quantitative impulse-thermography as non-destructive testing method in civil engineering -- Experimental results and numerical simulations
Ch. Maierhofer A. Brink, M. R?llig and H. Wiggenhauser
2005 Construction and Building Materials, 19(10), 731-737
Ch. Maierhofer A. Brink, M. R?llig and H. Wiggenhauser, (2005), "Quantitative impulse-thermography as non-destructive testing method in civil engineering -- Experimental results and numerical simulations", Construction and Building Materials, 19(10), 731-737.
Abstract:
Impulse-thermography is an active method for quantitative investigation of the near surface region of various structures which has recently been applied to civil engineering. It is well suited for the detection of voids and honeycombing in concrete up to concrete covers of 10 cm and more. For quantitative analysis, a computer program for numerical simulation of the heating up and cooling down processes was developed based on Finite Differences. With this program parameter studies have been performed for investigating the influence of environmental conditions, material parameters and geometry on the thermal behaviour. The comparison between experimental and simulated results enables the Inverse Solution.
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