Study of the dielectric gradient values of reinforced concrete sample by considering radar measurements in an inverse problem.

Autor:	Ferrieres, X., Klysz, G., Guihard, V., Albrand, M.
Předmět:	REINFORCED concrete INVERSE problems DIELECTRICS REINFORCING bars RADAR NONLINEAR analysis
Zdroj:	Inverse Problems in Science & Engineering; Jan2021, Vol. 29 Issue 1, p2-16, 15p
Abstrakt:	The goal of this study is to develop a tool that will evaluate the moisture content gradient in the depth of reinforced concretes in the context of building safety. The monitoring of ageing phenomena, such as the corrosion of steel reinforcements, depends on the amount of water and on its gradient as they are directly related to the dielectric values of the concrete. In this paper, to obtain these values, we propose to solve an inverse problem for reinforced concrete. First, an experimental device based on radar measurements is proposed with its 3D numerical model. Next, we describe an inverse process to determine a dielectric profile according to the depth and validate it on measured data obtained for control samples. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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