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Proceedings Paper

Theoretical and experimental study on estimation of chloride content in concrete using electromagnetic wave
Author(s): Junichiro Nojima; Hiroki Ikeda; Mami Uchida; Toshiaki Mizobuchi
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Paper Abstract

It is very difficult to detect chloride-induced corrosion early, because it is not possible to confirm the degradation of concrete until cracks induced by corrosion expansion of re-bars appear on the concrete surface. Thus, development of truly non-destructive tests to estimate the chloride content in concrete could make it possible to study the changes in chloride concentration over time, without having to physically approach the structure, or cause any damage to it. Such methods would greatly improve our ability to foresee the possibility of reinforcement corrosion at early stages, and enable us to take the required corrective action at an appropriate time. In this report, in order to evaluate the applicability of non-destructive method which is possible to estimate the chloride content included in cover concrete, the results of theoretical and experimental attempts to estimate the chloride content in cover concrete of the RC structure using the electromagnetic waves are reported.

Paper Details

Date Published: 16 April 2013
PDF: 9 pages
Proc. SPIE 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013, 869406 (16 April 2013); doi: 10.1117/12.2009929
Show Author Affiliations
Junichiro Nojima, Hosei Univ. (Japan)
Hiroki Ikeda, Hosei Univ. (Japan)
Mami Uchida, Hosei Univ. (Japan)
Toshiaki Mizobuchi, Hosei Univ. (Japan)


Published in SPIE Proceedings Vol. 8694:
Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013
Tzu Yang Yu, Editor(s)

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