Journal
NDT & E INTERNATIONAL
Volume 45, Issue 1, Pages 128-132Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ndteint.2011.09.010
Keywords
Diffusion; Cracks; Damage; Elastic waves; Wave scattering
Funding
- EDF RD
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In civil engineering structures, the first layer of concrete plays a role in terms of water-tightness, and contributes to the protection of metal frames from corrosion by external chemical agents (water, CO(2), chlorine etc.). In concrete, a crack is comprised of an external part with a surface opening, and a completely or partially closed part below the surface. The aim of this paper is to identify the contribution of a real macro-crack on the diffuse ultrasound parameters. The methods ability to characterize the open part of the crack is confirmed. The results reveal the influence of the closed part of the crack, with regions in partial contacts, on the diffusion parameters. (C) 2011 Elsevier Ltd. All rights reserved.
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