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Influence of multiple scattering in heterogeneous concrete on results of the surface wave inverse problem

Abstract : This paper computes the phase velocity dispersion curves of coherent surface waves by taking into account multiple scattering in an elastic matrix containing elastic circular inclusions. The computed dispersion curves are inverted with a global neighborhood algorithm that considers a stratified medium with linear homogeneous and isotropic elastic layers. The impact of multiple scattering on the results is quantified. Since the surface wave phase velocity is not constant with frequency, the inversion provides solutions composed of homogeneous layers. The shear wave velocity profiles of the inverted medium and their impact on concrete porosity estimation is the subject of discussion.
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Article dans une revue
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https://hal.archives-ouvertes.fr/hal-01251081
Contributeur : Marie-Annick Guillemer <>
Soumis le : mardi 5 janvier 2016 - 15:54:48
Dernière modification le : vendredi 5 février 2021 - 03:48:40

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Metais Vincent, Mathieu Chekroun, Loïc Le Marrec, Alain Le Duff, Guy Plantier, et al.. Influence of multiple scattering in heterogeneous concrete on results of the surface wave inverse problem. NDT & E International, Elsevier, 2016, 79, pp.53-62. ⟨10.1016/j.ndteint.2015.12.004⟩. ⟨hal-01251081⟩

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