Etude de diverses roches au laboratoire par ondes ultrasonores |
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Authors: | Mouza du Jean Aissaoui Abdelkader Pavone Didier |
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Affiliation: | 1. Centre de Géologie de l'Ingénieur, Ecole Nationale Supérieure des Mines, 60, Boulevard Saint Michel, 75272, Paris, cedex 06, France 2. Ecole Nationale des Ponts et Chaussées, 28, rue des Saints Pères, Paris 7e, France
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Abstract: | The wave propagation velocity in the rocks is a well known tool with many applications in their structure and conditions studies (porosity, microcracks, saturation) or for the relationship with their mechanical properties (Rc, dynamic modulus, ...). In this paper, the interest of the signal shape study is pointed out for a better characterization of the porous medium. An examination of the transmitted frequencies looks particularly promising for materials quality determination. |
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