Analyse quantitative de l'hétérogénéité de la fracturation : application aux carrières souterrainesQuantitative analysis of fracturing heterogeneity: application to underground quarries |
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| Authors: | Adrian Cerepi |
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| Institution: | Institut Egid–Bordeaux-3, université Michel-de-Montaigne, Bordeaux-3, 1, allée Daguin, 33607 Pessac cedex, France |
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| Abstract: | The quantitative analysis of fracturation heterogeneity from Geographic Information System (GIS) has become very important for the modelling of underground quarries stability, the reservoir properties deduced from fracturing and their consequences on the groundwater run-off. This paper aims to give a method of quantitative analysis of fracturing in three underground limestone quarries of Gironde. More than 1000 fractures were measured, mapped and numbered. The heterogeneity analysis and the fracturing connectivity are based on the spatial distribution of geometrical parameters of each fracture, such as: openness, length, direction, orientation, spatial distribution of different fracture classes and connexity. To cite this article: A. Cerepi, C. R. Geoscience 334 (2002) 163–170. |
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| Keywords: | limestone underground quarries geometry fracturing network reservoir calcaire carrières souterraines géométrie réseau fissural réservoir Géomatériaux Geomaterials |
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