Étude de la validité de l'approche d'equivalence pour l'analyse des essais d'aquifères en milieu confiné

Djaouida Chenaf, Sarah Boukemidja

In the proceedings of: GeoManitoba 2012: 65th Canadian Geotechnical Conference

Session: T2D - Seepage and Hydrogeology

ABSTRACT: Confined Aquifers tests are widely used for determining the hydrodynamic characteristics and aquifer boundaries. However, the interpretation of drawdown data provided by these tests is made by methods that use very simplistic assumptions of reality. The very common approach used in the case of heterogeneous and anisotropic aquifers in particular layered aquifers, is to consider the homogeneous and anisotropic equivalent model whose neither spatial nor temporal validity have been assessed. This paper proposes a new approach allowing the reliable use of this approach.

RÉSUMÉ: que la détection et la localisation des frontières qui les essais restent limitées aux méthodes disponibles qui se basent sur des hypothèses très simplistes de la réalité. Dans le cas des aquifères hétérogènes et anisotropes notamment les aquifèreévaluation quantitative ou qualitative. Cet article propose une nouvelle méthode podans de telles conditions.

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