INTERPRETING PUMPING TEST IN STRATIFIED CONFINED AQUIFER USING THE EQUIVALENT MODEL

Djaouida chenaf, Sarah Boukemidja, Afaf Moumin

In the proceedings of: GeoQuébec 2015: 68th Canadian Geotechnical Conference & 7th Canadian Permafrost Conference

Session: Groundwater / Eaux souterraines

ABSTRACT: Aquifer tests are commonly used to determine the hydrodynamic characteristics and boundary limits of stratified confined aquifers. However, the interpretation of the resulting data is made based on very simplistic assumptions lacking real-world validation. Heterogeneous and anisotropic layered aquifers are frequently treated using homogeneous anisotropic equivalent models whose neither spatial nor temporal validity have been assessed. This paper proposes a new approach to allow for a more reliable and appropriate application in such conditions, thus, overcoming the shortcomings of these models.

RÉSUMÉ: couramment utilisés pour la détermination des caractéristiques hydrodynamiques des fournies par ces essais restent limitées aux méthodes disponibles qui se basent sur des hypothèses très simplistes de la utilisée est celle du modèle équivalent homogène et anisotrope dont la vali, jusque-là, de ces méthodes dans de telles conditions.

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