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  4. Simulation of flow in fractured rocks using effective stress-dependent parameters and aquifer consolidation
 
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Simulation of flow in fractured rocks using effective stress-dependent parameters and aquifer consolidation

Auteur(s)
Preisig, Giona 
Centre d'hydrogéologie et de géothermie 
Editeur(s)
Cornaton, Fabien Joel
Perrochet, Pierre 
Centre d'hydrogéologie et de géothermie 
In
Proceedings of the ModelCARE, 2011///273-279
Mots-clés
  • numerical modelling

  • effective stress

  • fracture permeability...

  • fractured aquifers co...

  • Zeuzier

Résumé
Effective stress plays an important role in aquifer dynamics, especially in those affected by high variations of water pressures. Increasing/decreasing effective stresses affect hydrogeological parameters, even in media of high stiffness, such as fractured rocks. This study presents a modelling approach of groundwater flow in fractured rocks and aquifer deformation taking into account the dependency of hydrogeological parameters on effective stress. This approach has been illustrated by modelling a fractured aquifer dynamic, the Zeuzier arch dam settlement. The calibrated model showed agreement with measured data. This simulation method could be used to study the sensitivity of aquifers to variations in effective stress due to water pressure.
URI
https://libra.unine.ch/handle/123456789/9446
Autre version
http://iahs.info/redbooks/355.htm
Type de publication
Resource Types::text::journal::journal article
Dossier(s) à télécharger
 main article: Preisig_Giona-Simulation_of_flow_in_fractured_rock-20130311.pdf (1.32 MB)
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