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Étude géophysique des phénomènes de transfert dans les argilites du Callovo-Oxfordien partiellement saturées en eau : application à l'EDZ du site de Bure

Damien Jougnot 1
1 Institut de Géophysique
IG - Institut de Géophysique
Abstract : In order to study the high activity long life radioactive waste storage, ANDRA has built an underground laboratory in the Callovo-Oxfordian clay-rocks at 500 meters deep. Gallery excavation in deep clay-rock formations induces an Excavated Damaged Zone (EDZ) characterized by hydro-mechanical perturbations evolving with time. We have used geoelectrical methods to study hydraulic, ionic, and thermal transfer phenomena in partially saturated clay-rocks: the spectral induced polarization and the streaming potential. We have developed mechanistic models to link geo-electrical results on samples to transport properties in partially saturated conditions: effective diffusion coefficient and thermal conductivity.
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https://tel.archives-ouvertes.fr/tel-00720664
Contributor : Damien Jougnot <>
Submitted on : Wednesday, July 25, 2012 - 12:35:36 PM
Last modification on : Thursday, November 5, 2020 - 10:50:06 AM
Long-term archiving on: : Friday, December 16, 2016 - 2:51:19 AM

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  • HAL Id : tel-00720664, version 1

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Damien Jougnot. Étude géophysique des phénomènes de transfert dans les argilites du Callovo-Oxfordien partiellement saturées en eau : application à l'EDZ du site de Bure. Hydrologie. Université de Savoie, 2009. Français. ⟨tel-00720664⟩

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