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Statistical analyses of pressure signals, hydrogeologic characterization and evolution of Excavation Damaged Zone (claystone sites of Mont Terri and Tournemire)

Fatmi, Hassane and Ababou, Rachid and Matray, Jean-Michel and Nussbaum, Christophe Statistical analyses of pressure signals, hydrogeologic characterization and evolution of Excavation Damaged Zone (claystone sites of Mont Terri and Tournemire). (2011) In: MAMERN11: 4th International Conference on Approximation Methods and Numerical Modelling in Environment and Natural Resources, 23 May 2011 - 26 May 2011 (Saidia, Morocco).

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Abstract

We present statistical analyses of pore pressure and other signals, aimed at characterizing the properties of a geologic porous medium and, particularly, of the Excavation Damaged Zone ("EDZ") around underground galleries. The purpose is not only to identify the material properties, but also to quantify their evolution during excavation (creation of an EDZ). The methods are applied to two Underground Research Laboratories ("URL’s") in claystone sites: Mont Terri in Switzerland (gallery Ga98) and Tournemire in France (gallery Ga03). This work is part of the LP 14 experiment, an international research program of the Mont Terri Consortium, aimed at assessing the isolation properties of claystone as a potential geologic repository for radioactive waste (LP 14 experiment: Long term Pressure experiment, phase 14).

Item Type:Conference or Workshop Item (Lecture)
HAL Id:hal-00967868
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
French research institutions > Institut de Radioprotection et de Sûreté Nucléaire - IRSN (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Federal Office of Topography, swisstopo (SWITZLERLAND)
Laboratory name:
Statistics:download
Deposited By: Rachid ABABOU
Deposited On:10 Jan 2014 15:13

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