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Experimental characterization of the thermo-poro-mechanical properties of the Aegion Fault gouge [Caractérisation expérimentale des propriétés thermo-poro-mécaniques de la gouge de la faille d'Aegion]

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Experimental characterization of the thermo-poro-mechanical properties of the Aegion Fault gouge [Caractérisation expérimentale des propriétés thermo-poro-mécaniques de la gouge de la faille d'Aegion] (EN)
Hans, J (EN)
Sulem, J (EN)
Ouffroukh, H (EN)
Boulon, M (EN)
Vardoulakis, I (EN)
journalArticle (EN)
2014-03-01T01:20:27Z
2004 (EN)
The experimental characterization of the thermo-poro-mechanical behaviour of Aegion Fault drilling cores is presented. The heart of the fault is met at a depth of 760 m and consists of clay-rich material on a length of about I m. This zone is surrounded by a cataclastic one. Here the thermo-poro-mechanical behaviour of the clayey core is investigated by means of oedometer and triaxial compression experiments. It is shown that softening behaviour under thermal loading is possible. Thermal collapse of the material may thus activate fluid pressurisation inside the fault and trigger fault slip. In addition, the behaviour of the interface between the intact rock and the cataclastic zone is studied by direct shear tests. To cite this article: J. Sulem et al., C R. Geoscience 336 (2004). (C) 2004 Academie des sciences. Published by Elsevier SAS. All rights reserved. (EN)
Geosciences, Multidisciplinary (EN)
Softening behaviour (EN)
core logging (EN)
oedometer test (EN)
porosity (EN)
fault (EN)
fault gouge (EN)
triaxial test (EN)
Ionian Sea (EN)
Gulf of Corinth (EN)
Clays (EN)
Thermo-mechanical testing (EN)
rift zone (EN)
thermomechanics (EN)
Fault gouge (EN)
Mediterranean Sea (EN)
Interface (EN)
Comptes Rendus - Geoscience (EN)
French
EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER (EN)
National Technical University of Athens
Digital Library of National Technical University of Athens | Dspace@NTUA
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά



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