Analyse micromécanique du couplage perméabilité-contrainte d'une argilite fracturée
| type de publication |
article dans une revue internationale avec comité de lecture |
| date de publication |
01-10-2007 |
| auteur(s) |
Lemarchand Eric; Dormieux Luc; Davy Catherine A.; Skoczylas Frédéric |
| journal (abréviation) |
Revue Européenne de Génie Civil (REGC) |
| volume (numéro) |
11 (6) |
| | |
| pages |
763 – 773 |
| résumé |
A micromechanics-based analysis is developed throughout this paper in order to study stress loading/permeability couplings in cracked porous media. Fracture closure phenomena under macrocopic compressive stresses are addressed for a fracture modelled as an arrangement of parallel cracks. This first multiscale step emphasizes the key role of the cracks connectedness on the macroscopic permeability evolution with respect to the applied confining pressure. |
| mots clés |
micromechanics, shales, permeability, fracture, cracks, local mechanism. |
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