SharePoint
Aide
Faire avancer la sûreté nucléaire

La Recherchev2

Publications

Triaxial behaviour of transversely isotropic materials: Application to sedimentary rocks


Fermer

Authentification

Email :

Mot de passe :

Titre de la revue : International Journal for Numerical and Analytical Methods in Geomechanics Volume : 31 N° : 13 Pagination : 1517-1535 Date de publication : 01/11/2007

Type de document > *Article de revue

Mots clés > contraintes triaxiales, isotropie transverse, roche, viscoplasticité

Unité de recherche > IRSN/DEI/SARG/BEHRIG

Auteurs > REJEB Amel, ROUABHI Ahmed, TIJANI Michel

Date de publication > 01/11/2007

Résumé

Failure and long-term behaviour of oriented solids are studied. Transversely isotropic materials are considered and a mathematical formulation that respect the material symmetry is developed and applied to model the triaxial behaviour of sedimentary rocks. Two failure criteria and a viscoplastic constitutive model that describe, respectively, triaxial failure and triaxial creep tests are presented and discussed. The application of the developed models to describe the mechanical behaviour of Tournemire shale shows that theoretical predictions are in good agreement with the experimental data. In the present paper, the developed approach is applied to sedimentary rock materials, nevertheless, it can be generalized to any material that exhibits transverse isotropy