[Modélisation thermodynamique de la plasticité et de l'endommagement d'une argilite.]
L'étude des caractéristiques physiques et mécaniques des argilites nous permet de mettre en évidence le caractère plastique et endommageable de ce type de matériau et de retenir les variables d'état nécessaires à la modélisation thermodynamique de leur comportement. Un potentiel thermodynamique qui rend compte des non linéarités du comportement est construit. Le couplage plasticité-endommagement se fait à l'aide d'une contrainte effective mise en évidence par le principe d'équivalence en déformations.
The study of the physical and mechanical characteristics of argillites allows us to retain the state variables useful for the thermodynamic modelling of their behaviour. We built a thermodynamic potential which reproduces the nonlinear behaviour. Plasticity-damage coupling is taken into account by using an effective stress coming from strain equivalence principle.
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Mots-clés : Sols, Roches, Plasticité, Endommagement, Couplage plasticité/endommagement, Argilites
Nathalie Conil 1 ; Irini Djeran-Maigre 2 ; Richard Cabrillac 2 ; Kun Su 3
@article{CRMECA_2004__332_10_841_0, author = {Nathalie Conil and Irini Djeran-Maigre and Richard Cabrillac and Kun Su}, title = {Thermodynamics modelling of plasticity and damage of argillite}, journal = {Comptes Rendus. M\'ecanique}, pages = {841--848}, publisher = {Elsevier}, volume = {332}, number = {10}, year = {2004}, doi = {10.1016/j.crme.2004.06.001}, language = {en}, }
TY - JOUR AU - Nathalie Conil AU - Irini Djeran-Maigre AU - Richard Cabrillac AU - Kun Su TI - Thermodynamics modelling of plasticity and damage of argillite JO - Comptes Rendus. Mécanique PY - 2004 SP - 841 EP - 848 VL - 332 IS - 10 PB - Elsevier DO - 10.1016/j.crme.2004.06.001 LA - en ID - CRMECA_2004__332_10_841_0 ER -
Nathalie Conil; Irini Djeran-Maigre; Richard Cabrillac; Kun Su. Thermodynamics modelling of plasticity and damage of argillite. Comptes Rendus. Mécanique, Volume 332 (2004) no. 10, pp. 841-848. doi : 10.1016/j.crme.2004.06.001. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2004.06.001/
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