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A macroscopic elastoplastic constitutive law for multilayered media: application to reinforced earth material

type de publication      article dans une revue internationale avec comité de lecture
date de publication 1994
auteur(s) Pruchnicki Erick
journal (abréviation) International Journal for Numerical & Analytical Methods in Geomechanics (INT J NUMER ANAL MET)
volume (numéro) 18(7)
pages 507 – 518
résumé This paper refers to the formulation of a macroconstitutive law for elastoplastic miltilayered media, using both thermodynamical approach and homogenization procedure. The latter shows that both the microstress and strain tensors are constant in each constituent. This result permits the formulation of a macroconstitutive law involving the microplastic strains as internal parameters. Both the macrofree energy and dual dissipation potential are computed and used to derive explicit expressions for the macrocompliance tensor, yield surface and hardening rule. Finally, this law is used to analyse the behavior of a reinforced earth material under various loading paths
mots clés homogenized elastoplastic
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