Upscaling permeability for fractured concrete: meso-macro numerical approach coupled to strong discontinuities - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue International Journal for Numerical and Analytical Methods in Geomechanics Année : 2014

Upscaling permeability for fractured concrete: meso-macro numerical approach coupled to strong discontinuities

Résumé

A two scales numerical analysis is set up in order to upscale the permeability of fractured materials such as concrete. To that aim we couple FE kinematics enhancements (strong discontinuities) representing fine scale cracks to the fine scale permeability tensor. The latter may be split into two parts: the first one is isotropic and corresponds to flows within the porosity of the material; the second one, based upon a set of cracks with different orientations and openings, is anisotropic. For the latter each crack is a path for mass flow according to the Poiseuille law considering two infinite planes. We show how the upscaling procedure leads both to the definition of macroscopic permeability tensors as well as the flow rate evaluation for components of concrete structures.

Domaines

Génie civil
Fichier principal
Vignette du fichier
IJNAMG_2014_Draft.pdf (1.46 Mo) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-01006624 , version 1 (16-06-2014)

Identifiants

Citer

Xavier Jourdain, Jean-Baptiste Colliat, Caroline de Sa, Farid Benboudjema, Fabrice Gatuingt. Upscaling permeability for fractured concrete: meso-macro numerical approach coupled to strong discontinuities. International Journal for Numerical and Analytical Methods in Geomechanics, 2014, 38 (5), pp.536-550. ⟨10.1002/nag.2223⟩. ⟨hal-01006624⟩
219 Consultations
259 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More