Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux

Type de document

ARTICLE A COMITE DE LECTURE NON REPERTORIE DANS BDI (ACLN)

Langue

anglais

Auteur

SIDHOM ; DORMIEUX ; LEMARCHAND

Résumé / Abstract

Many research activities have contributed to extend the homogenization schemes and variational bounds to account for surface stresses, in the case of matrix-inclusion composite materials. The nanostructure of clay-based and cement-based materials rather exhibits a disordered granular-like morphology which is usually well described by using the self-consistent scheme. Within this context, this paper proposes an extension of Kroener's self-consistent scheme incorporating the physics of surface stress. The poromechanical coupling is also considered through the concept of disjoining pressure. Closed-form solutions for the homogenized elastic and poroelastic moduli that are derived and simplified expressions of these moduli are reported for asymptotic cases.

Source

Journal of Nanomechanics and Micromechanics, num. 3, p04014001 p.

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