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International Journal for Multiscale Computational Engineering
Fator do impacto: 1.016 FI de cinco anos: 1.194 SJR: 0.452 SNIP: 0.68 CiteScore™: 1.18

ISSN Imprimir: 1543-1649
ISSN On-line: 1940-4352

International Journal for Multiscale Computational Engineering

DOI: 10.1615/IntJMultCompEng.v8.i4.10
pages 357-368

Creep of a C-S-H Gel: Micromechanical Approach

Julien Sanahuja
Lafarge Centre de Recherche, 95 rue du Montmurier, BP 15, 38291 Saint-Quentin Fallavier cedex, France; Presently at EDF R&D, Departement MMC, Site des Renardieres, Avenue des Renardieres, E´cuelles, 77818 Moret sur Loing cedex, France
Luc Dormieux
LMSGC, Institut Navier, Ecole Nationale des Ponts et Chaussees


Both clays and calcium silicate hydrates (the main hydration products of Portland cements) exhibit a microstructure made up of lamellar particles. The microscopic mechanism responsible for the macroscopic creep of such materials is often described as the sliding of the sheets one onto the other. This paper proposes a micromechanical approach to estimate the macroscopic creep behavior rising from this microscopic mechanism. The asymptotic evolution of effective creep at both short and large times is especially investigated. The influence of the shape of the particles is also quantitatively discussed.


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