Prediction of the plastic viscosity of self-compacting steel fibre reinforced concrete / Akbar Ghanbari in Cement and concrete research, Vol. 39 N° 12 (Décembre 2009)  

Public ISBD [article]  inCement and concrete research > Vol. 39 N° 12 (Décembre 2009) . - pp. 1209-1216 Titre : Prediction of the plastic viscosity of self-compacting steel fibre reinforced concrete Type de document : texte imprimé Auteurs : Akbar Ghanbari, Auteur ; Bhushan L. Karihaloo, Auteur Année de publication : 2010 Article en page(s) : pp. 1209-1216 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Rheology  Workability  Fresh concrete  Fibre reinforcement  Self-compacting concrete Index. décimale : 691 Matériaux de construction. Pièces et parties composantes Résumé : Micromechanical constitutive models are used to predict the plastic viscosity of self-compacting steel fibre reinforced concrete (SCFRC) from the measured plastic viscosity of the paste. The concrete is regarded as a two-phase composite in which the solid phase is suspended in a viscous liquid phase. The liquid matrix phase consists of cement, water and any viscosity modifying agent (VMA) to which the solids (fine and coarse aggregates and fibres) are added in succession. The predictions are shown to correlate very well with available experimental data. Comments are made on the practical usefulness of the predicted plastic viscosity in simulating the flow of SCFRC. DEWEY : 620.13 ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884609002312 [article] Prediction of the plastic viscosity of self-compacting steel fibre reinforced concrete [texte imprimé] / Akbar Ghanbari, Auteur ; Bhushan L. Karihaloo, Auteur . - 2010 . - pp. 1209-1216. Génie Civil Langues : Anglais (eng) in Cement and concrete research > Vol. 39 N° 12 (Décembre 2009) . - pp. 1209-1216 Mots-clés : Rheology  Workability  Fresh concrete  Fibre reinforcement  Self-compacting concrete Index. décimale : 691 Matériaux de construction. Pièces et parties composantes Résumé : Micromechanical constitutive models are used to predict the plastic viscosity of self-compacting steel fibre reinforced concrete (SCFRC) from the measured plastic viscosity of the paste. The concrete is regarded as a two-phase composite in which the solid phase is suspended in a viscous liquid phase. The liquid matrix phase consists of cement, water and any viscosity modifying agent (VMA) to which the solids (fine and coarse aggregates and fibres) are added in succession. The predictions are shown to correlate very well with available experimental data. Comments are made on the practical usefulness of the predicted plastic viscosity in simulating the flow of SCFRC. DEWEY : 620.13 ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884609002312

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