Mixing of concrete or mortars: Distributive aspects / Véronique Collin in Cement and concrete research, Vol. 39 N° 8 (Août 2009)  

Public ISBD [article]  inCement and concrete research > Vol. 39 N° 8 (Août 2009) . - pp. 678–686 Titre : Mixing of concrete or mortars: Distributive aspects Type de document : texte imprimé Auteurs : Véronique Collin, Auteur ; Pierre-Henri Jézéquel, Auteur Année de publication : 2009 Article en page(s) : pp. 678–686 Langues : Anglais (eng) Mots-clés : Dispersion  Fresh concrete  Mixing Résumé : This article describes an experimental methodology offering efficiency criteria for granular materials in terms of their mixing distributive capability. The methodology is based on analyzing the distribution kinetics of colored tracer particles which were demonstrated to respond similar to cement particles during mixing. The effect of certain critical parameters such as the mixer type, the volume and the mixer speed are investigated. The influence of mix design characteristics on distribution is also presented for several mixer types. Finally, a comparison of the dispersive versus the distributive capability is achieved for several (mixer, mix design) systems, which opens opportunities for defining rules for transfer and extrapolation. Note de contenu : Génie Civil ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884609001252 [article] Mixing of concrete or mortars: Distributive aspects [texte imprimé] / Véronique Collin, Auteur ; Pierre-Henri Jézéquel, Auteur . - 2009 . - pp. 678–686. Langues : Anglais (eng) in Cement and concrete research > Vol. 39 N° 8 (Août 2009) . - pp. 678–686 Mots-clés : Dispersion  Fresh concrete  Mixing Résumé : This article describes an experimental methodology offering efficiency criteria for granular materials in terms of their mixing distributive capability. The methodology is based on analyzing the distribution kinetics of colored tracer particles which were demonstrated to respond similar to cement particles during mixing. The effect of certain critical parameters such as the mixer type, the volume and the mixer speed are investigated. The influence of mix design characteristics on distribution is also presented for several mixer types. Finally, a comparison of the dispersive versus the distributive capability is achieved for several (mixer, mix design) systems, which opens opportunities for defining rules for transfer and extrapolation. Note de contenu : Génie Civil ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884609001252

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