An investigation into the strength development of Wastepaper Sludge Ash blended with Ground Granulated Blastfurnace Slag / E. Mozaffari in Cement and concrete research, Vol. 39 N° 10 (Octobre 2009)  

Public ISBD [article]  inCement and concrete research > Vol. 39 N° 10 (Octobre 2009) . - pp. Titre : An investigation into the strength development of Wastepaper Sludge Ash blended with Ground Granulated Blastfurnace Slag Type de document : texte imprimé Auteurs : E. Mozaffari, Auteur ; J.M. Kinuthia, Auteur ; J. Bai Wild, Auteur Année de publication : 2009 Article en page(s) : pp. Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Wastepaper Sludge Ash  lag  Lime  Setting  Strength Index. décimale : 691 Matériaux de construction. Pièces et parties composantes Résumé : Wastepaper Sludge Ash (WSA) contains reactive components such as free lime (CaO), and less reactive and inert mineral species. When water is added to WSA some constituents hydrate faster than others, lime being the fastest giving high alkalinity to the solution. If the WSA is combined with Ground Granulated Blastfurnace Slag (GGBS) then the latter, activated by the raised pH, produces new minerals which will contribute further to the strength development of the paste. The kinetics of the hydration reactions and the possible ways of making lime a more effective contributor in activating other phases in the WSA–GGBS system are discussed. DEWEY : 620.13 ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884609001525 [article] An investigation into the strength development of Wastepaper Sludge Ash blended with Ground Granulated Blastfurnace Slag [texte imprimé] / E. Mozaffari, Auteur ; J.M. Kinuthia, Auteur ; J. Bai Wild, Auteur . - 2009 . - pp. Génie Civil Langues : Anglais (eng) in Cement and concrete research > Vol. 39 N° 10 (Octobre 2009) . - pp. Mots-clés : Wastepaper Sludge Ash  lag  Lime  Setting  Strength Index. décimale : 691 Matériaux de construction. Pièces et parties composantes Résumé : Wastepaper Sludge Ash (WSA) contains reactive components such as free lime (CaO), and less reactive and inert mineral species. When water is added to WSA some constituents hydrate faster than others, lime being the fastest giving high alkalinity to the solution. If the WSA is combined with Ground Granulated Blastfurnace Slag (GGBS) then the latter, activated by the raised pH, produces new minerals which will contribute further to the strength development of the paste. The kinetics of the hydration reactions and the possible ways of making lime a more effective contributor in activating other phases in the WSA–GGBS system are discussed. DEWEY : 620.13 ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884609001525

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