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dc.contributor.authorSalvador, Renan
dc.contributor.authorPialarissi Cavalaro, Sergio Henrique
dc.contributor.authorCano, Miguel
dc.contributor.authorDomingues de Figueiredo, Antonio
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.date.accessioned2016-06-15T13:56:06Z
dc.date.available2018-11-01T01:30:19Z
dc.date.issued2016-10
dc.identifier.citationSalvador, R., Pialarissi Cavalaro, S.H., Cano, M., de Figueiredo, A.D. Influence of spraying on the early hydration of accelerated cement pastes. "Cement and concrete research", Octubre 2016, vol. 88, p. 7-19.
dc.identifier.issn0008-8846
dc.identifier.urihttp://hdl.handle.net/2117/88033
dc.description.abstractIn practice, most of the studies about the interaction between cement and accelerators is performed with hand-mixed pastes. However, in many applications mixing occurs through spraying, which may affect accelerators reactivity and the microstructure of the hardened paste. The objective of this study is to analyze how the mixing process influences the early hydration of accelerated cement pastes. Isothermal calorimetry, X-ray diffraction, thermogravimetry and SEM imaging were performed on cement pastes produced by hand-mixing and by spraying, using equivalent doses of an alkali-free and an alkaline accelerator and two types of cement. Results showed a great influence of the spraying process on the reactivity of accelerators and on the morphology of the precipitated hydrates. Variations in hydration kinetics caused by the mixing method are explained and the results obtained might have a significant repercussion on how future research on the behavior of accelerated mixes will be performed.
dc.format.extent13 p.
dc.language.isoeng
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures de formigó
dc.subject.lcshCement--Additives
dc.subject.otherCement paste
dc.subject.otherHydration
dc.subject.otherMicrostructure
dc.subject.otherAccelerator
dc.subject.otherMixing process
dc.titleInfluence of spraying on the early hydration of accelerated cement pastes
dc.typeArticle
dc.subject.lemacCiment -- Additius
dc.contributor.groupUniversitat Politècnica de Catalunya. EC - Enginyeria de la Construcció
dc.identifier.doi10.1016/j.cemconres.2016.06.005
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S000888461630179X
dc.rights.accessOpen Access
drac.iddocument18559385
dc.description.versionPostprint (author's final draft)
upcommons.citation.authorSalvador, R., Pialarissi Cavalaro, S.H., Cano, M., de Figueiredo, A.D.
upcommons.citation.publishedtrue
upcommons.citation.publicationNameCement and concrete research
upcommons.citation.volume88
upcommons.citation.startingPage7
upcommons.citation.endingPage19


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