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The Influence of Production Parameters on Pozzolanic Reactivity of Calcined Clays

Auteur(s): (PhD Researcher SINTEF Building and Infrastructure Pb 4760 Torgarden, 7465 Trondheim , Norway)
(PhD Chief Scientist SINTEF Building and Infrastructure Pb 4760 Torgarden, 7465 Trondheim , Norway)
Médium: article de revue
Langue(s): anglais
Publié dans: Nordic Concrete Research, , n. 1, v. 59
Page(s): 1-12
DOI: 10.2478/ncr-2018-0011
Abstrait:

Calcined clays are gaining increasing interest as future supplementary cementitious materials for the production of blended cements. Besides the mineralogy, the right production conditions can affect the pozzolanic activity of calcined clays. In this paper, the pozzolanic reactivity of two calcined natural clays in dependence of burning temperature, residence time in the furnace, cooling conditions and particle size of the final product is investigated. The highest pozzolanic reactivity was found at calcination temperatures between 600 and 800°C. While different cooling conditions had no identified effect on reactivity, decreased particle size and residence time increased the reactivity.

Structurae ne peut pas vous offrir cette publication en texte intégral pour l'instant. Le texte intégral est accessible chez l'éditeur. DOI: 10.2478/ncr-2018-0011.
  • Informations
    sur cette fiche
  • Reference-ID
    10705862
  • Publié(e) le:
    19.02.2023
  • Modifié(e) le:
    19.02.2023
 
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