Properties of alkali-activated fly ashes determined from rheological measurements

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 2005 English Publisher:EmeraldJournal:Advances in Cement Research, volume 17, pages 143-151 (issn: 0951-7197, eissn: 1751-7605,

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Authors: Palomo, Ángel; Fernández-Jiménez, Ana; Banfill, P. F. G.; Swift, D. S.;

doi: 10.1680/adcr.2005.17.4.143

handle: 10261/32206

Properties of alkali-activated fly ashes determined from rheological measurements

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Abstract

A first approach to the rheological behaviour of pastes made of fly ashes and concentrated alkaline solutions has been carried out. As in Portland cement pastes, alkaline fly ash systems can be described by means of the Bingham model. Additionally, the treatment of the rheological data has provided information on the kinetics of reaction of these systems at very early stages. The iron content in the fly ash might play a significant role in determining the reaction rate.

Related Organizations

University of Edinburgh
United Kingdom

Keywords

Alkaline solutions, Cement pastes, fly ashes

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