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Type: Conference paper
Title: Engineering properties of slag-based geopolymer concrete
Author: Albitar, M.
Mohamed Ali, M.
Visintin, P.
Citation: Proceedings of the First International Conference on Construction Materials and Structures, 2014 / Ekolu, S., Dundu, M., Gao, X. (ed./s), pp.503-510
Publisher: IOS Press
Issue Date: 2014
ISBN: 9781614994657
Conference Name: First International Conference on Construction Materials and Structures (24 Nov 2014 - 26 Nov 2014 : Johannesburg)
Editor: Ekolu, S.
Dundu, M.
Gao, X.
Statement of
M. Albitar, M.S. Mohamed Ali, P. Visintin
Abstract: Geopolymer concrete is manufactured from high-volume waste materials, such as fly ash from coal-burning power stations and can be altered by adding mineral admixtures, such as ground granulated slag or granulated lead smelter slag. The addition of these admixtures may lead to increase the compressive strength of fly ash, or reduce the amount of cementitious material in the binder, which in turn reduces costs and offers further environmental benefits. This paper presents an experimental study on the behavior of slag-based geopolymer concrete. The experimental program included 25 mix designs which were used to examine several parameters. The key parameters considered were the slag-to-fly ash ratio, slag-to-river sand ratio, alkaline solution-to-binder ratio and curing method. The mechanical properties were tested, analyzed and compared to the American Concrete Institute and Australian Standards set for ordinary Portland cement concrete in order to determine the similarities and differences. The results show that using partially slag as a binder of up to 75% can provide a normal concrete strength. The results concluded that the mechanical properties of the slag-based geopolymer concrete were similar to that of fly ash-based geopolymer concrete.
Rights: © 2014 The authors and IOS Press.
DOI: 10.3233/978-1-61499-466-4-503
Appears in Collections:Aurora harvest 7
Civil and Environmental Engineering publications

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