A study of alkali-activated concrete mixes with ground granulated blast furnace slag

Journal article


Mavroulidou, M and Martynkova, R (2018). A study of alkali-activated concrete mixes with ground granulated blast furnace slag. Global NEST Journal. https://doi.org/10.30955/gnj.002370
AuthorsMavroulidou, M and Martynkova, R
Abstract

The paper presents a laboratory study of concrete mixes based on the alkali-activation of an industrial by-product, ground granulated blast furnace slag (GGBS). A number of factors potentially affecting the resulting concrete quality in terms of workability and strengths were investigated (namely activator type, molarity, curing conditions and times). The statistical significance of the effect of these factors was supported by ANOVA. Higher workability and strengths (with lower activator concentrations) were obtained for KOH containing mixes. Curing at constant moisture and ambient temperature was successful for most alkaline activators and mixes, which showed good concrete strengths at all curing times; when Na2SiO3 was used in addition to NaOH or KOH activators of moderate to high molarity, strengths exceeded those of Ordinary Portland Cement (CEM-I) concrete of a similar water/cement ratio.

Keywordsalkali activated cement concrete, ground granulated blast furnace slag, green construction materials, solid waste management
Year2018
JournalGlobal NEST Journal
PublisherCOSMOS
Digital Object Identifier (DOI)https://doi.org/10.30955/gnj.002370
Publication dates
Print26 Apr 2018
Publication process dates
Deposited04 Apr 2018
Accepted24 Jan 2018
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