Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 227, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2019.116686
Keywords
Waste ceramic powder (WCP); Curing temperature; Alkaline solution-to-binder ratio; Strength properties; ANOVA
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In this study, the optimum curing temperature and alkaline solution-to-binder (S:B) ratio of geopolymer mortars based on waste ceramic powder (WCP) were investigated. For this purpose, mixes with S:B ratios of 0.4-0.7 were prepared and cured at 60, 75, 90, and 105 degrees C. The density, compressive and flexural strengths were measured at 3, 7, 14, and 28 days. Higher S:B ratios enhanced the flow of the fresh mortar. The optimum mortar was obtained for S:B ratio of 0.6 and curing temperature of 90 degrees C. The SEM analysis revealed that the optimal mix had a dense matrix with minimum pores. (C) 2019 Elsevier Ltd. All rights reserved.
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