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- W2893222628 abstract "The quality of alkaline liquids used in the activation of geopolymer concrete (GPC) is one of the key parameters that influences the strength of geopolymer concrete. Severalstudies have been conducted on the mechanical and durability properties of geopolymer concrete but the effect of variation of alkaline liquids’ quality on the strength ofgeopolymer concrete is still limited. Consequently, the study investigates the effect of hydrogen potential (pH) value of the alkaline liquids used in the activation of GPC mix by considering six different available products of sodium hydroxide (NaOH) pellets. Ground granulated blast furnace slag (GGBFS) and corncob ash (CCA) were utilizedas source minerals, and the grade 30 (M30) concrete was adopted as mix design proportion. Sodium hydroxide pellets were prepared in 14 molar concentrations. The pH values of alkaline liquids (ALs) and the compressive strengths of the concrete were determined. The experimental findings reveal the best compressive strength with a pH value of 13.75 at 28 days curing for product A compared with pH values of 13.64, 13.61, 13.53, 13.21, and 12.89 for products B, C, D, E, and F respectively. Therefore, it is deduced that higher pH value of ALs results in higher compressive strength of GPC.The developed regression model can thus be used to predict the relationship between pH of ALs and compressive strength of GPC." @default.
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- W2893222628 date "2018-07-01" @default.
- W2893222628 modified "2023-09-26" @default.
- W2893222628 title "MODELING OF HYDROGEN POTENTIAL AND COMPRESSIVE STRENGTH OF GEOPOLYMER CONCRETE" @default.
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