Abstract
AbstractThis study discusses the effect of incorporation of ground-granulated blast furnace slag (GGBS) and ordinary Portland cement (OPC) in the fly ash-based (FA) geopolymer mortar (GPM). The sodium silicate and sodium hydroxide solutions were used to activate the GPM mixes. For all the mixes, the alkali/binder ratio, molarity (M), and SS/SH ratio were kept constant at 0.45, 12 M, and 2, respectively. Both the ambient and heat curing was studied to discuss the properties of GPM. In the fresh properties, the flow was calculated. For calculating the mechanical and durability properties like compressive strength at three, seven, and twenty-eight days, water absorption and acid attack were calculated for 28 days of curing. The compressive strength of GPM containing 20% GGBS improved significantly at twenty-eight days of curing at both ambient and heat curing.KeywordsGeopolymer mortarGround-granulated blast furnace slagOrdinary Portland cement
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