Effect of fibers on the mechanical properties of fly ash and GGBS based geopolymer concrete under different curing conditions

Abstract

This study is aimed at investigating the effect of various curing methods on the mechanical properties of fiber reinforced geopolymer concrete samples. In addition to compressive strength, split tensile strength, flexural strength, impact strength, density and workability are also examined. From the investigation it is found that in the heat curing method, there is only a marginal increase in compressive strength at 28 days when compared with the ambient curing. On the other hand, a drastic increase in compressive strength is found at 3 days because of heat curing due to high geopolymerization process. It is observed that, the compressive strength and density increase with high volume of steel fibers, split tensile and Flexural strengths have similar trend to compressive strength.