Durability Studies of Fly Ash Based Geopolymer Concrete

A detailed study on the durability of geopolymer concrete has been done. Geopolymer concrete is an\ud environment friendly concrete which has lower carbon footprint as compared to that of conventional concrete. In\ud this study, cement has been replaced by fly ash and the properties such as compressive strength, sulphur\ud resistance, acid resistance, water absorption, sorptivity and chloride attack have been studied. Class F fly ash has\ud been used and geopolymer concrete was heat cured for 24 hours under 75◦C. It was observed that use of\ud geopolymer in concrete not only reduces its greenhouse footprint but, also increases its strength and resistivity\ud to harmful acids