Author:
Sreelekshmi S,Chandran Remya S,Varghese Sera Rachel,Naeem ,Raju Thushara,Ramaswamy K P
Abstract
Abstract
Alkali activated concrete (AAC) is accepted as impending alternatives to conventional Ordinary Portland cement concrete in order to limit CO2 emissions as well as beneficiate a number of wastes into useful products. This study aims to explore the possibilities of using red mud, which is a waste product of aluminum manufacturing industry, as a geopolymer solid binder. The fresh properties such as setting time, workability and penetration resistance and the hardened properties like compressive strength and ultra-sonic pulse velocity (UPV) test of various red mud mixes along with fly ash (FA) and slag are found out. Also some of the specimens were immersed in water to check if there is any leaching. From the study it was identified that the mix with 25% red mud and 75% slag gives a better workability and strength characteristics.
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