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A STYDY ON MECHANICAL PROPERTIES UNDER THE INFLUENCE OF FELDSPAR ACTIVATOR ON GEOPOLYMERIZATION OF REDMUD AND GGBS

Ajay B Hadimani

Abstract


It is well known fact that the Ordinary Portland Cement (OPC) is most important construction material. Keeping in view the hazardous effects of Portland cement on environment, efforts are being put to reduce use of cement in concrete with its partial or full replacement by various waste materials such as Red mud (RM), Ground Granulated Blas Furnace Slag (GGBFS or GGBS), Flyash, Silica fume etc.. Geopolymer Concrete (GPC) is a result of such effort. Geopolymerization mechanism involves the reaction between various materials rich in silica and alumina such as RM and GGBS etc. in the presence of alkaline medium to form a binder which binds the aggregates and the other unreacted materials together to form a complex and strong system called Geopolymer Concrete. An experimental study was conducted to arrive at an optimum mix proportion for GPC and thus to study its mechanical propertiesviz., compressive strength, split tensile strength and flexural strength. This investigation also involves the study of elemental composition of GPC and its composite materials.

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References


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DOI: https://doi.org/10.37628/jgget.v5i1.509

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