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ISSN 2063-5346
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Partial Replacement of Cement with Rice Husk Ash Based Geopolymer Concrete with M40 Grade

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Kallagunta Rakesh , Dr.Atluri Venkateswara Rao
» doi: 10.48047/ecb/2023.12.si7.014

Abstract

This work constitutes Concrete is an important material for construction. Geopolymer concrete is a unique eco-friendly building material since it uses fly ash and alkali to replace OPC as the binding agent. To lessen the global warming effects of construction, fly ash is utilized instead of cement. This study presents findings from studies on steel-reinforced geopolymer concrete made from fly ash and rice husk ash. The goal of this study is to evaluate the effectiveness of geopolymer concrete made with different percentages of rice husk ash as a cement replacement. Compressive strength is shown to decrease as the percentage of rice husk ash in the material increases. In place of fly ash, RHA can be utilized in geopolymer concrete at a maximum substitution rate of 20%. The recycling of used materials is the project's main focus. Substituting rice husk ash for fly ash reduces the fresh concrete's workability, but a chemical addition can restore it.

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