OPEN-ACCESS PEER-REVIEWED

1Nimita Gautam, 2Dr. Abhijeet Nardey, 3Dr. Padmanabh Ghadge

1Research Scholar, G H Raisoni University, Saikheda

2Assistant Professor, GH Raisoni, Nagpur

3Professor, G H Raisoni University, Saikheda

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Abstract

This research endeavors to optimize an ambient-cured geopolymer blend for enhancing the stability of Black Cotton Soil (BCS) by incorporating fly ash, sodium silicate, rice husk ash (RHA), and ground granulated blast furnace slag (GGBFS). The primary objectives encompass enhancing the shearing behavior of BCS treated with geopolymer and gaining deeper insights into the engineering attributes of BCS. Through experimental endeavors involving nine distinct samples with varied polymer compositions, the study underscores the substantial promise of this geopolymer amalgam for soil stabilization. Analysis of the trials indicates that sample number 5, featuring 20% fly ash, 30% RHA, and 20% GGBFS, manifests the highest compressive strength along with favorable plasticity characteristics.

Keywords: Geo-polymerisation, Black Cotton Soil, Fly ash, rice husk, Plasticity index, Liquid Limit, Compressive Strength

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