“Use of Fly Ash in Stabilization of Soil with Shrinking and Swelling Properties”

More than 51.8 million hectares of land are covered by the extensive soil in India (mainly Black Cotton soil). Soil stabilization, which is widely used in constructions and street asphalt developments, is one of the most important angles for development objectives; this is on the grounds that such an adjustment system improves designing properties of the soil, for example, volume soundness, quality and strength. In this cycle, evacuation or supplanting of the dangerous soil is done; substitution is finished by a superior quality material, or the soil is treated with an added substance. In the current study, stabilization of black cotton soil from Nagpur utilizing fly ash from Sesa Sterlite, Jharsuguda, Odisha is attempted. Expansive soils are stabilized using different ratios of this addition, such as 10, 20, 30, 40, and 50%. Fly ash has no plasticity, hence the plasticity index (P.I.) of clay-fly ash mixtures shows a decrease in the value when the fly ash percentage is increased. In conclusion, the addition of fly ash brings about abatement in pliancy of the extensive soil, and increment in usefulness by changing its grain size and colloidal response. Tried under both splashed and un-doused conditions, the CBR estimations of mud with fly ash blends were watched. Examination of the previously discovered outcome uncovered the potential of fly ash as an additive that could be used for improving the engineering properties of expansive soils.