Volume- 9
Issue- 3
Year- 2022
DOI: 10.55524/ijirem.2022.9.3.13 | DOI URL: https://doi.org/10.55524/ijirem.2022.9.3.13 Crossref
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)
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Insha Kouser , Er. Rabinder Singh
Karewa soils are widely spread in the stateof Jammu and Kashmir and they have been used assubgrade of pavement layers. Karewa soils are usuallyclayey soils and are characterized as low bearing capacity materials for flexible pavement layers.When such soils cannot be replaced, its performance should be increased by several modification techniques. The purpose of this research is to evaluate the use of low contents of lime and crumb rubber powder in the modification of Karewa soil properties. In this study an effort is made to obtain the optimum dosage of lime and crumb rubber powder for stabilization of locally available Karewa soil. Crumb rubber powder addition was made in the soil in the proportion of 5% initially to 10%, and then 15% by weight and unconfined Compressive Strength Tests and California bearing ratio tests are conducted for cohesive soil with 3%, 4% and 5% lime with the varying rubber percentage 0%, 5%, 10% and 15% and the results were noted and compared. The experimental investigations reveal that there is a tremendous increase in the CBR value of the soil treated with lime, thus leading to decreased thickness requirements of the sub-base and base courses. With addition of crumb rubber powder in soil, there is specific increase in the shear parameters of soil as well as will increase the permeability of soil.
M.tech Scholar, Department of Civil Engineering, RIMT University, Mandi Gobindgarh, Punjab, India
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