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Effect of Leachate on Index Properties of Soil
¹²³⁴Department of Civil Engineering, Government Engineering College, Raipur, Chhattisgarh, India. ⁵Assistant Professor, Department of Civil Engineering, Government Engineering College, Raipur, Chhattisgarh, India. ⁶Professor, Head of Department, Department of Civil Engineering, Government Engineering College, Raipur, Chhattisgarh, India.
Published Online: May-June 2025
Pages: 101-103
Cite this article
↗ https://www.doi.org/10.59256/ijsreat.20250503013
Leachate produced in landfills during waste decomposition is a significant environmental hazard. This paper investigates how leachate alters the index properties of soil, which is commonly used as a barrier or cover layer in landfills. A lab-scale experiment simulating landfill conditions was conducted using a PVC pipe column packed with compacted soil. Leachate was applied daily for 21 days. Pre- and post-exposure testing included shrinkage limit, plastic limit, liquid limit, compaction characteristics, UCS, and specific gravity. The study revealed a consistent reduction in soil strength and plasticity, signaling degradation in its containment capability. These findings highlight the necessity of soil treatment and composite barrier systems for effective long-term waste isolation.
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