Abstract: The utilization of industrial bi-products such as fly ash is of increasing importance as an option for stabilizing contaminated sites due to its pozzolanic nature and also in view of minimising the environmental impact. The experimental programme was carried out in the present study to know the efficacy of fly ash as stabilizing agent at different percentages 20%, 40% and 60% (w/w) on the geotechnical properties of diesel Contaminated Soil (CS). The soil considered in the present work was locally available sandy soil and the common petroleum hydrocarbon diesel engine oil was selected as contaminant. Laboratory studies were conducted on uncontaminated (VS) and soil contaminated to degree of contamination (12% expressed as a dry weight of soil v/w) to compare the geotechnical characteristics before and after contamination. The results show that the consistency limits are affected marginally due to contamination. The compaction characteristics of stabilized soils were observed to be not uniform with increase in fly ash addition. The CBR value of the soil decreased with addition of contaminant and it regain marginally with addition of fly ash.
Keywords: Contaminated soil, Fly ash, Pozzolanic nature, Stabilization.
Title: Stabilization of Diesel Oil Contaminated Soil Using Fly Ash
Author: Dr. Solly George, Aswathy EA, Berlin Sabu, Krishnaprabha NP, Maria George
International Journal of Civil and Structural Engineering Research
ISSN 2348-7607 (Online)
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