Effect of Oil Contamination on Particle Size Distribution and Plasticity Characteristics of Lateritic Soil

Abstract:

This paper presents the results of a laboratory study on the effect of oil contamination on the particle size distribution and plasticity characteristics of lateritic soil. The soil was artificially contaminated with a maximum 6 % oil content by weight of dry soil. The results show that there was a substantial reduction in the amount of fines content with higher amounts of oil in the soil matrix. The percentage of fine fraction in the natural soil was 86.9 % and on contamination with maximum 6 % oil content by weight of dry soil at optimum moisture content (OMC) the fine fraction reduced to 1.4 %. The plasticity index decreased from 16.0 to 8.5 % when contaminated with 6 % oil content by weight of dry soil. The plasticity modulus (PM), plasticity product (PP), the shrinkage modulus (SM) and the grading modulus (GM) decreased with increasing amounts of oil content.

• Periodical: Advanced Materials Research (Volume 367)
• Pages: 19-25
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.367.19
• Online since: October 2011
• Authors: Thomas Stephen Ijimdiya
• Keywords: Lateritic Soil, Oil Contamination, Particle Size Distribution (PSD), Plasticity Characteristics

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