Evaluating the Compaction Behavior of Oil-contaminated Soils for Civil Engineering Applications

Abstract

This study investigates the impact of oil contamination on the compaction characteristics of soil, specifically lateritic soil samples from Bori Local Government Area in Rivers State, Nigeria. The research focuses on understanding how varying degrees of oil pollution affect soil's compaction behavior, crucial for civil engineering applications. Compaction tests, including the standard Proctor test, were conducted on both uncontaminated and oil-contaminated soil samples. The results indicate that up to 2% oil addition improves compaction, reducing the optimum moisture content and increasing the maximum dry density. Beyond 4% oil content, no significant enhancement in compaction was observed, and higher oil percentages led to saturation and expulsion of oil, based on visual inspection it appears to negatively affect the soil strength. These findings are essential for engineering projects in oil spill regions, providing insights into effective soil compaction strategies and the potential use of oil-contaminated soils in construction.