| Issue |
E3S Web Conf.
Volume 457, 2023
International Scientific and Practical Symposium “The Future of the Construction Industry: Challenges and Development Prospects” (FCI-2023)
|
|
|---|---|---|
| Article Number | 02028 | |
| Number of page(s) | 11 | |
| Section | Integrated Safety in Construction | |
| DOI | https://doi.org/10.1051/e3sconf/202345702028 | |
| Published online | 05 December 2023 | |
Effect of crude oil on the geotechnical parameters of sandy clay soil
1 Geotechnical Engineering, Engineering Facullty, University of Mohaghegh Ardabili, Ardabil, Iran
2 MS, Geotechnical Engineering, Engineering Facullty, University of Mohaghegh Ardabili, Ardabil, Iran
* Corresponding author: negahdar@uma.ac.ir
Exploitation of crude oil, as well as spills and leakage, can contribute to soil contamination that causes changes in the physical and chemical features of the soil. The present study evaluated the effect of light crude oil on the geotechnical parameters of sandy clay soil in the laboratory. Mixtures of kaolinite and sand were combined with different amounts of light crude oil. The results for contaminated soil showed that, as the crude oil content increased, the LL, PL, maximum dry density, cohesion coefficient of samples containing 40% sand and internal friction angles of samples containing 10% and 25% sand increased. The optimum moisture content, cohesion coefficient of samples containing 10% and 25% sand, internal friction angles of samples containing 40% sand and UCS of all samples decreased. Also, because some oil compounds will evaporate along with water, a new formula has been proposed to determine the moisture content of contaminated soil.
Key words: Crude oil contamination / Sandy clay / Geotechnical properties / Contaminated soil
© The Authors, published by EDP Sciences, 2023
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