Effect of Automotive Gas Oil (AGO) on Geotechnical Properties of Lateritic Soil

Advances in Physics Theories and Applications Pub Date : 2020-01-01 DOI:10.7176/apta/82-03

A. Akankpo, E. Umoren

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Abstract

Environmental pollution from petroleum and petrochemical products has been recognized as one of the most serious problems associated with accidental spills on a large scale. This study was carried out to investigate the effect of automotive gas oil (ago) on geotechnical properties of lateritic soil. Test carried out included Optimum Moisture Content, Maximum Dry Density, Sieve Analysis, Liquid Limits, Plastic Limits, Plasticity Index, Specific Gravity and Unconfined Compressive Test. Certain percentages of AGO (0 %, 4 %, 8 %, 12 %, 16 %) were mixed with the lateritic soil sample. Based on the results obtained, Optimum Moisture, Maximum Dry Density, specific gravity and unconfined compressive test decreased as the percentage of automotive gas oil (AGO) increased, while Atterberg limits and Sieve analysis increased as the percentage of automotive gas oil (AGO) increased. Addition of AGO to the soil led to the reduction of porosity and permeability resulting from the entrapment of the AGO within the pore spaces of the soil. Keywords: Automotive Gas Oil, Geotechnical Properties, Lateritic Soil, Contaminants DOI : 10.7176/APTA/82-03 Publication date: January 31 st 2020

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车用汽油对红土岩土力学性质的影响

石油和石化产品的环境污染已被公认为是与大规模意外泄漏相关的最严重问题之一。研究了车用汽油对红土岩土力学性质的影响。试验包括最佳含水量、最大干密度、筛分分析、液体极限、塑性极限、塑性指数、比重和无侧限压缩试验。红土样品中掺入一定比例的AGO(0%、4%、8%、12%、16%)。结果表明，最佳湿度、最大干密度、比重和无侧限压缩试验值随着汽车用汽油(AGO)含量的增加而降低，而Atterberg极限和筛分分析值随着汽车用汽油(AGO)含量的增加而增加。在土壤中添加AGO后，由于AGO滞留在土壤孔隙空间内，导致土壤孔隙度和渗透率降低。关键词:车用汽油，土工性质，红土，污染物DOI: 10.7176/APTA/82-03出版日期:2020年1月31日

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Advances in Physics Theories and Applications

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