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2021, 15(3): 361-378 Back to browse issues page
Effect of Glycerol and Acetone on the physical and mechanical properties of a clay soil
Abstract:   (1861 Views)
In this research work the effect of glycerol and acetone on the properties of a clay soil with low plasticity (CL) was studied through experimental tests. Contaminated soil was prepared by mixing 10, 15 and 20% pure glycerol or acetone with soil. A set of experimental tests including Atterberg limits, compaction, free swelling, Unconfined Compressive Strength (UCS), California Bearing Ratio (CBR), consolidation tests and Scanning Electron Microscopy (SEM) were conducted on uncontaminated and contaminated soil. The results showed that the effect of glycerol on contaminated soil was a reduction of Atterberg Limits, Free Swelling, optimum water content and increasing maximum dry unit weight but the effect of acetone was in the opposite trend of glycerol. These variations in the behaviors of soil were the function of percent of glycerol or acetone. In addition, the results indicated that both glycerol and acetone cause the reduction in the values of compressive strength and CBR number of soil but the reduction due to glycerol was more than the acetone. The results of consolidation test showed that the values of compression index (Cc) and swelling index (Cs) were independent of the percent of chemical fluids. The SEM results also reveal that these two contaminations cause some variations in the physical and mechanical properties of a clay soil becase of changing the structure of soil and the effect of these contaminations on the properties of soil was not the same.

Key words: hydrocarbon contamination, Atterberg limits, free swelling, Unconfined Compressive Strength (UCS), CBR and consolidation test.

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Type of Study: Research Paper | Subject: En. Ecosystem
Received: 2020/06/15 | Accepted: 2020/08/1 | Published: 2021/12/1
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Effect of Glycerol and Acetone on the physical and mechanical properties of a clay soil. Journal of Engineering Geology. 2021; 15 (3) :361-378
URL: http://jeg.khu.ac.ir/article-1-2951-en.html

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Volume 15, Issue 3 (12-2021) Back to browse issues page
نشریه زمین شناسی مهندسی Journal of Engineering Geology
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