Eccentrically Loaded Strip Footing on Oil Contaminated Kanhan Sand
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
Onshore and offshore oil spills contaminate soil. In addition to environmental concerns for ground water pollution and other possible effects, the geotechnical properties of the contaminated soil such as the shear strength and the hydraulic conductivity are also altered. This paper presents previous research in progress to evaluate the ultimate bearing capacity of shallow foundations on WEO contaminated sand bed. The results of the tests reported here relate to the remaining two percentages of WEO. Results of direct shear tests for determining the soil friction angle are given. This paper also presents an experimental investigation aimed for understanding the behaviour of strip footing on oil-contaminated sand. Contaminated sand layers were prepared by mixing sand with the waste engine oil (WEO) content of 2 % and 3 % by weight of dried sand. A series of conditions, including uncontaminated cases, were tested by varying parameters such as the thickness of the contaminated sand layer, oil percentage and eccentricity of loading. The effects of eccentric loading on strip footing on uncontaminated and oil contaminated sand bed were studied in an experimental setup. Along with these, laboratory model test results for the ultimate bearing capacity of a surface strip foundation supported by Waste Engine Oil (WEO) contaminated sand are also presented. The load-settlement behaviour of foundation on uncontaminated and oil contaminated sand was also studied and compared in terms of BCR. Based on these test results, the effect of oil contamination in drastically reducing the bearing capacity ratio is discussed.
Authors and Affiliations
Anant I. Dhatrak, Mohan Diliprao Mhaske, Sanjay W. Thakare
Keywords
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