Application of Lime and Portland Cement for Improvement of Clay Contaminated with Anthracene and Glycerol

Document Type : Original Article

Authors

1 Department of Civil Engineering, Faculty of Engineering, Kharazmi University, Tehran, Iran.

2 Department of Civil Engineering, faculty of Engineering, Kharazmi University, Tehran, Iran

10.22091/cer.2020.5374.1198

Abstract

Due to the limited soil resources and population increase, the use of contaminated or problematic soil is inevitable. There are different methods to improve the geotechnical properties of clay soils. One of the ways is to stabilize the soil with stabilizers such as Portland cement and lime. Investigation of the combined effect of organic pollutants under the influence of stabilizers (Portland cement (I) and lime) on Kaolinite clay using modified Proctor and CBR experiments constitutes the present research framework. The maximum unit weight decreased with an increase in Anthracene content while its variations were strongly dependent to the Glycerol content. The maximum of dry unit weight and a minimum of optimum water content occurred at a glycerol content of 6%. Based on test results, it was found that the increase in strength of clean Kaolinite using 6% of Portland cement is equivalent to that of 30% lime. It was also found that the contaminants decrease the strength of kaolinite; however, both stabilizers increase it. The effect of Portland cement on the strength of the specimens contaminated with Anthracene was better than that of lime and the effect of Portland cement and lime on the improvement of samples contaminated with Glycerol was considerable.

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References

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Civil Infrastructure Researches
Volume 5, Issue 2 - Serial Number 9
March 2020
Pages 111-122

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