Enhancing the Properties of Sub-Grade Using Lime and Poly Vinyl Alcohol

Aman Thakur¹ , Arnaw Pandey² , Ismit Pal Singh³

Section:Research Paper, Product Type: Journal-Paper
Vol.7 , Issue.3 , pp.31-38, Sep-2020

Online published on Sep 30, 2020

Copyright © Aman Thakur, Arnaw Pandey, Ismit Pal Singh . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
Development is needed everywhere, whether in life or in work. The improvement of road is considerable due to lack of satisfactory soil. Standardization of soil is such a great initiative to modify the engineering properties of soil, using additive with various concentration. In this present investigation the soil is standardized with lime and poly vinyl alcohol. The clayey soils were prepared with additive for the California bearing ratio and Unconfined compression strength with 1 and 14 day of curing respectively. Along with these strength parameter laboratory tests, Atterberg’s limit (liquid limit and plastic limit), specific gravity and Standard proctor test were also conducted on in-situ soil only. The in-situ soil reflected the California bearing ratio at 2.5 mm and 5 mm penetration as 9.48 and 9.00 respectively. But the use of additive in the in-situ soil imposing the strength, make the soft soil stiff enough to resist the load. The increment was recorded with 42.26% of rise in the California bearing ratio test result. The optimum concentration of the additive were 6% lime and 0.5% poly vinyl alcohol dilute solution. The Unconfined compression strength also exceeds as compare to the untreated soil. It was conducted on different cured samples and the results elucidate the increment with curing. The Unconfined compression test results were significantly influenced by the curing and increases from 78 kilo pascal to 473.0 kilo pascal which is found approx. 6 times the untreated soil.

Key-Words / Index Term :
Clayey soil, California bearing ratio, Lime, Poly vinyl alcohol, Standardization, Unconfined compression strength

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