Performance Evaluation of Stabilized Soil for Pavements

International Journal of Civil Engineering

© 2018 by SSRG - IJCE Journal

Volume 5 Issue 12

Year of Publication : 2018

Authors : Rajesh R, Nikhil T R, Yateen Lokesh, Eshwar Reddy

10.14445/23488352/IJCE-V5I12P102

How to Cite?

Rajesh R, Nikhil T R, Yateen Lokesh, Eshwar Reddy, "Performance Evaluation of Stabilized Soil for Pavements," SSRG International Journal of Civil Engineering, vol. 5,  no. 12, pp. 9-16, 2018. Crossref, https://doi.org/10.14445/23488352/IJCE-V5I12P102

Abstract:

Soil is a natural body consisting of layers that are primarily composed of minerals, mixed with at least some organic matter, which differs from their parent materials in their texture, structure, consistency, color, and other characteristics. Soil stabilization is the process of improving the shear strength parameters of soil and thus increasing the bearing capacity of the soil. An experimental investigation is carried out to study the effect of lime, cement, fly ash and cinder on Black Cotton Soil from four different locations to determine the index properties of soil. Various percentages of lime, cement ,fly ash (2%,4%,6%,8%) and Cinder(10%,20%,30%,40%) by its weights respectively have been used to improve the engineering behaviour of expansive soil. One ingredient at a time has been mixed with soil and index as well as engineering properties have been determined. From the experimental result it has been concluded that liquid limit & plastic limit of the soil is reduced by adding of each ingredient individually. The standard proctor parameters such as OMC (Optimum moisture content) and MDD(Maximum dry density) also increased. the free swelling index is decreased with the addition of admixtures and the unsoaked CBR(California bearing ratio) value is increased from 4% to 10% using lime ingredients individually Thus, it can be concluded that stabilization of expansive black cotton soil using lime, cement, fly ash and cement as admixtures is a good way of improving then engineering behavior expansive soil. Moreover, it is also cost effective by reducing the thickness of sub-base and a base layer of flexible pavement

Keywords:

Lime, cement, fly ash and Cinder, California Bearing ratio, Standard Proctor test, atterberg's limits and a Free swell index

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