CBR Improvement of Soil by Adding Lime and Fly Ash
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 6
Abstract
The quality and life of pavement is greatly affected by the type of sub grade ,sub base and base course materials. The most important of these are type and quality of sub grade soil. But in India most of flexible pavement are used to be constructed over weak and problematic sub grade. The California Bearing Ratio(CBR) of these sub grade have very low ,it need to more thickness of pavement. This paper represent a study of Lime and Fly Ash as the admixture in improving the maximum dry density(MDD),optimum moisture content(OMC), California Bearing Ratio(CBR),Liquid Limit, Plastic Limit. The percentage of lime and Fly Ash used is varied from 3% to 10% .The optimum moisture content(OMC), California Bearing Ratio(CBR) increased with an increase in Lime percentage but liquid limit, Plastic limit, maximum dry density(MDD) of soil decreased with increase in Lime percentage. The liquid limit, plastic limit and maximum dry density(MMD) of the soil decreased and the optimum moisture content(OMC), California Bearing Ratio(CBR) increased with an increase on Fly Ash content. The objective of this work is to estimate the effect of Lime and Fly Ash on some geotechnical properties of soil, in order to determine the suitability of Lime and Fly Ash for use as a modifier in the treatment of soil for roadwork. The aim of this investigation is to quantify the optimum quantity of Lime and Fly Ash on the performance in term of CBR especially when it is planned to be used as sub grade in highways.
Authors and Affiliations
Kumar Sandeep, Mahla R. P.
Keywords
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