Stabilization of black cotton soil and loam soil using reclaimed asphalt pavement and waste crushed glass

Abstract

Stabilization of soil to attain required engineering properties can be done either by mechanical or chemical stabilization. Most of these methods are relatively expensive to implement in practice and the best way is the usage of locally available materials. The present paper reports the stabilization of black cotton soil and loam soil with varying percentages of Reclaimed Asphalt Pavement (RAP) and waste crushed Glass (WCG). Various properties such as maximum dry density, optimum moisture content, and California Bearing Ratio (CBR) are analysed and the results are compared with red soil. Investigations are performed using percentages of Reclaimed Asphalt Pavement (RAP) at 30%, 50%, 55%, 60%, 65% and Waste Crushed Glass (WCG) at 5%. The results showed that there was an appreciable increase in strength and CBR values by the addition of RAP and WCG. The paper proved the effectiveness of proposed method for construction of pavements in village roads with reduced thickness.