Abstract
Stone dust is a kind of waste material that is generated from the stone crushing industry which is abundantly available to the extent of 200 million tonnes per annum , that has landfill disposal problems and health and environmental hazards. This study cover on utilization of stone dust reinforced with PET strips(polyethylene terephthalete)improving the sub grade. Now a day’s both stone dust and plastic water bottles are creating environmental disposal problem as well as health problem. Therefore utilization of these waste material in proper manner is creating challenge to society. PET strips obtained from waste plastic water bottle, were mixed randomly with stone dust. A series of California bearing ratio (CBR) tests were carried out on reinforced stone dust. Three different sizes of PET strips were used in this study. The effect of strips content(0.25% to 2%) and length on the CBR value of reinforced stonedust were investigated. Addition of PET strips with in stone dust with appropriate amount improved the strength of sub grade. This reinforcing material can used as sub grade material in constructing the rural road over saturated clay. This method is a environmental friendly and reduce the disposal problem.
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