Abstract

Abstract: Different waste materials such as fly ash, silica flumes, blast furnaces slag are used in concreting. Aggregate is a major ingredient for making concrete, occupy almost 70 - 80% part of concrete[1]. Conventionally crushed rocks are used as coarse aggregate and river sand used as fine aggregate. Due to rapid growth of construction activities, conventional aggregate sources are depleting very fast leading to significant increase in cost of Construction. This has necessitated research for alternative cost effective materials in construction. The paper aims about the partial replacement of crushed coconut shells as a substitute of conventional aggregate. It may help to produce concrete economically and at the same time also will help to reduce its disposal problem. Keywords: coconut shell, concrete, coarse aggregate, compressive strength, waste disposal.

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