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Effects of Manufactured Sand on Compressive Strength and Workability of Concrete

Nimitha Vijayaraghavan and A S Wayal
Department of Civil Engineering, V.J.T.I, Nathalal Parekh Rd, Matunga East Mumbai, MH -400 031

Abstract—A huge amount of concrete is consumed by the construction industry. About 35% volume of concrete is comprised of sand. A good quality concrete is produced by careful mixing of cement, fine and coarse aggregates, water and admixtures as needed to obtain an optimum quality and economy. Generally cement and coarse aggregates is factory made products and their quality and standards can be easily controlled and maintained. Water used for mixing of concrete is usually tap water. The fine aggregates or sand used is usually obtained from natural sources specially river beds or river banks. Now-a-days due to constant sand mining the natural sand is depleting at an alarming rate. Sand dragging from river beds have led to several environmental issues. Due to various environmental issues Government has banned the dragging of sand from rivers. This has led to a scarcity and significant increase in the cost of natural sand. There is an urgent need to find an alternative to river sand. The only long term replacement for sand is manufactured sand. 

Index Terms—manufactured sand/artificial sand, natural sand, compressive strength, workability

Cite: Nimitha Vijayaraghavan and A S Wayal, "Effects of Manufactured Sand on Compressive Strength and Workability of Concrete," International Journal of Structural and Civil Engineering Research, Vol. 2, No. 4, pp. 228-232, November 2013.