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Abstract
Casting industries produce millions of tons of by-product in India. In tamilnadu, million tons of waste foundry sand is produced yearly. Waste foundry sand major by-product of casting industry and it creates land pollution. The river fine aggregate will be replaced with waste foundry sand and M-Sand (WFS 0%, 15%, 20%, 25%) in concrete. So that the land pollution can be reduced and the demand for the river sand can be minimized. Research has being carried out to know the exact percentage of waste foundry sand (WFS) in M-Sand for concrete. Concrete manufacturing involve consumption of ingredients, aggregates, water and admixture(s). Among all the ingredients, coarse aggregates form the major part. Two billion tons of coarse aggregate are produced each year in United States. Production is expected to increase to more than 2.5 billion tons per by the year 2020. Similarly, the consumption of the primary aggregate was 110 million tons in U.K in the year 1960 and reached nearly 275 million tons by 2006. The properties of coconut shell by using partial replacement of coarse aggregate in concrete. The coconut shell by using (10%) in coarse aggregate. The project paper aims at analyzing flexural and compressive strength characteristics of with partial replacement using M20 grade concrete. Compression test has been done to find out the compressive strength of concrete at the age of 7, 14, and 28 days. Test result indicates in increasing compressive strength of plain concrete by inclusion of WFS as a replacement of fine aggregate and partial replacement of coarse aggregate.