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preparation of concrete using foundry sand

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More Sustainable and Economical Concrete Using Fly Ash ... batches of concrete with 25% and 35% foundry sand to normal sand replacement percentages. Table 1 describes the mix quantities. Mix 1 is the control mix, with no foundry sand. Mix 2 and 3 had "used" foundry sand (foundry sand that has been used in molding). Mechanical and Durability Properties of Concrete Made with ... The substitution of foundry sand in concrete reduces the voids in concrete and has helped to spread the C–S–H gel widely in the concrete . The Inclusion of FS as a sand replacement significantly improved the abrasion resistance of concrete at all ages because of the formation of a denser matrix [ 20 ]. Vol. 5, Issue 5, May 2016 Waste Foundry Sand as a ... about 20 to 30 percent of replacement of fine aggregate to waste foundry sand gave good results for all practical purposes. This study also aims to encourage industries to start commercial production of concrete products using waste foundry sand.    Read More

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