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replacement of sand by using crushed rock powder in

replacement of sand by using crushed rock powder in

Crushed sand Manufactured sand is produced by crushing rock as in the case of coarse aggregate to give particle size and grading at par with river sand the texture may differ using Vertical Shaft Impactor Machines The percentage passing 150 microns of manufactured sand is relaxed to 20 while that of natural sand is limited to 10

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