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Replacement Of Sand By Crushed Concrete Debris

The use of crushed rock sand as a partial replacement of river sand in concrete production was and 0 for 0 to 100 natural sand replacementhe slump ranged between 49 and 60 mm for 0 to 100 natural sand replacementmm2he effective natural sand rs replacement ranged between 0 and 60 with the best results achieved at 20.