The results of mix design indicate that crushed sand can also make as good a concrete as that made of natural sand.The compressive strength obtained is same as of normal mixes.In fact use of crushed sand will become inevitable in near future because of dwindling sources of natural sand.

Concrete Mix Design | Different Grades of Concrete. Concrete Mix Design:-Concrete is a composite mixture which consists of Cement, Sand and Aggregate Concrete mix design is the procedure for finding the right quantities of these materials to achieve the desired strength. A Study of Mix Design of Concrete Hollow Blocks Using,