Concrete Mix Design Calculation for M15 Grade as per IS ...
Aug 10, 2020· From step 2, Water cement ratio = W/C = From step 4, Water content W = liters = / C = Finally, C = Kg / m 3 of concrete. But from table 5 of IS, Minimum cement content required for moderate exposure condition for M15 grade concrete is = 240 Kg/m 3 of concrete.