Concrete Mix Design | Different Grades of Concrete
#0183;#32;To calculate the individual quantities of cement, sand and aggregate required for 1m 3 assume a nominal mix grade of concrete such as M20. You can use same method to calculate any grade of concrete. Concrete Mix Design for M20 Grade Concrete:Now let us consider M20 grade concrete; As per IS456:2000, M20 Grade concrete proportion is = 1 : : 3