density of 40mm li ne
In the same way 10 mm 20 mm and 40 mm aggregates shall be combine in the ratio of 1 3 to get a graded coarse aggregate. Advertisements Fine aggregate of Zone II as per IS is generally suitable for pumped concrete provided 15 to 30 percent sand should pass the 300 micron sieve and 5 to 10 percent should pass the 150 micron sieve.