### Concrete Mix Design As Per Indian Standard Code

IS 456-2000 has designated the concrete mixes into a number of grades as M10, M15, M20, M25, M30, M35 and M40. In this designation the letter M refers to the mix and the number to the specified 28 day cube strength of mix in N/mm 2 .

### calculation of quantity of material m20 - educationcare

how to calculate quantities of sand, cement & aggregate in 1m3 - M20. how to calculate quantities of sand, cement & aggregate in 1m3 - M20, 1m2 of 6mm/12mm/20mm plaster, 1m3 20cm/ 1m2 of 10cm brick wall, paint quantity for...