### Concrete mix ratio for various grades of concrete

There are various grades of concrete available in the market based on these ratios. Some of them are: M10, M20, M30, M35, etc. So, what really does M10 or M20 mean or represent. M stands for mix . Mix represents concrete with designated proportions of cement, sand and aggregate. And the number following M represents compressive

### M30 Grade of Concrete Mix Design Procedure with

Selection of Water Cement Ratio for M30 Grade of Concrete Mix design. Maximum Water Cement Ratio Permitted As per MORTH Clause – 1715.2: 0.40. W/c Ratio Selected As 0.39. Selection of Water for M30 Grade of Concrete