Answer / partha mitra

generally for M30 to M80,there is no mix popoetion.these
all are design mix.

Answer / arjun

generally for M30 to M80 same proportion is not used. it is
depends on properties of materials available in those
areas. These grades used in Heavy Structural construction
like Dams, Under water Structures, Flyovers etc.,

Answer / balaji

M30 to M40 these grades are using in water retaining structure. And M40 above the grades are used for grouting works like pumps and rotating equipments

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