TYPES OF CONCRETE MIX DESIGN
The Constructor
NOVEMBER 15, 2011
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/mm2. These mixes of fixed cement-aggregate ratio which ensures adequate strength are termed nominal mixes.
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