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Classification Of Aggregate In Ncrete Production

Grades of concrete in is 456-1978, the different grades of concrete are given as m10, m25, m20, m25, m30, m35, and m40.In the classification of concrete mix, the letter m denotes the mix and the numbers 10, 15, 20, 25, 30, 35, 40 represent the predetermined works cube strength of 15 cm cubes after curing of 28 days in nmm2.

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