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An example illustrating the mix proportioning for a concrete of M 40 grade is given in A-1 to A-11.
A-1 Stipulations For Proportioning
a) Grade designation $\quad:$ $\quad$ M40
b) Type of cement $\quad:$ $\quad$ OPC 43 grade conforming to IS 8112
c) Maximum nominal size of aggregate $\quad:$ $\quad$ …