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 $\quad:$ $\quad$ …