### Concrete Calculator - Estimate Cement, Sand, Gravel Quantity - Concrete mix ratio for various grades of concrete

1 bag of cement contains 50 …Answer (1 of 8): In M35 the M stands for mix and the number stands for the strength of concrete in N/mm^2 after 28 days. For the strength till 25N/mm^2 (ie-M25) There are fixed ratio given for cement :fine aggregate:coarse aggregate …Mix proportioning for a concrete of M35 grade is given in A·I to A-ll. A·I STIPULATIONS FOR PROPORTIONING. a) Grade designation : M35 b) Type of cement : OPC 53 Grade conforming IS 12269 c) Maximum nominal size of aggregate : 20mm d) Minimum cement content : 340 kg/m 3 (IS 456:2000) e) Maximum water-cement ratio : 0.45 (Table 5 of IS 456:2000)Concrete Mix Ratio Calculator. Calculate the amount of cement,

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