Design an M40 grade concrete mix using the given data: a) Flexural Str. – 4.5 N/mm2 j. Sp. Gr. Cement – 3.15 b) Cement – OPC 43 Grade k. Sp. Gr. Coarse agg. – 2.74 c) MNSA – 31.5 mm l. Sp. Gr. Fine aggregate – 2.62 d) Min Cement content – 360 kg/m3 m. Water absorption coarse agg. – 0.5% e) Max W:C ratio – 0.40 n. Water absorption fine agg – 1.0% f) Workability - 25±10 mm slump o. Free moisture fine agg – 4% g) Aggregate – Crushed angular p. Absorbed moisture fine agg – 1% h) Max cement content – 450 kg/m3 q. Fine aggregates confirming to Zone II i) Chemical admixture – superplasticizer