## Use of Manufactured Sand in Concrete and Construction An

Typical Compressive Strength of Concrete: The following results show the behavior of manufactured sand and riverbed sand when used in concrete: With using Riverbed Sand: (All proportions are by weight) Cement -50 Kg; River Sand -75 Kg; Agg. 20 mm- 75 Kg; Agg. 12 mm -37.5 Kg; Water -19 ltrs; Compressive strength achieved after 7 - days curing …….44.1MPa