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1) weight of cement in one cube divided by density of cement = volume of cement in a cube:
2) Similarly volume of fine & Coarse aggregate can be calculated
3) Adding all one will get volume of solids in a Cube-Vs:
4) Subtracting Vs from volume of cube Vc one would get volume of voids Vv
5) taking ratio of Vv to Vs one would get void ratio
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