In voids method of determining the quantity of cement paste, it is assumed that the
[A].
voids in the coarse aggregate are filled by the fine aggregates
[B].
volume of fine aggregates required for 1 m3 of coarse aggregate is equal to total voids in coarse aggregate plus 10% aggregate extra to allow for additional voids created by wedging action
[C].
volume of cement paste required for 1 m3 of coarse aggregate is equal to total volum of voids in the fine aggregate plus 15% aggregate extra to allow for additional voids created be wedging action