Question

Importance of the quality of water used for concreting.

Answer 1

1. To wet the surface of aggregates to develop adhesion because the cement pastes adheres quickly and satisfactory to the wet surface of the aggregates than to a dry surface .
2. To prepare a plastic mixture of the various ingredients and to impart workability to concrete to facilitate placing in the desired position and,
3. Water is also needed for hydration of the cementing materials to set and harden during the period of curing.