Which of the following statements is NOT true with regard to high volume fly ash concrete (HVFA)?
1
HVFA is to be cured effectively and for shorter duration than ordinary concrete.
2
As the water content is low in high volume fly ash, the bleeding is very low and often negligible.
3
The properties of HVFA concrete are largely dependent on characteristics of cement and fly ash.
4
HVFA concrete should be properly protected from premature drying by properly covering the surface.