EFFECTS OF CERAMIC AGGREGATE ON THE COMPRESSIVE STRENGTH AND ELASTIC MODULUS OF NORMAL CONCRETE AND FLY ASH- CONCRETE

Abstract

The investigation of the effects of waste ceramic aggregate as an internal curing agent on compressive strength, elastic modulus of concrete using fly ash replacement for cement with a water/ binder ratio of 0.3 was carried out. The concrete in which the replacement ratio of cement by fly ash was 40% by mass and that of replacement of ceramic waste for coarse aggregate 40% by volume. The results show that the ceramic waste aggregate played as internal curing that increased the compressive strength of concrete by 8%-16% and decreased the elastic modulus by 5%-12%. It is claimed that the corporation of ceramic waste and fly ash give a benefit of improvement of the concrete compressive strength.