Properties of self-consolidating concrete incorporating coarse recycled concrete aggregate

Abstract

In this study, the effect of recycled concrete coarse aggregate on properties of self-consolidating concrete was examined. This aggregate was replacing 25%, 50%, 75%, 100% of limestone coarse aggregates. RC aggregate was used in SCC mixtures after 24 hours water saturation and surface dry (SSD). The results have shown that replacement of limestone coarse aggregate with RC aggregate caused the compressive strength decrease. However, the effect on tensile splitting and flexural strength was lower. As a result of this study it was found that it is possible to produce SCC compatible with EFNARC 2002. Moreover; it was observed that the use of RC aggregate in SSD state positively affected the fresh properties of SCC.