The ever increasing concrete usage has raised concerns over its environmental impact
because when reaching the end of the design life, concrete waste usually ends up as
landfill. This creates a significant problem because of the difficulties associated with
managing the increased volume of concrete waste. As a result, use of recycled concrete to
replace the coarse aggregate has attracted attention as it can reduce the amount of landfill
as well as requirement of virgin aggregate. Past studies have indicated some bonding …