ABSTRACT
ABSTRACT: This paper reports an experimental investigation on the effect of copper slag as partial replacement of sand in high strength concrete. The fine aggregate in the high strength mix (M60) is partially replaced with 20%, 40% and 60% copper slag by weight. Rheological properties, mechanical properties such as compressive strength, split tensile strength, flexural strength and fracture properties of the control mix and the modified mixes were examined. By the replacement of fines by copper slag, there is improvement in workability characteristics, tensile and flexural strength, and fracture energy and fracture toughness. These properties showed optimal improvement for 40% replacement of conventional aggregates with copper slag.
