V2I10P11

Strength Evaluation of Copper Slag for High Strength Concrete

Vaibhav Surkutwar^1*, S. P. Sharma², L. S. Mahajan³

Abstract

Because of its strength and adaptability, concrete is one of the most popular building materials; yet, the environmental impact of its manufacture is substantial. Degradation of the ecosystem and resource depletion are caused by the widespread use of aggregates, cement, and natural sand. To lessen reliance on traditional materials, researchers have recently concentrated on using industrial by-products as sustainable substitutes. An industrial waste product produced during the manufacturing of copper, copper slag has advantageous physical and chemical properties that make it a viable substitute for natural sand in concrete. In this study, the viability of substituting copper slag for fine aggregate in High Strength Concrete (HSC) of grades M40, M60, and M80 is examined. Copper slag was added to concrete mixtures in 10% increments, ranging from 0% to 100%, in place of natural sand. Durability metrics including water absorption and permeability were assessed in addition to mechanical attributes like compressive, tensile, and flexural strength. The findings reveal that adding copper slag improves HSC’s strength performance, with tensile, and compressive strengths steadily increasing until total sand replacement.

Keywords:

Copper slag; Concrete; Strength; Performance