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Steel Slag ingredient for concrete pavement

Praveen Mathew, Leni Stephen, Jaleen George

Steel slag is an industrial by-product of steel industry. It possesses the problem of disposal as waste and is of environmental concern [9]. The demand for aggregate in construction industry is increasing rapidly and so is the demand for concrete. Thus it is becoming more important to seek suitable alternatives for aggregates in the future. In this study, the natural coarse aggregates (NCA) were replaced with steel slag aggregate (SSA) at various proportions of 20%, 40%, 60%, 80% and 100%. Experiments were conducted to determine the compressive strength, flexural strength and split tensile strength of concrete with various percentages of steel slag aggregate. The results were compared with conventional concrete.