Concrete is a very common building material, but when excessive cement is used, there are high CO2 emissions and degradation of the environment. This research examines the impact of Ground Granulated Induction Furnace Slag (GGIFS) as an incomplete cement standby to produce eco-friendly and high-performance concrete. Six mixtures were designed by 0%, 10%, 20%, 30%, 40%, and 50% GGIFS using Okamura-Ouchi SSC method with a fixed water-binder ratio of 0.36 and 2% super plasticizer. Compression split tensile strength, flexural strength, and surface hardness tests were performed at 7, 14, and 28 days. Results indicated that a 20% GGIFS replacement (M2) resulted in maximum performance, with a compressive strength of 52.5 MPa, 3.85 MPa split tensile strength, 7.60 MPa flexural strength, and rebound hammer value of 44 at 28 days. But for replacement more than 30%, there was a decrease in strength because of less cementitious material. The research concludes that the most suitable substitution level is 20% GGIFS, providing enhanced strength, toughness, and environmental sustainability, and thus proving to be a good substitute for contemporary concrete manufacture.
GGIFS, sustainable concrete, cement replacement.
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