Performance Analysis of Self-Curing Concrete Using Stone Dust as Partial Fine Aggregate Replacement

This research examines the performance of self-curing concrete incorporating stone dust as a substitute for fine aggregates. SCC is increasingly used due to its ability to maintain internal moisture without requiring external water curing, making it suitable for water-scarce regions. Stone dust, an industrial waste material, is utilized in different proportions (0%, 10%, 20%, 30%, 40%, and 50%) to replace natural sand. The study evaluates both fresh and hardened properties of concrete, including workability, compressive strength, water absorption, and durability. Results indicate that the inclusion of stone dust improves workability and enhances strength up to an optimum replacement level. Beyond that, performance may decline. The study also highlights environmental and economic benefits, as the use of stone dust reduces waste and lowers construction costs.