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In this study, researchers investigated the combined influence of two specific materials - flaky aggregates and steel slag - on concrete behaviour. Flaky aggregates refer to particles that are flat or elongated, which can negatively affect the compactness and mechanical properties of concrete. Steel slag, on the other hand, is a byproduct of steel manufacturing that can be used as a partial replacement for coarse aggregate in concrete, offering potential benefits such as increased strength. Given properties of the ingredients used in order to perform construction will effect prepared concrete. When it comes to preparing concrete for construction work, coarse and fine aggregates are the basic ingredients that go into cement concrete. Based on experimentation, several previous researchers resulted the conclusion that the type of fractured cooperating coarse or fine aggregate had a significant influence on both workability and strength of concrete. In the current study, the synergistic impact of flaky aggregates and steel slag as a partial substitute for coarse aggregate on the performance of concrete, utilizing marble powder in place of sand, has been examined. Artificial neural network has been used to develop a model for evaluating compressive strength of concrete prepared using above waste materials. Flaky aggregate and steel slag have been mixed in 10%, 15%, 20%, 25% and 30% of coarse aggregate in the concrete. Increasing proportion of flaky aggregate has the negative effect on strength and workability and increasing steel slag results in enhancement of concrete strength whereas reduction in workability. M30 mix was used here and mixing both the materials together increases the early strength of concrete and low percentage increase of strength which gives the concrete with low workability. Utilizing advanced modeling techniques, this study explores the effects of various types of aggregates on concrete strength, workability, and durability. Through extensive experimentation and analysis, the interplay between aggregate properties, such as shape, size, and mineral composition, and concrete performance parameters is elucidated.
