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Abstract The construction industry generates a significant amount of waste, which presents a significant challenge for waste management. This waste includes construction and demolition waste (CDW), crushed aggregate, mortar, crushed brick, stones, etc. Reusing and recycling these wastes can reduce waste disposal and save natural resources. This research paper explores the study of the combined replacement of recycled coarse aggregate (RCA) and recycled fine aggregate (RFA) with varying proportions and evaluates the feasibility and optimum proportion of waste material as a partial replacement. Mechanical properties such as compressive strength, split tensile strength, and flexural strength the of all specimens were tested as a combined replacement of RCA (0%, 25%, 50%, 75%, 100%) and RFA (0%, 10%, 20%, 30%, 40%) for M30 grade concrete. Furthermore, SEM, EDX, of mortar were analysed to determine the microstructure characteristics of the materials.
Semwal et al. (Sat,) studied this question.