An experiment study on partial replacement of fine aggregate with waste marble and granite crush

This study explores the use of waste marble and granite crush as a partial replacement for fine aggregate in concrete to promote sustainable construction and minimize the environmental impact of sand mining, which causes soil erosion and habitat destruction. Instead of discarding marble and granite waste from the stone industry, this research examines their potential application in concrete. Various proportions of marble and granite dust were tested to evaluate their effects on strength and durability. The results indicated that replacing 15% of sand with these materials provided the best strength and long-term performance, enhancing both compressive and tensile strength while maintaining durability. Utilizing waste materials in concrete contributes to environmental protection by reducing the demand for natural sand and lowering carbon emissions, offering a practical approach to eco-friendly construction while sustaining or even enhancing concrete quality.