ANALYSIS OF MECHANICAL PROPERTIES OF CEMENT BRICKS PRODUCED WITH IRON ORE MINING WASTE

Cement bricks are a composite material formed by combining aggregates, dust, cement, and water in predetermined proportions, presenting numerous advantages for urban and rural construction. This approach also offers the potential to utilize waste materials effectively. One notable waste stream originates from the extraction of iron ore, resulting in substantial daily accumulation due to large-scale mining activities. This waste not only contributes to air pollution but also occupies significant physical space. Hence, the primary objective of this study was to evaluate the impact of substituting 40% of the aggregate with this iron ore extraction waste on the properties of cement bricks. The raw materials employed in this investigation encompassed aggregate (with a size of 10mm), cement(53 grade), and solid waste derived from iron ore extraction. These materials underwent thorough physicochemical analysis to establish their characteristics. The study centered on the assessment of several technological attributes, including water absorption, compressive strength, cost implications, and microstructure analysis. The outcomes of the study indicated a favorable enhancement in the density of cement bricks through the incorporation of mining waste. Furthermore, the results strongly suggested that an integration of up to 40% waste content was achievable while still adhering to established characterization standards. The utilization of cement bricks incorporating waste materials presents a promising and sustainable alternative for construction purposes. This approach not only offers economic advantages but also addresses the significant environmental challenges associated with the waste generated from iron ore extraction. The research unequivocally demonstrates the feasibility of integrating mining waste into the production process of cement bricks, thereby promoting both resource efficiency and environmental preservation.