ASSESSMENT OF IRON TAILINGS AS REPLACEMENT FOR FINE AGGREGATE IN ENGINEERING APPLICATIONS

This study evaluated the suitability of iron tailings as fine aggregate replacements for engineering applications. is necessary to find economic usage enormous amount waste from Itakpe mines. The physical properties specific gravity, bulk density, moisture content, particle size, fineness modulus, and mechanical in terms compressive strength, compaction factor, flexural relative density concrete made with were determined. World Health Organization (WHO) standard methods examining water wastewater used analyze curing cubes beams ascertain toxicity. result shows workability 50% within limit. strength at 28 days 0% 100% percentage replacement increases 10.1N/mm2 15.3N/mm2. Therefore, replacing sand filling will improve any concrete. analysis that beam 15N/mm2 16.9N/mm2 0 28-day curing. There also a linear relationship between tailing pH Alkalinity tests cure indicate water's alkalinity was high (20.883 40.75) range 12.1-12.4. using not harm durability resulting are suitable acceptable up 75% without negatively altering such