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Engineering Properties of Crushed-Fine Glass as Partial Replacement of Fine Aggregate in Concrete

Adeniran Jolaade Adeala & Olugbenga Babajide Soyemi, Volume 2 Issue 1, July 2021 Pages 86-94, Published: 2021-07-24


Several challenges are resulting from poor management and utilization of construction wastes globally. Its menace poses a hazard to both human being and the environment. Addressing this menace is the focus of this research using fine waste glass (FWG) from construction waste to partially replace fine aggregate in concrete. Concrete cubes (150mm) were made using a different graded volume of 0, 5, 10, 15, and 20% of FWG. Sixty cubes in total were made and three cubes for each percentage of FWG cured for 7, 14, 21 and 28 days respectively. Engineering properties tests like density, compressive strength and water absorption were carried out. The results revealed that the densities of concrete cubes with 5 -15% FWG replacement were above 2400Kg/m3 and the compressive strength at 28days for 0%, 5%, 10% ,15% and 20% replacement of fine waste glass were 27.06N/mm2, 27.25N/mm2, 25.58N/mm2, 25.30N/mm2 and 17.08N/mm2 respectively. Thus, meeting the requirement for use in normal-weight concrete. In conclusion, replacement of fine aggregate with broken waste glass up to 15% is recommended for normal-weight concrete productions