Structural Behaviour of Crushed Fine Ceramic Tiles as Partial Substitute of Fine Aggregates In the Production of Concrete

Authors : Adeniran Jolaade Adeala; Adeleke Adekunle Adeala

Volume/Issue : Volume 6 - 2021, Issue 2 - February

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Ceramic tiles waste is generated from construction sites or factories where they are being manufactured. In the present construction world, the solid waste is increasing day by day from the demolitions of construction. Ceramic products are part of the essential construction materials used in most buildings. Construction industry can handle most of the ceramic waste produced from anthropogenic activities as well reduce rate utilization of quarried natural resources. Ceramic floor tiles collected from different location was dried, crushed and ground by mechanical grinding machine. The waste generated after grinding was passed through sieve size of 4. 75 mm. Particle size distributions was carried out on both fine and coarse aggregate in accordance to (BS 1377-2:1990), Workability test was also carried out on concrete. Specific gravity was carried out on cement, fine aggregate and cement. Concrete cubes were cast for each replacement (0%, 5%, 10%, 15% and 20%) with water cement ratio (W/C) of 0.5 and they were cured for 7, 14 and 28 respectively. Water absorption and consistency test were carried out on conventional and modified concrete .The result showed that Particle size distributions of the aggregates were well graded. The modified concrete exhibit true slumps. Specific gravity of cement, fine aggregate and crushed ceramic tile are 2.63, 2.65and 2.50 respectively. It was observed that 10% at 0.5w/c of replacement has higher water absorption rate of 1.14% and 5% at 0.5w/c of replacement has lower water absorption rate 0.88%. The compressive strength at 28days for modified concrete (5% and 10% replacement) with w/c of 0.5 were 27.33 N/mm2 and 25.58 N/mm2 compared to control (25 N/mm2 ) at 28days.The study concluded that the modified concrete at 28days, having water-cement ratio of 0.5 at 5% and 10% crushed ceramic tile replacement have properties as a normal weight concrete.

Keywords : Ceramic tiles, Compressive Strength, Particle size distribution, Specific gravity, Water absorption


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