Mechanical Properties of Concrete Production with Powdery Fowl Egg Shell (PFES) as Substitute for Ordinary Portland Cement

Adeala, A.J and Soyemi, Olugbenga Babajide (2020) Mechanical Properties of Concrete Production with Powdery Fowl Egg Shell (PFES) as Substitute for Ordinary Portland Cement. In: NSE Ilaro Branch, 1st National Conference, 2-3 November, 2020, Virtual.

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An eggshell is a waste generated from fowl poultry, which causes nuisance to the environment and serious threat to human health. Fowls eggshell was washed, dried, crushed, ground by mechanical grinding machine and passing through sieve size of 75µm which falls within range of particle size of cement (50µm-90µm). Particle size distribution was carried out on both fine and coarse aggregate in accordance to (BS 1377-2:1990), Workability and density test were also carried out on concrete. Specific gravity was carried out on cement, fine aggregate and cement. Concrete cubes were cast for each replacement (15% & 20%) with varying water cement ratio (W/C) of 0.4, 0.5 and 0.6. and they were cured for 7, 14, 28 and 56days respectively. Water absorption and consistency test were carried out on conventional and modified concrete (Fresh fowl eggshell). The result showed that Particle size distributions of the aggregates are well graded. The result indicated that at 0.4w/c and 0.5w/c have true slumps. The densities of modified concrete varied from 2300-2500Kg/m3 . The result showed that 15% at 0.4w/c of replacement has higher water absorption rate 1.18% and 20% at 0.4w/c of replacement has lower water absorption rate 0.41%. The result further showed that control (0%) at 0.4w/c has compressive strength of 29.50N/mm2 while replacement of 15% and 20% has compressive strength of 29.30N/mm2 and 24.88N/mm2 respectively at 28days. The research concluded that the modified concrete at 28days, having water-cement ratio of 0.4 at 15% fowl eggshell powder replacement have properties as a normal weight concrete.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Concrete, Fresh Fowl eggshell, Particle Size Distribution, Water Absorption, Workability,
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Divisions: Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment
Depositing User: Joy Oluwabukola Olayiwola
Date Deposited: 15 Jun 2021 08:40
Last Modified: 15 Jun 2021 08:40

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