School of Infrastructure Process Engineering and Technology (SIPET)
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School of Infrastructure Process Engineering and Technology (SIPET)
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Item Effects of Waste Glass Powder and Cassava Peel Ash on Compressive Strength of Concrete(Proceedings of the Third International Civil Engineering Conference (ICEC, 2024), 2025) Ndaiji, A. U.; Abdullahi, M.; Abbas, B. A.; Abubakar, MahmudThis study investigates the effects of incorporating glass waste powder (GWP) and cassava peel ash (CPA) as partial replacements for cement on the compressive strength of concrete. A total of 294 concrete cubes were prepared with varying proportions of GWP and CPA (0%, 5%, 10%, 15%, 20%, 25% and 30% replacement levels). Both materials were characterized by X-Ray Fluorescence (XRF) analytical method. The slump of fresh concrete with WGP and CPA of 0, 5, 10, 15, 20, 25 and 30% respectively by weight of cement was investigated in accordance with standard procedures. The results show that the compressive strength of concrete increased with the addition of GWP and CPA up to a certain replacement level. The 28 days compressive strength of concrete with 15% WGP/CPA content was 16.4 % more than normal, while that of concrete with 20% WGP/CPA content was 11.9 % less than normal. The optimal replacement levels for GWP and CPA were found to be 15% and 5%, respectively. The study concludes that the use of GWP and CPA as partial replacements for cement can improve it compressive strength, it sustainability and reduce the environmental impact of concrete production. The results of slump tests of different percentages of CPA/GWP as a partial replacement of cement in concrete production were observed for all proportion ranging between 12 – 41mm. However, 20% GWP/CPA replacement was considered as optimum for structural concrete.Item Production of Pavement Blocks Using Low Density Polyethylene Product Waste(Proceedings of the 4th International Conference (SETIC), School of Environmental Technology, Federal University of Technology, Minna, Nigeria, 2023-01-02) Aboje, A. A.; Abbas, B. A.; Kolo, D. N.; Abubakar, M.; Abdulsalam A. M.Waste sachet water packs cause considerable land pollution in Nigeria. In this research, pavement block was produced using low density polyethylene products waste (sachet water packs) as an alternative binder. The production was achieved by first converting the sachet water packs into pellets and blending it with sandstone in a mass ratio of 8:2 (A), 7:3 (B) and 6:4 (C) sandstone to pellets respectively. The compressive strength, %water absorption and curing time tests were carried out on the pavement block to determine it suitability and safety for low-traffic use. The compressive strength for polymer concrete samples A, B and C were 13.65N/mm2 , 16.99N/mm2 and 20.34N/mm2 respectively. After carrying out the %water absorption test on the polymer concrete A, B and C the following result was obtained: 8.33%, 5.47% and 4.03% respectively. It should be noted that the polymer concrete samples and the control samples which (are cement concrete based) are for light-traffic use (pedestrian, plazas, shopping complexes ramps, car parks, office drive ways, rural roads with low traffic, and residential road).