Structural performance evaluation of concrete mixes containing recycled concrete aggregate and calcined termite mound for low-cost housing
Alternative substitutes to convectional building and construction materials which pose environmental challenges, will be a bonus to the construction industries. This research investigates the suitability of calcined termite mound as partial substitute for cement and recycled concrete aggregate as ag...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-06-01
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| Series: | Alexandria Engineering Journal |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S111001682300265X |
| _version_ | 1797847701629435904 |
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| author | Monisola Dorcas Obebe Catherine Mayowa Ikumapayi Kenneth Kanayo Alaneme |
| author_facet | Monisola Dorcas Obebe Catherine Mayowa Ikumapayi Kenneth Kanayo Alaneme |
| author_sort | Monisola Dorcas Obebe |
| collection | DOAJ |
| description | Alternative substitutes to convectional building and construction materials which pose environmental challenges, will be a bonus to the construction industries. This research investigates the suitability of calcined termite mound as partial substitute for cement and recycled concrete aggregate as aggregates substitute in the production of concrete. Termite mound clay in its natural state was obtained, calcined, and pulverized to the fineness of 75 µm. Various concrete mixes were formulated in which Ordinary Portland cement was partially replaced with Calcined Termite Mound (CTM) from 0% to 25% replacement at a step size of 5%, and recycled concrete aggregates (RCA) was also used as a partial replacement of the coarse natural aggregate (NA) at 20%, 40%, 60%, 80% and 100% by weight replacement. Compressive strength test, setting time test, slump test, scanning electron microscopy (SEM), and Fourier-transform infrared spectroscopy (FTIR), were used to characterize the test materials and the concrete specimens. The results show that addition of either RCA or CTM will lead to reduction in the compressive strength. However, when RCA is combined with CTM, the optimum combinations suitable for structural load bearing members were found to be 60% RCA, 40% NA with 5% CTM. Other comparable mixes were also discovered. |
| first_indexed | 2024-04-09T18:16:38Z |
| format | Article |
| id | doaj.art-6dae326e0b8846639fe77b7aed5d92a8 |
| institution | Directory Open Access Journal |
| issn | 1110-0168 |
| language | English |
| last_indexed | 2024-04-09T18:16:38Z |
| publishDate | 2023-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Alexandria Engineering Journal |
| spelling | doaj.art-6dae326e0b8846639fe77b7aed5d92a82023-04-13T04:26:23ZengElsevierAlexandria Engineering Journal1110-01682023-06-0172237246Structural performance evaluation of concrete mixes containing recycled concrete aggregate and calcined termite mound for low-cost housingMonisola Dorcas Obebe0Catherine Mayowa Ikumapayi1Kenneth Kanayo Alaneme2Department of Civil Engineering, Federal University of Technology Akure, PMB 704, NigeriaDepartment of Civil Engineering, Federal University of Technology Akure, PMB 704, Nigeria; Corresponding author.Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure PMB 704, Nigeria; Centre for Nanoengineering and Tribocorrosion, School of Mining, Metallurgy and Chemical Engineering, Faculty of Engineering & the Built Environment, University of Johannesburg, South AfricaAlternative substitutes to convectional building and construction materials which pose environmental challenges, will be a bonus to the construction industries. This research investigates the suitability of calcined termite mound as partial substitute for cement and recycled concrete aggregate as aggregates substitute in the production of concrete. Termite mound clay in its natural state was obtained, calcined, and pulverized to the fineness of 75 µm. Various concrete mixes were formulated in which Ordinary Portland cement was partially replaced with Calcined Termite Mound (CTM) from 0% to 25% replacement at a step size of 5%, and recycled concrete aggregates (RCA) was also used as a partial replacement of the coarse natural aggregate (NA) at 20%, 40%, 60%, 80% and 100% by weight replacement. Compressive strength test, setting time test, slump test, scanning electron microscopy (SEM), and Fourier-transform infrared spectroscopy (FTIR), were used to characterize the test materials and the concrete specimens. The results show that addition of either RCA or CTM will lead to reduction in the compressive strength. However, when RCA is combined with CTM, the optimum combinations suitable for structural load bearing members were found to be 60% RCA, 40% NA with 5% CTM. Other comparable mixes were also discovered.http://www.sciencedirect.com/science/article/pii/S111001682300265XCalcined termite moundCompressive strengthPortland cementRecycled concrete aggregatesNatural aggregates |
| spellingShingle | Monisola Dorcas Obebe Catherine Mayowa Ikumapayi Kenneth Kanayo Alaneme Structural performance evaluation of concrete mixes containing recycled concrete aggregate and calcined termite mound for low-cost housing Alexandria Engineering Journal Calcined termite mound Compressive strength Portland cement Recycled concrete aggregates Natural aggregates |
| title | Structural performance evaluation of concrete mixes containing recycled concrete aggregate and calcined termite mound for low-cost housing |
| title_full | Structural performance evaluation of concrete mixes containing recycled concrete aggregate and calcined termite mound for low-cost housing |
| title_fullStr | Structural performance evaluation of concrete mixes containing recycled concrete aggregate and calcined termite mound for low-cost housing |
| title_full_unstemmed | Structural performance evaluation of concrete mixes containing recycled concrete aggregate and calcined termite mound for low-cost housing |
| title_short | Structural performance evaluation of concrete mixes containing recycled concrete aggregate and calcined termite mound for low-cost housing |
| title_sort | structural performance evaluation of concrete mixes containing recycled concrete aggregate and calcined termite mound for low cost housing |
| topic | Calcined termite mound Compressive strength Portland cement Recycled concrete aggregates Natural aggregates |
| url | http://www.sciencedirect.com/science/article/pii/S111001682300265X |
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