Compressive and Flexural Strengths of Bio-Recycled Concrete Incorporated with Kenaf Fibre
Kenaf fiber (KF) has been applied in concrete to compensate for the weak tensile strength. Similarly, recycled concrete aggregate (RCA) is applied to reduce problems associated with waste concrete materials. However, both KF and RCA reduce the compressive strength (fck) of concrete. This study invol...
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Taylor & Francis Group
2024-12-01
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| Series: | Journal of Natural Fibers |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/15440478.2023.2296913 |
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| author | Muyideen Abdulkareem Fadilat Ayeronfe Taha M. Jassam Ali H. AlAteah Khaled A. Alawi Al-Sodani Mohammed M.H. Al-Tholaia Hok Yam Abideen Ganiyu Sophia C. Alih |
| author_facet | Muyideen Abdulkareem Fadilat Ayeronfe Taha M. Jassam Ali H. AlAteah Khaled A. Alawi Al-Sodani Mohammed M.H. Al-Tholaia Hok Yam Abideen Ganiyu Sophia C. Alih |
| author_sort | Muyideen Abdulkareem |
| collection | DOAJ |
| description | Kenaf fiber (KF) has been applied in concrete to compensate for the weak tensile strength. Similarly, recycled concrete aggregate (RCA) is applied to reduce problems associated with waste concrete materials. However, both KF and RCA reduce the compressive strength (fck) of concrete. This study involves addition of calcite-producing bacillus subtilis bacteria to recycled aggregate concrete (RAC) incorporated with KF. The bacteria is added to concrete with varying proportions of RCA and KF to produce bio-fibrous recycled concrete (BFRC). The proportions of RCA are 0%, 25% 50% and 75% replacement of coarse aggregate, while KF are 0.2%, 0.5% and 1% of concrete. W/C of 0.45, 0.5, and 0.6 are applied to evaluate the effects of different w/c ratios. The properties evaluated are the fck and the flexural strength (ft) of the concrete samples at 28 days. The results showed that 0.2% KF in bio-concrete (BC) increases the fck by 12%; however, increasing above 0.2% decreases fck. KF in BC increases ft by 60%. Furthermore, 0.5% KF content resulted in highest ft of BRC. Increasing RCA content in bio-recycled concrete and BFRC decreases fck by 30% and 33%, respectively, as well as ft by 13% and 18%, respectively. |
| format | Article |
| id | doaj-art-719f236736864d77aa69ddbd98f1bf6d |
| institution | Kabale University |
| issn | 1544-0478 1544-046X |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Journal of Natural Fibers |
| spelling | doaj-art-719f236736864d77aa69ddbd98f1bf6d2024-12-09T14:41:34ZengTaylor & Francis GroupJournal of Natural Fibers1544-04781544-046X2024-12-0121110.1080/15440478.2023.2296913Compressive and Flexural Strengths of Bio-Recycled Concrete Incorporated with Kenaf FibreMuyideen Abdulkareem0Fadilat Ayeronfe1Taha M. Jassam2Ali H. AlAteah3Khaled A. Alawi Al-Sodani4Mohammed M.H. Al-Tholaia5Hok Yam6Abideen Ganiyu7Sophia C. Alih8Department of Civil & Environmental Engineering, UCSI University, Kuala Lumpur, MalaysiaFaculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia, Johor, MalaysiaDepartment of Civil & Environmental Engineering, UCSI University, Kuala Lumpur, MalaysiaDepartment of Civil Engineering, University of Hafr Al Batin, Hafr Al Batin, Saudi ArabiaDepartment of Civil Engineering, University of Hafr Al Batin, Hafr Al Batin, Saudi ArabiaDepartment of Civil Engineering, University of Hafr Al Batin, Hafr Al Batin, Saudi ArabiaDepartment of Biotechnology, UCSI University, Kuala Lumpur, MalaysiaDepartment of Civil Engineering, British University of Bahrain, Saar, BahrainSchool of Civil Engineering, Universiti Teknologi Malaysia, Johor, MalaysiaKenaf fiber (KF) has been applied in concrete to compensate for the weak tensile strength. Similarly, recycled concrete aggregate (RCA) is applied to reduce problems associated with waste concrete materials. However, both KF and RCA reduce the compressive strength (fck) of concrete. This study involves addition of calcite-producing bacillus subtilis bacteria to recycled aggregate concrete (RAC) incorporated with KF. The bacteria is added to concrete with varying proportions of RCA and KF to produce bio-fibrous recycled concrete (BFRC). The proportions of RCA are 0%, 25% 50% and 75% replacement of coarse aggregate, while KF are 0.2%, 0.5% and 1% of concrete. W/C of 0.45, 0.5, and 0.6 are applied to evaluate the effects of different w/c ratios. The properties evaluated are the fck and the flexural strength (ft) of the concrete samples at 28 days. The results showed that 0.2% KF in bio-concrete (BC) increases the fck by 12%; however, increasing above 0.2% decreases fck. KF in BC increases ft by 60%. Furthermore, 0.5% KF content resulted in highest ft of BRC. Increasing RCA content in bio-recycled concrete and BFRC decreases fck by 30% and 33%, respectively, as well as ft by 13% and 18%, respectively.https://www.tandfonline.com/doi/10.1080/15440478.2023.2296913Bio-concreterecycled concrete aggregatekenaf fibercompressive strengthflexural strength生物混凝土 |
| spellingShingle | Muyideen Abdulkareem Fadilat Ayeronfe Taha M. Jassam Ali H. AlAteah Khaled A. Alawi Al-Sodani Mohammed M.H. Al-Tholaia Hok Yam Abideen Ganiyu Sophia C. Alih Compressive and Flexural Strengths of Bio-Recycled Concrete Incorporated with Kenaf Fibre Journal of Natural Fibers Bio-concrete recycled concrete aggregate kenaf fiber compressive strength flexural strength 生物混凝土 |
| title | Compressive and Flexural Strengths of Bio-Recycled Concrete Incorporated with Kenaf Fibre |
| title_full | Compressive and Flexural Strengths of Bio-Recycled Concrete Incorporated with Kenaf Fibre |
| title_fullStr | Compressive and Flexural Strengths of Bio-Recycled Concrete Incorporated with Kenaf Fibre |
| title_full_unstemmed | Compressive and Flexural Strengths of Bio-Recycled Concrete Incorporated with Kenaf Fibre |
| title_short | Compressive and Flexural Strengths of Bio-Recycled Concrete Incorporated with Kenaf Fibre |
| title_sort | compressive and flexural strengths of bio recycled concrete incorporated with kenaf fibre |
| topic | Bio-concrete recycled concrete aggregate kenaf fiber compressive strength flexural strength 生物混凝土 |
| url | https://www.tandfonline.com/doi/10.1080/15440478.2023.2296913 |
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