Evaluation of Interface Shear Strength of Natural Kenaf Geogrid and Recycled Concrete Aggregate for Sustainable Pavement Applications
In this research, a natural kenaf geogrid was used to reinforce recycled concrete aggregate (RCA) as a base/subbase material. The interface shear behavior of kenaf geogrid-reinforced RCA was investigated using a large-scale direct shear test (LSDT). The influence of aperture sizes of geogrid, gradat...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2022-12-01
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| Series: | Journal of Natural Fibers |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1080/15440478.2021.1904485 |
| _version_ | 1827812885159477248 |
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| author | Apichat Suddeepong Menglim Hoy Chaninnun Nuntasena Suksun Horpibulsuk Karn Kantatham Arul Arulrajah |
| author_facet | Apichat Suddeepong Menglim Hoy Chaninnun Nuntasena Suksun Horpibulsuk Karn Kantatham Arul Arulrajah |
| author_sort | Apichat Suddeepong |
| collection | DOAJ |
| description | In this research, a natural kenaf geogrid was used to reinforce recycled concrete aggregate (RCA) as a base/subbase material. The interface shear behavior of kenaf geogrid-reinforced RCA was investigated using a large-scale direct shear test (LSDT). The influence of aperture sizes of geogrid, gradations of RCA, and normal stress on the interface friction angle (δ) and adhesion (ca) of kenaf geogrid-reinforced RCA was evaluated. The interface shear strength of kenaf geogrid-reinforced RCA were found to be dependent upon the gradation of RCA and the aperture size of kenaf geogrids (D). The higher D resulted in the higher δ, while exhibited less effect on ca of the large-sized RCA samples. Furthermore, it was found that the higher D resulted in the higher ca of the small-sized RCA samples and indicated less influence on the δ. A practical correlation between the interface shear strength coefficient (α) and D/FD ratio, where FD is RCA particles finer than D, is proposed for the rapid estimation of the interface shear strength between the kenaf geogrid and RCA. The outcome of this research will lead to the promotion of using kenaf geogrids as a natural reinforcement in waste RCA for sustainable pavement base/subbase applications. |
| first_indexed | 2024-03-11T23:24:44Z |
| format | Article |
| id | doaj.art-5d9912fd44064e12a34711225b40cf38 |
| institution | Directory Open Access Journal |
| issn | 1544-0478 1544-046X |
| language | English |
| last_indexed | 2024-03-11T23:24:44Z |
| publishDate | 2022-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Journal of Natural Fibers |
| spelling | doaj.art-5d9912fd44064e12a34711225b40cf382023-09-20T13:04:27ZengTaylor & Francis GroupJournal of Natural Fibers1544-04781544-046X2022-12-0119136165618110.1080/15440478.2021.19044851904485Evaluation of Interface Shear Strength of Natural Kenaf Geogrid and Recycled Concrete Aggregate for Sustainable Pavement ApplicationsApichat Suddeepong0Menglim Hoy1Chaninnun Nuntasena2Suksun Horpibulsuk3Karn Kantatham4Arul Arulrajah5Undergraduate Program in Civil and Infrastructure Engineering, and Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of TechnologyUndergraduate Program in Civil and Infrastructure Engineering, and Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of TechnologyGraduate Program in Construction and Infrastructure Management, Suranaree University of TechnologyUndergraduate Program in Civil and Infrastructure Engineering, and Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of TechnologyUndergraduate Program in Civil and Infrastructure Engineering, and Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of TechnologyDepartment of Civil and Construction Engineering, Swinburne University of TechnologyIn this research, a natural kenaf geogrid was used to reinforce recycled concrete aggregate (RCA) as a base/subbase material. The interface shear behavior of kenaf geogrid-reinforced RCA was investigated using a large-scale direct shear test (LSDT). The influence of aperture sizes of geogrid, gradations of RCA, and normal stress on the interface friction angle (δ) and adhesion (ca) of kenaf geogrid-reinforced RCA was evaluated. The interface shear strength of kenaf geogrid-reinforced RCA were found to be dependent upon the gradation of RCA and the aperture size of kenaf geogrids (D). The higher D resulted in the higher δ, while exhibited less effect on ca of the large-sized RCA samples. Furthermore, it was found that the higher D resulted in the higher ca of the small-sized RCA samples and indicated less influence on the δ. A practical correlation between the interface shear strength coefficient (α) and D/FD ratio, where FD is RCA particles finer than D, is proposed for the rapid estimation of the interface shear strength between the kenaf geogrid and RCA. The outcome of this research will lead to the promotion of using kenaf geogrids as a natural reinforcement in waste RCA for sustainable pavement base/subbase applications.http://dx.doi.org/10.1080/15440478.2021.1904485ground improvementearth reinforcementpavementkenaf geogridrecycled materialinterface shear strength |
| spellingShingle | Apichat Suddeepong Menglim Hoy Chaninnun Nuntasena Suksun Horpibulsuk Karn Kantatham Arul Arulrajah Evaluation of Interface Shear Strength of Natural Kenaf Geogrid and Recycled Concrete Aggregate for Sustainable Pavement Applications Journal of Natural Fibers ground improvement earth reinforcement pavement kenaf geogrid recycled material interface shear strength |
| title | Evaluation of Interface Shear Strength of Natural Kenaf Geogrid and Recycled Concrete Aggregate for Sustainable Pavement Applications |
| title_full | Evaluation of Interface Shear Strength of Natural Kenaf Geogrid and Recycled Concrete Aggregate for Sustainable Pavement Applications |
| title_fullStr | Evaluation of Interface Shear Strength of Natural Kenaf Geogrid and Recycled Concrete Aggregate for Sustainable Pavement Applications |
| title_full_unstemmed | Evaluation of Interface Shear Strength of Natural Kenaf Geogrid and Recycled Concrete Aggregate for Sustainable Pavement Applications |
| title_short | Evaluation of Interface Shear Strength of Natural Kenaf Geogrid and Recycled Concrete Aggregate for Sustainable Pavement Applications |
| title_sort | evaluation of interface shear strength of natural kenaf geogrid and recycled concrete aggregate for sustainable pavement applications |
| topic | ground improvement earth reinforcement pavement kenaf geogrid recycled material interface shear strength |
| url | http://dx.doi.org/10.1080/15440478.2021.1904485 |
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