Shear Characteristics of the Interface between Recycled Concrete Aggregates and Various Geosynthetics
To investigate the interface shear characteristics between various geosynthetics and recycled concrete aggregate (RCA), 30 large-scale monotonic direct shear tests were conducted. The main work was to analyse the effect of a biaxial polypropylene geogrid, a glass fiber geogrid, a warp-knitted polyes...
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| Format: | Article |
| Language: | English |
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Wiley
2021-01-01
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| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2021/8374376 |
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| author | Jian-Qi Wu Lei Li Guo-Hui Yuan Bin Wu Hao Zhang Li-Jun Zhou |
| author_facet | Jian-Qi Wu Lei Li Guo-Hui Yuan Bin Wu Hao Zhang Li-Jun Zhou |
| author_sort | Jian-Qi Wu |
| collection | DOAJ |
| description | To investigate the interface shear characteristics between various geosynthetics and recycled concrete aggregate (RCA), 30 large-scale monotonic direct shear tests were conducted. The main work was to analyse the effect of a biaxial polypropylene geogrid, a glass fiber geogrid, a warp-knitted polyester geogrid, a woven geotextile, and geonet on the interface shear properties of RCA. The test results show that adding a biaxial polypropylene geogrid or a geonet to RCA can improve its interface shear strength. The inclusion of glass fiber geogrids, warp-knitted polyester geogrids, and woven geotextiles decrease the interface shear strength of RCA. The reinforcing RCA with geosynthetics can effectively suppress its shear dilation, and the change in internal friction angle is consistent with the change law of the material interface enhancement coefficient. Finally, the aperture size of a geogrid has a significant effect on the mechanical properties of the geogrid-RCA interface. The interface shear strength increases first and then decreases with an increase in the ratio between aperture size and median particle diameter. It is concluded that there is an optimal range of aperture ratio between a geogrid and RCA. |
| format | Article |
| id | doaj-art-a1b301a10eb946e2863eeae1de6bd71d |
| institution | Kabale University |
| issn | 1687-8086 1687-8094 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-a1b301a10eb946e2863eeae1de6bd71d2025-02-03T01:25:00ZengWileyAdvances in Civil Engineering1687-80861687-80942021-01-01202110.1155/2021/83743768374376Shear Characteristics of the Interface between Recycled Concrete Aggregates and Various GeosyntheticsJian-Qi Wu0Lei Li1Guo-Hui Yuan2Bin Wu3Hao Zhang4Li-Jun Zhou5College of Civil and Surveying Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, ChinaCollege of Civil and Surveying Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, ChinaCollege of Architecture and Civil Engineering, Wenzhou University, Wenzhou 325035, Zhejiang,, ChinaCollege of Civil and Surveying Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, ChinaCollege of Civil and Surveying Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, ChinaEye Hospital, Wenzhou Medical University, Wenzhou 325035, Zhejing, ChinaTo investigate the interface shear characteristics between various geosynthetics and recycled concrete aggregate (RCA), 30 large-scale monotonic direct shear tests were conducted. The main work was to analyse the effect of a biaxial polypropylene geogrid, a glass fiber geogrid, a warp-knitted polyester geogrid, a woven geotextile, and geonet on the interface shear properties of RCA. The test results show that adding a biaxial polypropylene geogrid or a geonet to RCA can improve its interface shear strength. The inclusion of glass fiber geogrids, warp-knitted polyester geogrids, and woven geotextiles decrease the interface shear strength of RCA. The reinforcing RCA with geosynthetics can effectively suppress its shear dilation, and the change in internal friction angle is consistent with the change law of the material interface enhancement coefficient. Finally, the aperture size of a geogrid has a significant effect on the mechanical properties of the geogrid-RCA interface. The interface shear strength increases first and then decreases with an increase in the ratio between aperture size and median particle diameter. It is concluded that there is an optimal range of aperture ratio between a geogrid and RCA.http://dx.doi.org/10.1155/2021/8374376 |
| spellingShingle | Jian-Qi Wu Lei Li Guo-Hui Yuan Bin Wu Hao Zhang Li-Jun Zhou Shear Characteristics of the Interface between Recycled Concrete Aggregates and Various Geosynthetics Advances in Civil Engineering |
| title | Shear Characteristics of the Interface between Recycled Concrete Aggregates and Various Geosynthetics |
| title_full | Shear Characteristics of the Interface between Recycled Concrete Aggregates and Various Geosynthetics |
| title_fullStr | Shear Characteristics of the Interface between Recycled Concrete Aggregates and Various Geosynthetics |
| title_full_unstemmed | Shear Characteristics of the Interface between Recycled Concrete Aggregates and Various Geosynthetics |
| title_short | Shear Characteristics of the Interface between Recycled Concrete Aggregates and Various Geosynthetics |
| title_sort | shear characteristics of the interface between recycled concrete aggregates and various geosynthetics |
| url | http://dx.doi.org/10.1155/2021/8374376 |
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