Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental Study
The bending capacity of concrete-encased underground electrical duct banks has been the subject of considerable investigation using the load-structure method; however, the role of high-density polyethylene (HDPE) conduits and the thresholds of electrical duct banks has not been fully scrutinized. Th...
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| Main Authors: | , , , |
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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/10.1155/2021/8836232 |
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| author | Ting-jin Liu Liang-yi Cai Qiang Liao Yu-bing Yang |
| author_facet | Ting-jin Liu Liang-yi Cai Qiang Liao Yu-bing Yang |
| author_sort | Ting-jin Liu |
| collection | DOAJ |
| description | The bending capacity of concrete-encased underground electrical duct banks has been the subject of considerable investigation using the load-structure method; however, the role of high-density polyethylene (HDPE) conduits and the thresholds of electrical duct banks has not been fully scrutinized. This study examines the bending behaviors of electrical duct banks subjected to monotonic vertical loading in a soil box using an advanced monitoring device to measure the conduit diameter change. An analysis of the experiment shows the effective role of HDPE conduits in improving the bending capacity of electrical duct banks. The results suggest 5% and 7.5% as the deformation rate thresholds with respect to the ultimate states of serviceability and bearing capacity, respectively. The threshold of the longitudinal curvature radius is determined to be 18000 m. Finally, the evolution trends of the stress and deformation rates of HDPE conduits are recommended for the monitoring indexes and control standards of electrical duct banks. |
| format | Article |
| id | doaj-art-3c2485d99aaf448885bbe5f31122d761 |
| 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-3c2485d99aaf448885bbe5f31122d7612025-02-03T01:07:08ZengWileyAdvances in Civil Engineering1687-80861687-80942021-01-01202110.1155/2021/88362328836232Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental StudyTing-jin Liu0Liang-yi Cai1Qiang Liao2Yu-bing Yang3South China Institute of Geotechnical Engineering, South China University of Technology, Guangzhou 510640, Guangdong, ChinaSchool of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, Guangdong, ChinaSchool of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, Guangdong, ChinaCollege of Water Conservancy and Civil Engineering, South China Agricultural University, Guangzhou 510642, Guangdong, ChinaThe bending capacity of concrete-encased underground electrical duct banks has been the subject of considerable investigation using the load-structure method; however, the role of high-density polyethylene (HDPE) conduits and the thresholds of electrical duct banks has not been fully scrutinized. This study examines the bending behaviors of electrical duct banks subjected to monotonic vertical loading in a soil box using an advanced monitoring device to measure the conduit diameter change. An analysis of the experiment shows the effective role of HDPE conduits in improving the bending capacity of electrical duct banks. The results suggest 5% and 7.5% as the deformation rate thresholds with respect to the ultimate states of serviceability and bearing capacity, respectively. The threshold of the longitudinal curvature radius is determined to be 18000 m. Finally, the evolution trends of the stress and deformation rates of HDPE conduits are recommended for the monitoring indexes and control standards of electrical duct banks.http://dx.doi.org/10.1155/2021/8836232 |
| spellingShingle | Ting-jin Liu Liang-yi Cai Qiang Liao Yu-bing Yang Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental Study Advances in Civil Engineering |
| title | Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental Study |
| title_full | Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental Study |
| title_fullStr | Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental Study |
| title_full_unstemmed | Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental Study |
| title_short | Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental Study |
| title_sort | bending capacity of concrete encased underground electrical duct banks under monotonic loading an experimental study |
| url | http://dx.doi.org/10.1155/2021/8836232 |
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