Preparation and mechanical-electrical characterization of new complex-phase conductive concrete
The transmission line tower foundation is the key to determining the safe and stable operation of transmission lines under high current impact, and conductive concrete plays a vital role in the safe and stable operation of transmission lines. However, the mechanical and electrical properties of cond...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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AIP Publishing LLC
2025-01-01
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| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/5.0246709 |
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| _version_ | 1832542779819950080 |
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| author | Shicheng Feng Xiaohui Zhang Zhilei Xu Keliang Dong Jinfeng Zheng Runlong Zhang Zhaolin Zhou Xuan Wang |
| author_facet | Shicheng Feng Xiaohui Zhang Zhilei Xu Keliang Dong Jinfeng Zheng Runlong Zhang Zhaolin Zhou Xuan Wang |
| author_sort | Shicheng Feng |
| collection | DOAJ |
| description | The transmission line tower foundation is the key to determining the safe and stable operation of transmission lines under high current impact, and conductive concrete plays a vital role in the safe and stable operation of transmission lines. However, the mechanical and electrical properties of conductive concrete have a competitive relationship, and balancing these properties simultaneously is a current research problem. This paper proposes a new method for the preparation of novel multiphase electrically conductive concrete fiber composites and elucidates the mechanism of its electrical resistivity and compressive and flexural properties. The effects of concrete, graphite and stainless steel fibers as conductive phase materials on the changing law of physical properties of conductive concrete were compared, and the optimal ratio of the content of conductive phase materials was explored. A numerical calculation model of multi-field coupling of a new type of conductive concrete under high current impact was established. The results demonstrate that when the graphite content is 20% and the stainless steel fiber content is 2.75% ± 0.1%, the mechanical and electrical properties ratio is the best. The resistivity was reduced by 54%, the compressive strength was increased by 47.4%, and the flexural strength was increased by 151.4% compared to graphite conductive concrete. The new conductive concrete has promising frontiers of steady-state electricity and transient heat under 20 kA high current impingement, with its current density value dropping to 3280A/m3 and the maximum module temperature dropping to 2270 K. Relevant research provides a theoretical reference for guaranteeing the safe operation of power systems. |
| format | Article |
| id | doaj-art-531122a747ed47ba8b7b836f0ca65d59 |
| institution | Kabale University |
| issn | 2158-3226 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | AIP Advances |
| spelling | doaj-art-531122a747ed47ba8b7b836f0ca65d592025-02-03T16:40:42ZengAIP Publishing LLCAIP Advances2158-32262025-01-01151015223015223-1110.1063/5.0246709Preparation and mechanical-electrical characterization of new complex-phase conductive concreteShicheng Feng0Xiaohui Zhang1Zhilei Xu2Keliang Dong3Jinfeng Zheng4Runlong Zhang5Zhaolin Zhou6Xuan Wang7College of Electrical Engineering, Henan University of Technology, Zhengzhou 450001, ChinaCollege of Electrical Engineering, Henan University of Technology, Zhengzhou 450001, ChinaCollege of Electrical Engineering, Henan University of Technology, Zhengzhou 450001, ChinaCollege of Electrical Engineering, Henan University of Technology, Zhengzhou 450001, ChinaCollege of Electrical Engineering, Henan University of Technology, Zhengzhou 450001, ChinaCollege of Electrical Engineering, Henan University of Technology, Zhengzhou 450001, ChinaCollege of Electrical Engineering, Henan University of Technology, Zhengzhou 450001, ChinaHenan Gaoli Electric Power Technology Co., Ltd., Zhengzhou 450142, ChinaThe transmission line tower foundation is the key to determining the safe and stable operation of transmission lines under high current impact, and conductive concrete plays a vital role in the safe and stable operation of transmission lines. However, the mechanical and electrical properties of conductive concrete have a competitive relationship, and balancing these properties simultaneously is a current research problem. This paper proposes a new method for the preparation of novel multiphase electrically conductive concrete fiber composites and elucidates the mechanism of its electrical resistivity and compressive and flexural properties. The effects of concrete, graphite and stainless steel fibers as conductive phase materials on the changing law of physical properties of conductive concrete were compared, and the optimal ratio of the content of conductive phase materials was explored. A numerical calculation model of multi-field coupling of a new type of conductive concrete under high current impact was established. The results demonstrate that when the graphite content is 20% and the stainless steel fiber content is 2.75% ± 0.1%, the mechanical and electrical properties ratio is the best. The resistivity was reduced by 54%, the compressive strength was increased by 47.4%, and the flexural strength was increased by 151.4% compared to graphite conductive concrete. The new conductive concrete has promising frontiers of steady-state electricity and transient heat under 20 kA high current impingement, with its current density value dropping to 3280A/m3 and the maximum module temperature dropping to 2270 K. Relevant research provides a theoretical reference for guaranteeing the safe operation of power systems.http://dx.doi.org/10.1063/5.0246709 |
| spellingShingle | Shicheng Feng Xiaohui Zhang Zhilei Xu Keliang Dong Jinfeng Zheng Runlong Zhang Zhaolin Zhou Xuan Wang Preparation and mechanical-electrical characterization of new complex-phase conductive concrete AIP Advances |
| title | Preparation and mechanical-electrical characterization of new complex-phase conductive concrete |
| title_full | Preparation and mechanical-electrical characterization of new complex-phase conductive concrete |
| title_fullStr | Preparation and mechanical-electrical characterization of new complex-phase conductive concrete |
| title_full_unstemmed | Preparation and mechanical-electrical characterization of new complex-phase conductive concrete |
| title_short | Preparation and mechanical-electrical characterization of new complex-phase conductive concrete |
| title_sort | preparation and mechanical electrical characterization of new complex phase conductive concrete |
| url | http://dx.doi.org/10.1063/5.0246709 |
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