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Study on anti-slope deformation ability of transmission tower-line system considering SSI
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Cheng LI1, Shuping CHEN1, Yanhai WANG2, Xiaolei NIU1, Feng WU1, Dongyang ZHOU2
Chinese Journal of Construction Machinery | 2025, 23(2) : 216 - 221
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Chinese Journal of Construction Machinery | 2025, 23(2): 216-221
• Basic Theory and Key Technique •
Study on anti-slope deformation ability of transmission tower-line system considering SSI
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Cheng LI1, Shuping CHEN1, Yanhai WANG2, Xiaolei NIU1, Feng WU1, Dongyang ZHOU2
Affiliations
  • 1. China Southern Power Grid Extra High Voltage Power Transmission Company Wuzhou Branch, Wuzhou 543002, Guangxi, China
  • 2. Hubei Provincial Engineering Technology Research Center for Power Transmission Line, China Three Gorges University, Yichang 443002, Hubei, China
doi: 10.15999/j.cnki.311926.2025.02.015
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In order to explore the safety threat of slope deformation to transmission lines, taking the transmission tower-line system as the research object, the overall finite element model of the tower-line system considering soil-structure interaction (SSI) effect is established, and the rationality of the numerical analysis model is verified based on the field measured data. On this basis, considering the relationship between the slope deformation area and the spatial position of the tower and the influence of the slope deformation angle, the response law of the stress characteristics of the tower-line system to the slope deformation is explored. The results show that when the towers are located above, below and inside the slope deformation body respectively, the failure mode and deformation resistance of the upper tower line system are significantly different. And with the increase of slope deformation angle, compared with horizontal slope deformation, the anti-deformation ability of tower-line system will decrease by 25%-50%. When the tower is located outside the slope deformation body, the anti-deformation ability of tower-line system will decrease most seriously, with the decrease range of 33%-50%.

tower-line system  /  soil-structure interaction (SSI)  /  slope deformation  /  stress characteristic
Cheng LI, Shuping CHEN, Yanhai WANG, Xiaolei NIU, Feng WU, Dongyang ZHOU. Study on anti-slope deformation ability of transmission tower-line system considering SSI[J]. Chinese Journal of Construction Machinery, 2025 , 23 (2) : 216 -221 . DOI: 10.15999/j.cnki.311926.2025.02.015
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doi: 10.15999/j.cnki.311926.2025.02.015
  • Online Date：2025-12-16
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Affiliations
    1. China Southern Power Grid Extra High Voltage Power Transmission Company Wuzhou Branch, Wuzhou 543002, Guangxi, China
    2. Hubei Provincial Engineering Technology Research Center for Power Transmission Line, China Three Gorges University, Yichang 443002, Hubei, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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