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Research progress on influence of mechanical stress on cable performance during laying process
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Shiwei JIA1, Junshu LI2, Ding SUN2, Quanlai ZHAO1, Lei ZHANG1, Huaqiang LI2, *
Insulating Materials | 2026, 59(3) : 99 - 109
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Insulating Materials | 2026, 59(3): 99-109
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Research progress on influence of mechanical stress on cable performance during laying process
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Shiwei JIA1, Junshu LI2, Ding SUN2, Quanlai ZHAO1, Lei ZHANG1, Huaqiang LI2, *
Affiliations
  • 1State Grid Beijing Electric Power Company, Beijing 102209, China
  • 2State Key Laboratory of Electrical Insulation and Power Equipment, Xi′an Jiaotong University, Xi′an 710049, China
Published: 2026-03-20 doi: 10.16790/j.cnki.1009-9239.im.2026.03.011
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During the laying process, excessive lateral pressure and traction would cause mechanical damage to cables, leading to severe failures such as sheath grounding, overheating, insulation breakdown, and combustion during operation. This paper summarized the research progress on traction and lateral pressure of land cables, including their generation processes and effects on cable insulation structures and materials, calculation methods, monitoring, and online control techniques of traction and lateral pressure. The influence of mechanical stress on microscopic characteristics such as crystal size, crystallinity, and trap number and depth in cable insulation materials was discussed in detail, and the failure mechanisms of cable materials under mechanical stress were analyzed. Regarding the calculation methods for mechanical stress, the shortcomings of current approaches were summarized, and future research directions for cable mechanical stress were outlined.

cable laying  /  mechanical stress  /  mechanical damage  /  insulation properties  /  calculation method  /  monitoring alarm  /  online control
Shiwei JIA, Junshu LI, Ding SUN, Quanlai ZHAO, Lei ZHANG, Huaqiang LI. Research progress on influence of mechanical stress on cable performance during laying process[J]. Insulating Materials, 2026 , 59 (3) : 99 -109 . DOI: 10.16790/j.cnki.1009-9239.im.2026.03.011
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Year 2026 volume 59 Issue 3
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doi: 10.16790/j.cnki.1009-9239.im.2026.03.011
  • Receive Date：2025-05-27
  • Online Date：2026-09-10
  • Published：2026-03-20
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  • Received：2025-05-27
  • Revised：2025-07-25
Affiliations
    1State Grid Beijing Electric Power Company, Beijing 102209, China
    2State Key Laboratory of Electrical Insulation and Power Equipment, Xi′an Jiaotong University, Xi′an 710049, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2026.03.011
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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