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Founded in 1987， Bimonthly
Supervisor：Jiangxi University Of Science And Technology
Sponsored by：Jiangxi University Of Science And Technology
Jiangxi Nonferrous Metals Society
ISSN：1674-9669
CN：36-1311/TF
CODEN YJKYA9
Volume 15 Issue 5
Oct.  2024
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HUANG Yao, SU Zhigang, ZHU Binrong, CHEN Yunxiang, WAN Tao, TUO Zuxiong. Influence of corrosion on bearing capacity characteristics of overhead transmission line tower[J]. Nonferrous Metals Science and Engineering, 2024, 15(5): 723-731. DOI: 10.13264/j.cnki.ysjskx.2024.05.012
Citation: HUANG Yao, SU Zhigang, ZHU Binrong, CHEN Yunxiang, WAN Tao, TUO Zuxiong. Influence of corrosion on bearing capacity characteristics of overhead transmission line tower[J]. Nonferrous Metals Science and Engineering, 2024, 15(5): 723-731. DOI: 10.13264/j.cnki.ysjskx.2024.05.012
shu

Influence of corrosion on bearing capacity characteristics of overhead transmission line tower

  • 1.

    China Electric Power Research Institute, Beijing100192, China

  • 2.

    Electric Power Research Institute of State Grid Fujian Electric Power Company Limited, Fuzhou350007, China

  • 3.

    State Grid Hubei Electric Power Enshi Power Supply Company, Enshi445000, Hubei,China

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  • Received Date: April 26, 2023
  • Revised Date: June 18, 2023
    Graphical Abstract
    • Abstract

  • To effectively evaluate the impact of corrosion on the bearing capacity characteristics of long-term service towers, scanning electron microscopy, tensile testing, axial compression bearing capacity testing, and simulation methods were used to study the effects of different degrees of corrosion on the corrosion rate, yield strength, tensile strength, elongation after fracture, elastic modulus, and bearing capacity of tower components. The research results indicate that the yield strength, tensile strength, and elongation after fracture of tower components will decrease nonlinearly with the increasing corrosion degree, while the elastic modulus is basically not affected by corrosion. The greater the cross-sectional loss rate, the lower the bearing capacity of the component. The effect of corrosion at the middle position is greater than that at the edge position.

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