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Analysis of a Steel Core Rupture Fault in a Strain Wire Clamping Connection Pipe | IEEE Conference Publication | IEEE Xplore

Analysis of a Steel Core Rupture Fault in a Strain Wire Clamping Connection Pipe


Abstract:

During the crimping process of overhead wires and tension clamps, the operator failed to fully follow the DL/T 5285 standard for crimping, resulting in quality defects in...Show More

Abstract:

During the crimping process of overhead wires and tension clamps, the operator failed to fully follow the DL/T 5285 standard for crimping, resulting in quality defects in the crimping of tension clamps and wires. Under the long-term effects of factors such as icing, galloping, and subspan oscillation, the wire and tension clamp may experience disconnection accidents. In view of a steel core fracture accident at the tension clamp of 110 kV line, this paper uses macro inspection, scanning electron microscope, mechanical property test and anatomical analysis and other analysis methods. At the same time, it compares the impact of different crimping processes on crimping quality, and explains its Failure cause and mechanism. The results indicate that the non-standard construction crimping process and the failure to crimp the concave and convex grooves of the steel anchor are the main reasons for this fault. And corresponding suggestions and measures were proposed.
Date of Conference: 28-30 November 2023
Date Added to IEEE Xplore: 25 January 2024
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ISSN Information:

Conference Location: Chongqing, China

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References

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