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March 10, 2026Open Access

Analysis of Mechanical Properties of Steel Tube Crossing Frame for Power Transmission Project

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Authors

SWShuang WangZGZhenghai GuoGZGuanmin Zhu

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Overview

Analyzes structural stability in steel tubular crossing frames, indicating critical design factors for transmission projects.

Key Points

  • The aim is to evaluate the mechanical properties and structural stability of steel tubular crossing frames used in power transmission.
  • Developed a finite element model considering semi-rigid joint characteristics.
  • Analyzed the influence of frame parameters on structural stability and effective length factor.
  • Identified factors affecting the effective length using orthogonal testing and multiple linear regression.
  • Obtained a predictive formula through curve fitting for structural assessment.
  • Step distance and number of steps of horizontal members significantly influence bearing capacity and effective length factor.
  • A weak influence from the height of the bottom sweeping member was noted at certain ranges.
  • Peripheral cross bracing enhances bearing capacity by at least 20%.
  • The proposed formula was validated against conventional specification and finite element analysis results.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69af955970916d39fea4cc29https://doi.org/10.3390/met16030299
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