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August 14, 2026Structure and Infrastructure Engineering

Study on system transformation method of self-anchored suspension bridges using the cable-stayed-to-suspension approach

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Authors

QWQian WuYSYuan SunXWXiaoming Wang

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Overview

Structural simulation analysis demonstrates optimized system transformation workflows in self-anchored suspension bridges, highlighting reduced collision risks and minimized traffic disruption.

Key Points

  • To establish a comprehensive construction analysis framework evaluating system transformation parameters and sequencing for self-anchored suspension bridges built via the cable-stayed-to-suspension method.
  • Formulated an analytical framework evaluating safety, economic cost, operational ease, and construction duration during bridge system transformation.
  • Conducted construction process simulation analysis across three transformation schemes on an in-progress bridge case, varying target girder profiles and cable tensioning/removal sequences.
  • Targeting a temporary stayed-cable girder profile without the second-stage permanent load minimizes required hanger extension rod length and reduces hanger–duct collision risks.
  • Executing hanger tensioning prior to stay-cable removal prevents operational overlap and simplifies transformation procedures compared to concurrent or reverse workflows.

Cite This Study

Wu et al. (2026) studied this question.

synapsesocial.com/papers/6a7ec6eab70b84ec8b912f69https://doi.org/10.1080/15732479.2026.2715478
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