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This study focuses on the practical application of submerged floating tunnels (SFTs), emphasizing the need to effectively resist environmental loads while maintaining serviceability and safety. A comprehensive analysis involving various boundary conditions was conducted to understand the behavior of SFTs. The structural responses of SFTs were analyzed through hydrodynamics-based numerical methods, specifically using ABAQUS-AQUA. The study investigated the dynamic motions and moment distributions under different mooring types and boundary conditions. It was found that double-inclined mooring (Type3) displayed the most stable displacement and the least moment in the free condition, providing valuable insights for the fundamental design of SFTs.

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Effect of End Boundary Conditions on the Structural Response of the Submerged Floating Tunnel

  • 会议论文

  • 发表日期：

    2025年

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  • Kiwon Jeong,
  • Hyunwoo Shin,
  • Jinwoo Kim,
  • Seungjun Kim

摘要

This study focuses on the practical application of submerged floating tunnels (SFTs), emphasizing the need to effectively resist environmental loads while maintaining serviceability and safety. A comprehensive analysis involving various boundary conditions was conducted to understand the behavior of SFTs. The structural responses of SFTs were analyzed through hydrodynamics-based numerical methods, specifically using ABAQUS-AQUA. The study investigated the dynamic motions and moment distributions under different mooring types and boundary conditions. It was found that double-inclined mooring (Type3) displayed the most stable displacement and the least moment in the free condition, providing valuable insights for the fundamental design of SFTs.