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This chapter mainly presents full-scale tests conducted under overload conditions for segmental joints with continuous and staggered assembly in shield tunnels, as well as full-scale tests of Double-O-Tube and quasi-rectangular lining structures. Full-scale tests were also performed under reinforcement conditions using internal steel rings and composite materials. The experimental phenomena and monitoring data are analyzed to investigate the structural performance characteristics of the segments, providing valuable reference for engineering design and routine maintenance.

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Mechanism Analysis and Experimental Study on Structural Failure of Shield Tunnels

  • 章节

  • 发表日期：

    2026年

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  • Rulu Wang,
  • Xian Liu,
  • Jiaping Li,
  • Jingya Yan

摘要

This chapter mainly presents full-scale tests conducted under overload conditions for segmental joints with continuous and staggered assembly in shield tunnels, as well as full-scale tests of Double-O-Tube and quasi-rectangular lining structures. Full-scale tests were also performed under reinforcement conditions using internal steel rings and composite materials. The experimental phenomena and monitoring data are analyzed to investigate the structural performance characteristics of the segments, providing valuable reference for engineering design and routine maintenance.