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Large-scale surface loading/unloading significantly influence both the stable strata and the tunnels in equilibrium. Changes in the loads above the tunnel lead to changes in the stress and displacement fields around the tunnel, exacerbating existing structural diseases or causing new ones, which will threaten the structural safety of tunnels in severe cases.

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Conclusions and Mitigation Measures

  • 章节

  • 发表日期：

    2025年

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  • Rulu Wang,
  • Fayun Liang,
  • Jiaping Li,
  • Zhao Yuan

摘要

Large-scale surface loading/unloading significantly influence both the stable strata and the tunnels in equilibrium. Changes in the loads above the tunnel lead to changes in the stress and displacement fields around the tunnel, exacerbating existing structural diseases or causing new ones, which will threaten the structural safety of tunnels in severe cases.