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August 2, 2026Applied SciencesOpen Access

Analytical Method for Surrounding ROCK Pressure of Shallow-Buried Double-Arch Tunnels Under Variable-Slope Ground Surfaces

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Authors

JPJie PengAmbrose UniversityHFHelin FuCentral South UniversityWLWeisheng LiChongqing University of Posts and Telecommunications

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Implication

Randomized trial evaluates surrounding rock pressure in shallow-buried tunnels, suggesting a new calculation method.

Key Points

  • This research aims to propose a calculation method for surrounding rock pressure in shallow-buried variable-slope arch tunnels.
  • Developed a calculation model based on limit-equilibrium theory for variable-slope arch tunnels.
  • Analyzed geometric relationships between surrounding rock slopes and calculated the weight expression.
  • Compared proposed method with measured data from Laimipo Tunnel to validate effectiveness.
  • The proposed calculation method adapts effectively to various slope forms and reduces errors from traditional models.
  • Validation indicates a maximum error of 17% when compared to measured surrounding rock pressure.

Cite This Study

Peng et al. (2026) studied this question.

synapsesocial.com/papers/6a6eeaaf1b0468a7eeab3054https://doi.org/10.3390/app16157615
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