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May 8, 2026Canadian Geotechnical Journal

Safety assessment of tunnel infrastructure under upgrades of ventilation systems through side rock blasting

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Authors

HLHan LinYXYazhou (Tim) Xie

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Overview

Randomized trial examines tunnel safety under side rock blasting, indicating critical factors for safe ventilation upgrades.

Key Points

  • The aim is to assess tunnel safety during ventilation system upgrades involving side rock blasting.
  • Developed a three-dimensional numerical framework for tunnel safety assessment.
  • Used high-fidelity nonlinear material models and a coupled Eulerian–Lagrangian formulation.
  • Validated the numerical approach against field test data.
  • Tunnel damage significantly decreases with increasing stand-off distance and rock strength.
  • Close-range blasting concentrates tensile damage in critical regions; negligible damage occurs at larger stand-off distances.
  • Different blasting configurations exhibit distinct response mechanisms affecting tunnel integrity.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/69fd7f3abfa21ec5bbf07ae7https://doi.org/10.1139/cgj-2025-0637
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Dynamic Response Analysis of Mountain Tunnel Under Blasting Vibration2025
  2. 2Numerical Simulation of Surrounding Rock Vibration and Damage Characteristics Induced by Blasting Construction in Bifurcated Small-Spacing Tunnels2025
  3. 3Analytical model for tunnel face stability considering zonal weakening effect of rock mass parameters2026 · 1 citations
  4. 4Study on the influence of blasting on the structural stability of newly-built and adjacent tunnels2025
  5. 5Time-dependent behavior and damage evolution of brittle rock around deep underground excavations subjected to dynamic disturbance2026