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September 10, 2025BuildingsOpen Access

Numerical Simulation of Surrounding Rock Vibration and Damage Characteristics Induced by Blasting Construction in Bifurcated Small-Spacing Tunnels

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Authors

MSMingshe SunYWYantao WangGDGuangwei Dai

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Overview

Numerical simulation reveals damage characteristics in bifurcated tunnels, suggesting careful scheme selection.

Key Points

  • The closer the location to the bifurcation point, the greater the damage to the surrounding rock wall.
  • Damage is influenced by blasting loads and increases progressively with excavation and blasting.
  • The U-shaped damage distribution affects the trailing tunnel more severely at specified sections.
  • Selecting larger cross-sectional areas or shorter benches influences damage levels in the rock wall.

Cite This Study

Sun et al. (2025) studied this question.

synapsesocial.com/papers/68c1ad6354b1d3bfb60e5a67https://doi.org/10.3390/buildings15152737
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Also Consider

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

  1. 1Damage Characteristics of Surrounding Rock for Large Cross-section Tunnel Bench Blasting Excavation: A Case Study2023
  2. 2Safety assessment of tunnel infrastructure under upgrades of ventilation systems through side rock blasting2026
  3. 3Study on the influence of blasting on the structural stability of newly-built and adjacent tunnels2025
  4. 4Mechanical Characteristics of Surrounding Rock for Neighborhood Tunnels Using the Schwarz Alternating Method Model: A Case Study2024 · 1 citations
  5. 5Study on the evolution of surrounding rock stability during non-blasting construction of tunnels in weak rock mass2026