Structural analysis for shallow tunnels in soft soils

N. Vu Minh*, Wout Broere, Johan W. Bosch

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

32 Citations (Scopus)
1953 Downloads (Pure)


Generally, studies on structural design for bored tunnels focus on moderate to deep tunnels (cover-to-diameter ratio C/D ≥ 2). Such tunnel design methods cannot be used for shallow-situated bored tunnels because the influence of buoyancy is discounted, and actual loads on the tunnel lining are not taken into account properly. This paper proposes a new model that has more accurate loads on the tunnel lining combined with finite-element analysis for shallow tunnels. Internal forces and deformations of various shallow bored tunnels are investigated. The relationship between the optimal thickness-to-diameter ratio d/D of the tunnel cross section and the cover-to-diameter ratio C/D is also studied.

Original languageEnglish
Article number04017038
Number of pages12
JournalInternational Journal of Geomechanics
Issue number8
Publication statusPublished - 1 Aug 2017


  • Cover-to-diameter ratio
  • Shallow bored tunnel
  • Soft soil
  • Tunnel lining


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