Tunnels

Donaldson Associates is recognised as one of the leading tunnel design practices with a wealth of experience in the use of underground space

Project Type

  • Pipe jacking
  • Slurry TBM
  • Earth pressure balance
  • Micro tunnelling
  • Semi mechanised
  • Sprayed concrete linings
  • Drill and blast

Key Skills

  • Tunnel linings
  • Selection of method
  • Shaft design
  • Ground investigation
  • Rock mass characterisation