Proven expertise.

  • Reference-Browser

Construction lot R6, Zurich Airport

  • Tunnel heading with earth pressure shield, Lovat TBM
  • Steel concrete pipe diameters 2160/2680 mm, length 4.5 m
  • Ground conditioning

The tunnel heading is through ground water in two different geological layers:

  • Lake sediment (comprising sand and silt)
  • Near-glacial lake sediment (clayey/silt gravel with sand)

Map

Specific figures

Contract value

CHF 4.5 million

Construction period

2000 - 2001

Length

480 m

Total excavated surface

5.81 m2