Technical specifications

Project description

• 5,050 m single-track
  and 1,050 m double-track long-distance railway tunnel
  A = 70 – 220 m²
• 345 m single-track and 575m double-track suburban railway tunnel
  A = 50 – 100 m²
• 790 m rescue tunnel
  A = 20 – 40 m²
• Approx. 60m deep smoke extraction structure
  1 rescue shaft depth = 20m

Construction methods

• Drill and blast method and tunnel excavator
• Reinforced inner lining partly with foil sealing Bored pile lining
• Shotcrete shafts
• Elevation grouting

Geology
Leached and non-leached gypsum Keuper, partly containing anhydrite