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

General data

Project
Stuttgart 21
PFA (section) 1.5, Lot 3
Long-distance route from Stuttgart Main Station to Bad Cannstatt

Client
DB Netz AG, Frankfurt/Main
represented by DB Projektbau Stuttgart - Ulm GmbH

Contractor
Wayss & Freytag Ingenieurbau AG
in a joint venture

Construction period
2012 – 2018

Construction costs
approx. € 285 million

Utilisation
Infrastructure
Type
Road tunnel, single- and double-track
Length
5,050 m single-track, 1,050 m double-track
Construction Method
Drill and blast method and tunnel excavator
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