Technical specifications

Scope of work
Section 3.1: Tunnelling under the southern part of Zurich Main Station and construction of a shaft in front of the southern part,

  • 220 running metres of longitudinal tunnels (excavated area: approx. 36 m²)
  • 390 running metres of transverse tunnels (excavated area: 14 m² - 17 m²) as auxiliary tunnels for construction work using the topdown method under the southern part

Section 3.2: Double-track railway tunnel (main tunnel) and parallel escape and rescue tunnel, total length of main

  • Tunnel: 4,537 m
    of which 4,382 m are shield-driven
    internal diameter: 9.74 m
  • Length of escape and rescue tunnel: 4,460 m
    internal diameter: 4.35 m
  • 8 cross-passages
  • 2 emergency exits
  • 105 m of conventional tunnelling between the TBM launching chamber and the cut and cover tunnel in Oerlikon
  • Brunnenhof start shaft
    (diameter: approx. 23 m, depth approx. 37 m)
  • 8 recesses for technical equipment inside the tunnel

Construction method
Section 3.1: Auxiliary tunnels: tunnel excavator with pipe and spile canopy support systems

Section 3.2: Main tunnel: TBM tunnelling using a convertible TBM

  • operated both in hard rock mode (4,105 m)
    and in slurry mode (277 m)
  • Shield diameter: 11,23 m;
  • Double lining
    segmental lining with in-situ concrete inner lining with external water proofing
  • Escape and rescue tunnel: 4,390 m
    constructed by a Gripper-TBM and 70 m using a road header
    TBM diameter: 4.75 m
    lining: shotcrete with wire mesh reinforcement and anchors

Geology
Section 3.1: Ground moraine (glacial gravels)

Section 3.2: Rock (molasse) and loose rock (gravel, lake sediments)

General data

Project
Weinberg Tunnel, Sections 3.1 and 3.2, Zurich,
as part of the Zurich Main Station-Altstetten-Oerlikon Diameter Line

Client
Schweizerische Bundesbahnen SBB
[Swiss Federal Railways]
represented by Infrastruktur-Projekt Management Durchmesserlinie

Contractor
Wayss & Freytag Ingenieurbau AG
in a joint venture

Construction period
September 2007 to May 2014

Construction costs
€ 246 million

Utilisation
Infrastructure
Type
Railway tunnel, double-track
Length
4,537 m
Construction Method
TBM tunneling using a convertible TBM

Related Projects
Limmern Access Tunnel I
Limmern Access Tunnel I
Switzerland

1,700 m above sea level: In the Linthal Project 2015 the inclined tunnel with an incline of 24 % compensates an altitude difference of 900 m in the high mountains of Switzerland.

Read more
Sluiskil Channel Crossing
Sluiskil Channel Crossing
Netherlands

Double-tube road tunnel under the Gent-Terneuzen Canal provides a new connection between the important ports of the Netherlands in the north and those of Flanders in the south.

Read more
Emscher Sewerage Tunnel
Emscher Sewerage Tunnel
Germany

47 km sewerage tunnel across the Ruhr area

Read more

Cookies Policy

Our website uses cookies to improve your experience. Certain cookies can contain personal information. We deactivate Cookies, unless you allow Cooky usage.
Additional information

Allow Cookies
Do not allow cookies
Cookies Settings