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MehrSpur Zürich–Winterthur: Railway Extension via Brüttener Tunnel

Brüttener Tunnel: 8 km for increased capacity between Winterthur and Zurich. ILF is managing and coordinating adjacent sections.
Transportation & Urban SpacesTunnels
Client:
SBB AG
Location:
Switzerland
Time frame:
2017 - 2036
        • Length: 8 km, with two single-track tunnels
        • Bifurcation structure, cross passages (every 500 m)
        • Excavation: EPB TBM (Ø 9.8 m) / cross passages and bifurcation caverns excavated using NATM
        • Lining system: double-shell lining with precast segments and cast in-situ concrete lining
        • Geology: rock and soil
        • Cut-and-cover sections, pre-cuts with excavation support
        • Integration during railway operation
        • Technical building
  • Engineering
  • Project Management

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