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Stuttgart 21, Section 1.5, Lot 3, Bad Cannstatt Tunnel

The redesign of the Stuttgart railway junction in the valley basin, better known as the Stuttgart 21 railway project, is part of the approx. 175 km-long new Stuttgart–Ulm–Augsburg railway line.
Transportation & Urban SpacesRailwaysTunnels
Client:
HOCHTIEF Infrastructure
Location:
Germany
Time frame:
2012-ongoing
  • Single- and twin-tube railway tunnels
  • Length: 7.2 km
  • Excavation: NATM (49–90 m²)
  • 25 m deep shaft
  • 7 connecting tunnels
  • Compaction grouting for underpassing of
    office buildings and an old railway viaduct
  • Several tunnel areas are constructed with staggered
    cross sections for bifurcations (142 – 282 m²)
  • Engineering
  • Project Management

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    Stuttgart 21, Sections 1.2 and 1.6A