Gothard Railway Base Tunnel (Switzerland) - Fire Simulations with Computational Fluid Dynamic (CFD)

Gothard Railway Base Tunnel (Switzerland) - Fire Simulations with Computational Fluid Dynamic (CFD)

Client / Owner

AlpTransit CFF/BLS

Execution

1998 - 1999

Collaboration

In joint venture, BG leader.

Project description

Two-tubes railway tunnel:

  • Length: 56 km
  • Two ventilated underground rescue stations
  • Maximal speed of the trains: 230 km/h

Services

CFD fire simulation of the rescue station:

  • Calculation of the fresh air bubbles in front of the escape doors
  • Calculation of the smoke stratification on the platform
  • Analysis of the smoke extraction by a mechanical ventilation

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