2011•Railway gazette internationalRequires access

Speed and capacity define tunnel fit-out

Oliver Bratschi

Abstract

Focus is given to fitting-out the world's longest rail tunnel, the Gotthard Base Tunnel. In a reflection of the complex and demanding requirements of this fit-out, more than eight years will have elapsed between the signing of the first railway equipment contract and the day when the first commercial train runs through. Five complete systems are required in order to turn the Gotthard Base Tunnel into a high-capacity railway: track; power supply for the tunnel's fixed equipment; traction power supply; telecommunications; signalling and train control.

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Key concepts: Track (disk drive), Railway tunnel, Engineering, Transport engineering, Traction power network, Base (topology), Automotive engineering, Traction (geology)