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Article: Ventilating the Gotthard: a Swiss consortium is using simulations to design a reliable and efficient ventilation system for the Gotthard Base Tunnel to ensure that passengers escape to safety in an emergency.(Tunnelling)
- Article from:
- International Railway Journal
- Article date:
- December 1, 2006
- Author:
CopyrightCOPYRIGHT 2006 Simmons-Boardman Publishing Corporation. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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WHEN Switzerland's 57km Gotthard Base Tunnel (GBT) opens in 2016 it will become the longest railway tunnel in the world. GBT will provide a high-capacity high-speed north-south link beneath the Alps, and will be used by up to 150 trains/ day/direction travelling at up to 250km/h.
GBT consists of two parallel single-bore tunnels linked by four rail crossovers and 178 cross-passages. There are two multifunction stations (MFS) in Sedrun and Faido (see diagram). These both have galleries and shafts for supply and exhaust air, caverns with technical rooms, two emergency stations, and two ventilation stations. AlpTransit Gotthard awarded a contract for the detailed ...