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Article: Breakthrough in Gotthard base tunnel.(News)
- Article from:
- International Railway Journal
- Article date:
- July 1, 2009
CopyrightCOPYRIGHT 2009 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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CONSTRUCTION of Switzerland's 57km Gotthard Base Tunnel reached a milestone on June 16 with the breakthrough of tunnel boring machines on the Erstfeld--Amsteg section.
Gabi 1, one of the two tunnel boring machines at work on this section, cut through 7.2km of rock ...