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International

Langenthal Tunnel

Switzerland

The Langenthal Tunnel is part of the 'Rail 2000' project, and 46 sections have to be cast in rectangular shape with another 42 round-section castings in between. This results from the particular pattern of road crossings and cover depths. "That will save a great deal of money", states Director Fritz Hasler to the proposal by Doka Switzerland to handle the differing cross-sections with a single formworking set.

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Project data

Year of completion
2001
Country
Switzerland
Realization
ARGE (JV) Tunnel Langenthal (Losinger, Kästli - Weiss + Appetito - Witschi - Bösinger)
Structure
Tunnel
Type of structure
Cut-and-cover tunnel
Cross-sectional shape
Rectangular