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Bodio section, Gotthard Base Tunnel

Switzerland

Contract section 505 of the Base Tunnel at Bodio starts as a twin-tube tunnel, dividing after 120 metres into 2 separate tubes each 290 m in length.

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Project data

Project duration
22 Months
Country
Switzerland
Contractors
Mancini & Marti, Bellinzona
Structure
Tunnel
Type of structure
Cut-and-cover tunnel

Partially monolithic

Construction method
Partially monolithic
Cross-sectional shape
Curved/round
Clear width
7.40 m
Clear height
7.40 m
Formed length of tunnel
800 m
Number of casting sections
64