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Major rehabilitation of Ennerich Tunnel

Germany

Separable tunnel formwork traveller on railway tracks, with no disruption to rail services. Contractors Franz Kassecker commissioned Doka to supply a formwork construction that could be divided into two separate rail-travellable tunnel-formwork units.

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Major rehabilitation of Ennerich Tunnel
Major rehabilitation of Ennerich Tunnel
Major rehabilitation of Ennerich Tunnel
Major rehabilitation of Ennerich Tunnel
Major rehabilitation of Ennerich Tunnel
Major rehabilitation of Ennerich Tunnel
Major rehabilitation of Ennerich Tunnel

Project data

Year of completion
2007
Project duration
9 Months
Country
Germany
Town or city
Runkel
Contractors
Franz Kassecker GmbH
Structure
Tunnel
Type of structure
Mining-type tunnel

Floor-slab

Construction method
Curved or polygonal
Cross-sectional shape
Curved/round
Clear width
8.08 m
Clear height
9.56 m
Formed length of tunnel
494 m
Length of concreting section
9.70 m
Number of casting sections
9