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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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Project data

Year of completion
2007
Project duration
9 Months
Country
Germany
Town or city
Runkel
Realization
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