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Pörzberg Tunnel (Schaala bypass)

Germany

The Pörzberg Tunnel was built to ease congestion on a road which used to feed traffic to the A71 autobahn through the town of Schaala. Doka supplied 6 tunnel formwork travellers as a cost-saving and efficient way of casting new, replacement intermediate ceiling slabs. It was possible to cast one intermediate ceiling every day, while still complying with the stipulated stripping times.

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Pörzberg Tunnel (Schaala bypass)
Pörzberg Tunnel (Schaala bypass)
Pörzberg Tunnel (Schaala bypass)
Pörzberg Tunnel (Schaala bypass)
Pörzberg Tunnel (Schaala bypass)

Project data

Year of completion
2010
Project duration
5 Months
Country
Germany
Town or city
Schaala
Contractors
Porr Technobau und Umwelt AG GmbH, Munich
Structure
Tunnel
Type of structure
Mining-type tunnel

Floor-slab

Clear width
10.40 m
Clear height
7.05 m
Formed length of tunnel
900 m
Number of casting sections
90