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Amras motorway enclosure

Austria

The 910 m long Amras motorway enclosure is being built with a twin-tube cross-section. The tunnel tubes are being cast in alternate sequential sections using two all-hydraulically controlled Doka tunnel formwork travellers.

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Project data

Year of completion
2011
Project duration
24 Months
Country
Austria
Address
Innsbruck Amras
Realization
Ing. Hans Bodner GmbH
Structure
Tunnel
Type of structure
Cut-and-cover tunnel

Wall

Construction method
Partially monolithic
Cross-sectional shape
Rectangular
Clear width
14.37 m
Clear height
6.07 m
Formed length of tunnel
910 m
Length of concreting section
12.50 m
Number of casting sections
130