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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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Amras motorway enclosure
Amras motorway enclosure
Amras motorway enclosure
Amras motorway enclosure
Amras motorway enclosure
Amras motorway enclosure
Amras motorway enclosure

Project data

Year of completion
2011
Project duration
24 Months
Country
Austria
Address
Innsbruck Amras
Contractors
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