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Flachau noise-abatement gallery

Austria

Noise-abatement galleries follow on from both ends of the Flachau motorway enclosure on the southbound carriageway of Austria's A 10. The northern gallery is 204 m long and the southern one 156 m; unlike the enclosure tunnel, the galleries have not been covered with spoil. Both the galleries were built so that they are closed on the side facing the village, and open on the uphill side. The contractors chose to use a Doka SL-1 tunnel formwork traveller, thanks to its high proportion of rentable components.

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Project data

Year of completion
2009
Project duration
3 Months
Country
Austria
Contractors
Steiner Bau GesmbH
Structure
Tunnel
Type of structure
Cut-and-cover tunnel

Partially monolithic

Construction method
Partially monolithic
Cross-sectional shape
Rectangular
Clear width
9.85 m
Clear height
5.56 m
Formed length of tunnel
360 m
Length of concreting section
24 m
Number of casting sections
16