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Tunnel Henndorf

Austria

For two tunnel tubes of the Henndorf bypass built using cut-and-cover construction, the contracting JV used a fully hydraulic Doka tunnel forming wagon that during the previous year was deployed for the "Erlachgalerie" project, the 1,100-m long avalanche protection structure.

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Project data

Project duration
24 Months
Country
Austria
Contractors
Wayss & Freytag, Habau, Held & Francke
Structure
Tunnel
Type of structure
Cut-and-cover tunnel

part-monolithic

Cross-sectional shape
Curved/round
Clear width
10,44 m
Clear height
7,11 m
Formed length of tunnel
732 m
Number of casting sections
61