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Inliner, Blindenmarkt (Austria)

Austria

This project was for a 1700 m long subsection of the 4.3 km long Hubertendorf – Blindenmarkt section of a major upgrade to Austria's main east-west railway line. This 1700 m subsection was built using the 'top-cover' underground construction method. Because the walls were braced against one another by the tunnel formwork traveller, there was no need to use any expendable anchoring components for casting the inliner (single-sided wall).

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Inliner for ÖBB (Austrian Railways) at Blindenmarkt
Inliner for ÖBB (Austrian Railways) at Blindenmarkt

Project data

Year of completion
2010
Project duration
12 Months
Country
Austria
Address
Blindenmarkt
Contractors
JV 'ARGE Betonbau ÖBB'
Structure
Tunnel
Type of structure
Top-cover method

Floor-slab

Construction method
Cover formwork
Cross-sectional shape
Rectangular
Clear width
12.34 m
Clear height
1.90 m
Formed length of tunnel
2100 m
Length of concreting section
26.20 m
Number of casting sections
80

Wall

Construction method
Inliner
Cross-sectional shape
Rectangular
Clear width
11.32 m
Clear height
7.90 m
Formed length of tunnel
1700 m
Length of concreting section
13.3 m
Number of casting sections
128