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City Tunnel Leipzig, sections: 38-44

Germany

The City Tunnel project in Leipzig is one of the biggest inner-city infrastructure projects anywhere in Germany. It is part of a large-scale rearrangement of the entire railway system in the Leipzig metropolitan area. Blocks: 38 – 44: Owing to the varying cross-sectional shape (with a broadening zone from 18.19 m to 18.73 m) the solution planned here was a light, adaptable tunnel formwork traveller that was designed to separate in the middle.

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Project data

Project duration
3 Months
Country
Germany
Contractors
Leipzig City Tunnel consortium
Structure
Tunnel
Type of structure
Cut-and-cover tunnel

Segmented (non-monolithic) casting

Cross-sectional shape
Curved/round
Clear width
18.19 - 18.73 m
Clear height
8.75 m
Formed length of tunnel
70 m
Length of concreting section
8.35 - 12.00 m
Number of casting sections
7