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M4 metro line - Keresztalagút

Hungary

As part of the work on the new M4 underground railway line being built in Budapest, Magyar Doka supplied the entire formwork solution for a 160 m long contract section incorporating two broadening zones and a crossing tunnel. Before commencement, Doka worked with the construction firm and the structural planner to simplify the structure and the workflow.

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M4 Metro Keresztalagút
M4 Metro Keresztalagút
M4 Metro Keresztalagút
M4 Metro Keresztalagút
M4 Metro Keresztalagút
M4 Metro Keresztalagút

Project data

Year of completion
2010
Project duration
6 Months
Country
Hungary
Address
Budapest
Town or city
Budapest
Contractors
Bamco KKT
Structure
Tunnel
Type of structure
Mining-type tunnel

Wall

Construction method
Segmented (non-monolithic)
Cross-sectional shape
Curved/round
Clear width
7.97 m
Clear height
6.05 m
Formed length of tunnel
115 m
Type of carriage/traveller or formwork
Small formwork traveller
Length of concreting section
8.42 m
Number of casting sections
14

Wall

Construction method
Segmented (non-monolithic)
Cross-sectional shape
Curved/round
Clear width
12.15 m
Clear height
6.97 m
Formed length of tunnel
47 m
Type of carriage/traveller or formwork
Large formwork traveller
Length of concreting section
7.90 m
Number of casting sections
6