B433, Krohnstiegtunnel
Year of completion
1996
Type of intervention
New construction
Contracting authority
Freie und Hansestadt Hamburg
Description
New construction of the Krohnsiegtunnel Süd as waterproof construction, Enlargement of the existing troughs including partial demolition of the walls, Pressurised resistant connections, Waterproof concrete construction with a length of 10.50 m, Jointless concreting of the complete section, Completion in a dry construction site without lowering of the ground water
Location
Hamburg
Type of structure
Road tunnel
Construction method
Sealing slab and slurry wall construction method
Total length
755,00 m
Construction width
12,50 m
Construction material
Masonry, reinforced concrete
Services Grassl
Preliminary design, detailed design, technical examination, consultant services for the client