Philipp Holzmann AG
81.78m
81.78m
10m
Project construction
1978-04-30
1
Three tubes
5.30m
20.80m
Tunnel element was built in a purpose-built casting basin
located next to canal.
located next to canal.
Permanent vertical structures at ends of tunnel element provided stability during sinking
which took place without sinking pontoons.
Landing on temporary foundations.
which took place without sinking pontoons.
Landing on temporary foundations.
No joints, monolithic structure.
Cement grout.