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  • International Database for Civil and Structural Engineering

Tunnels and Underground Structures

Most Important Structures in this Category

  • photo entry with pictures
  •  new entry (30 days)
  •  updated entry (14 days)
# Name Country length
1 Päijänne Water Tunnel Finland 120000 m
2 Orange Fish Tunnel South Africa 82800 m
3 Seikan Tunnel Japan 53850 m
4 Channel Tunnel 3 France - United Kingdom 50450 m
5 Hálslón Headrace Tunnel Iceland 39700 m
6 Lötschberg Base Tunnel Switzerland 34576.6016 m
7 Guadarrama Tunnel Spain 28419 m
8 Taihang Tunnel China 27848 m
9 Large Hadron Collider (LHC) Switzerland - France 27000 m
10 Hakkōda Tunnel Japan 26445 m

Note: there are too many entries in this category and all its subcategories combined. To obtain a list of structures please go through one of the subcategories.

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Germany (2013), added on 25/06/2014

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Canada (1976), modified on 23/07/2014

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