Canal tunnel

As a ship tunnel (also shipping tunnel or channel tunnel ) the navigable with ships passing under a mountain massif is drawn. Depending on the depth of the ships which are to travel the tunnel in the future, the tunnel floor is correspondingly low applied below the water surface. Ship tunnels are generally built to avoid dangerous journeys or to shorten long journeys, a sewer construction could be realized due to the differences in height with an uneconomically large number of locks, however.

On the Norwegian peninsula Stadlandet the bore of a ship tunnel is planned by the Kjerringa massif in order to continue the extremely restless before Stadlandet North Sea no longer navigate with smaller ships have.

• Tunnel
• Underground construction
• Transport structure (navigation )
• Channel system and sewer