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  1. ArchDaily
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  3. Snøhetta Unveils Plans for World's First Ship Tunnel in Norway

Snøhetta Unveils Plans for World's First Ship Tunnel in Norway

Snøhetta Unveils Plans for World's First Ship Tunnel in Norway
Snøhetta Unveils Plans for World's First Ship Tunnel in Norway, Examinations of the bedrock in Kjødepollen shows that there is more sediment than first expected. That means that the portal must be built on a larger area than previously planned. For practical and safety reasons, the entrance is proposed built as terraces. The terrace surfaces can be established by known principles for withdrawal of loads, with a combination of construction methods such as wire-cutting and blasting.. Image © Norwegian Coastal Administration/Snøhetta
Examinations of the bedrock in Kjødepollen shows that there is more sediment than first expected. That means that the portal must be built on a larger area than previously planned. For practical and safety reasons, the entrance is proposed built as terraces. The terrace surfaces can be established by known principles for withdrawal of loads, with a combination of construction methods such as wire-cutting and blasting.. Image © Norwegian Coastal Administration/Snøhetta

The Norwegian Coastal Administration has revealed visualizations of the world’s first full-scale ship tunnel that would link two fjords on either side of the Stad Peninsula in Norway, allowing ships to bypass the “most exposed, most dangerous” waters on the Norwegian coast. With the project now in the feasibility stage, architecture studio Snøhetta has produced a series of rendered design concepts to help the project gain traction within the Norwegian government.

Above the tunnel entrance at the Moldefjorden side, it is proposed to establish a new overhead bridge. The fly bridge cross the portal will also be available to the public. From the sidewalk the public can watch the ships entering and coming out of the ship tunnel.. Image © Norwegian Coastal Administration/Snøhetta Moldefjorden: Bridge, with access for the public. Image © Norwegian Coastal Administration/Snøhetta Given the scope, a multi-functional facilitation is an important part of the planning. There is a need for a longitudinal guiding structure through the tunnel and on both sides of the tunnel. These will protect the vessel against impact, but can also be used as escape routes during evacuation, and access road for inspection and maintenance of the facility.. Image © Norwegian Coastal Administration/Snøhetta The illustration shows a cross section of the ship tunnel as planned with the relevant measurements.. Image © Norwegian Coastal Administration/Appex + 8

Above the tunnel entrance at the Moldefjorden side, it is proposed to establish a new overhead bridge. The fly bridge cross the portal will also be available to the public. From the sidewalk the public can watch the ships entering and coming out of the ship tunnel.. Image © Norwegian Coastal Administration/Snøhetta
Above the tunnel entrance at the Moldefjorden side, it is proposed to establish a new overhead bridge. The fly bridge cross the portal will also be available to the public. From the sidewalk the public can watch the ships entering and coming out of the ship tunnel.. Image © Norwegian Coastal Administration/Snøhetta

The Stad Ship Tunnel would measure 1.7 kilometers long, 36 meters wide and 49 meters tall – large enough to accommodate full-sized boats such as large cruise ships, sailboats, and coastal steamers. Traffic would pass through one way at a time, but even with a waiting period, the tunnel would chop off significant time and hazard from the existing route around the peninsula. Estimates show that between 70 and 120 ships could use the tunnel on a daily basis.

Moldefjorden: Bridge, with access for the public. Image © Norwegian Coastal Administration/Snøhetta
Moldefjorden: Bridge, with access for the public. Image © Norwegian Coastal Administration/Snøhetta
Given the scope, a multi-functional facilitation is an important part of the planning. There is a need for a longitudinal guiding structure through the tunnel and on both sides of the tunnel. These will protect the vessel against impact, but can also be used as escape routes during evacuation, and access road for inspection and maintenance of the facility.. Image © Norwegian Coastal Administration/Snøhetta
Given the scope, a multi-functional facilitation is an important part of the planning. There is a need for a longitudinal guiding structure through the tunnel and on both sides of the tunnel. These will protect the vessel against impact, but can also be used as escape routes during evacuation, and access road for inspection and maintenance of the facility.. Image © Norwegian Coastal Administration/Snøhetta

Working with Olav Olsen of Norwegian consulting firm Norconsult, Snøhetta has designed the two entrances to the tunnel using the material palette of the peninsula, with both wire-cut and blasted stone walls making up the opening arches. On the Moldefjorden side, the design would utilize the steep landscape to create a dramatic entrance. A more sensitive, terraced opening would pop out at Kjødepollen, where a small village is located.

The illustration shows a cross section of the ship tunnel as planned with the relevant measurements.. Image © Norwegian Coastal Administration/Appex
The illustration shows a cross section of the ship tunnel as planned with the relevant measurements.. Image © Norwegian Coastal Administration/Appex
The illustration shows where Stad Ship Tunnel is planned; with southern entrance in Moldefjorden and northern entrance in Kjødepollen. Image © Norwegian Coastal Administration/Appex
The illustration shows where Stad Ship Tunnel is planned; with southern entrance in Moldefjorden and northern entrance in Kjødepollen. Image © Norwegian Coastal Administration/Appex

The idea for building a ship tunnel through the Stad Peninsula has been discussed for over 100 years, with original plans documented as far back as the 1870s. Historians have even discovered that Vikings often preferred to portage their ships over the 1.7 kilometer stretch than sail through the dangerous seas.

Moldefjorden, where the southern tunnel entrance is planned.. Image © Norwegian Coastal Administration
Moldefjorden, where the southern tunnel entrance is planned.. Image © Norwegian Coastal Administration
The illustration shows where Stad Ship Tunnel is planned; with southern entrance in Moldefjorden and northern entrance in Kjødepollen. Image © Norwegian Coastal Administration/Appex
The illustration shows where Stad Ship Tunnel is planned; with southern entrance in Moldefjorden and northern entrance in Kjødepollen. Image © Norwegian Coastal Administration/Appex

Initial cost estimates for the project come in at 2.3billion Kroner (~$270 million USD). The Norwegian Coastal Association is hoping to receive a final political decision soon. If approved, construction could begin as early as 2019.

News via Norwegian Coastal Association.

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Cite: Patrick Lynch. "Snøhetta Unveils Plans for World's First Ship Tunnel in Norway" 28 Mar 2017. ArchDaily. Accessed . <https://www.archdaily.com/868068/snohetta-unveils-plans-for-worlds-first-ship-tunnel-in-norway/> ISSN 0719-8884
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Examinations of the bedrock in Kjødepollen shows that there is more sediment than first expected. That means that the portal must be built on a larger area than previously planned. For practical and safety reasons, the entrance is proposed built as terraces. The terrace surfaces can be established by known principles for withdrawal of loads, with a combination of construction methods such as wire-cutting and blasting.. Image © Norwegian Coastal Administration/Snøhetta

Snøhetta公布在挪威兴建世界上第一条船舶隧道的计划