Submerged floating tunnel

They would be able to deal with seismic disturbances and weather events easily, as they have some degree of freedom in regards to movement, and their structural performance is independent of length (that is, it can be very long without compromising its stability and resistance).

The Norwegian Public Roads Administration (NPRA) has investigated the technical and economic potential for eliminating all ferries on fjord crossings along the western corridor (European route E39) between Kristiansand and Trondheim.

[39] It was later reported that the pilot project would now be a tourist observation tunnel to allow undisturbed viewing of the ruins of flooded Hecheng city, which are currently only viewable by scuba diving.

[40][41] The Qiandao Lake prototype will serve to help plan for the project of a 3,300-meter submerged floating tunnel in the Jintang Strait, in the Zhoushan archipelago, also situated in Zhejiang.

[42][43][44] According to Elio Matacena, the President of Ponte di Archimede International, the only difficulty building such tunnels in deeper waters is the price of the structure.

The budget was said to be around 15 billion US dollars for an undersea tunnel in the Sunda Strait; in the long term it would link up Java and Sumatra in an uninterrupted chain.

Iskendar, Director for the Center of Assessment and Application of Technology for Transportation System and Industries, participated in a meeting with SIJLAB engineers, from the Sino-Italian Archimedes Bridge project.