Desaign and human capabilities in construction technology that evolved so rapidly. Proved not only a wide range of building forms in the world but it can train is evidenced by the increasing number of tunnels and tunnel connecting the region with other regions across the sea well, located underground tunnels and tunnels are scattered everywhere. This fact has become evident that the development of the construction world and the world is so developed and developing desaign lately much more has been discovered cast cement technology.
To observe the development of world science and construction desaign the following we inform some of the longest railway tunnel in the world as follows:
1. Seikan Tunnel
Seikan Tunnel:
Seikan tunnel is a special tunnel for a railway line, the tunnel length is 53.85 Km are in the territory of Japan. The most scandalous was approximately 23.3 Km long tunnel located on the seabed. Location tunnel at the bottom of the sea is at a depth of 140 meters on the seabed, or about 240 meters (790 feet) if calculated from the sea surface.
Position and location of the Seikan tunnel under the Tsugaru Strait, connecting the island province of Aomori in Honshu with the island of Hokkaido - Japan. Seikan tunnel is also part of the Kaikyo Line of Hokkaido Railway Company. Until now Seikan tunnel is still the longest tunnel in the world. The record is likely to be replaced by the Gotthard Base Tunnel in Europe is scheduled to be completed in created in 2018. If the tunnel is completed on time then the tunnel Gotthard Base rail tunnel will form the longest and deepest in the world
2. Channel Tunnel
Channel Tunnel linking Britain Kent near Dover with Coquelles, Pas-de Calais to Calais in Northern France is the underwater tunnel with a length of 50.5 Km or 31, 4 miles below Dover Strait, UK. This tunnel is located at a depth of 75 meters under the sea. Of at least 50.5 Km 37.9 Km Channel tunnel located on the seabed.Until this post we made this tunnel is the longest underwater tunnel after tunnel Seiken no 2 in Japan.
3. Lötschberg Base Tunnel
Lötschberg Base Tunnel:
Lotschberg Base Tunnel is a newly completed tunnel, this tunnel cut in the Swiss Alps with a length of about 34.577 Km. According to the list of world records this tunnel is the longest tunnel in the world through the mountains. This tunnel has a depth of 400 meters from the Swiss Alps. The tunnel is still fairly new karen newly created in 2005, and according to records it took 1 year is around 2006 contruction has ended. The new tunnel was opened and inaugurated on Friday, June 15, 2007, and is still not optimally operated. New on December 9, 2007 the tunnel was operated in full.
4. Guadarrama tunnel
Guadarrama Tunnel:
Guadarrama Tunnel is a railway tunnel which is only used specifically for high-speed rail with two tubes that operate on the route Madrid - Valladolid in Spain. Both tubes are located in the west with a length of about 28.407 Km while the other tube is located on the east with a length of about 28.418 Km. Guadarrama Tunnel is the longest rail tunnel in Spain. This tunnel was opened to the public in December 2007.
5. Iwate-Ichinohe Tunnel
Iwate-Ichinohe Tunnel is the record holder for world's longest tunnel ever since until 2007, and the record was resolved when Lötschberg Base tunnel construction completion. Iwate-Ichinohe Tunnel length about 25.810 Km connecting Tokyo with Aomori city. The tunnel is located about 545 KM from Tokyo Station was opened since 2002. Previously has conducted a survey that began in 1988 and in 1991 began to be implemented and completed their construction was done in 2000. So look at the course of history of this tunnel takes a long time ranging from surveys - work to be completed. And two years since the completion of the tunnel is the new 2002 opened to the public. The tunnel depth of approximately 200 meters.
sumber
http://www.didunia.net/2012/12/terowongan-kereta-api-terpanjang-di.html
http://terselubung.blogspot.com/2013/01/terowongan-kereta-api-terpanjang-di.html
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