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Old November 29th, 2015, 08:11 PM   #941
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Slight garbling of the facts at the end there..
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Old November 29th, 2015, 08:12 PM   #942
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Slight garbling of the facts at the end there..
that's to be expected.
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Old December 1st, 2015, 02:46 AM   #943
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Aerial snapshot of the area north of Shinagawa station taken on Nov. this year (according to the source http://bluestyle.livedoor.biz/tag/%E...%B3%E5%AF%BA):



There is a massive redevelopment going on in the area, and construction of Maglev Shinkansen station is part of the project.
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Old December 2nd, 2015, 04:25 PM   #944
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Quote:
Originally Posted by 2co2co View Post
Aerial snapshot of the area north of Shinagawa station taken on Nov. this year (according to the source http://bluestyle.livedoor.biz/tag/%E...%B3%E5%AF%BA):



There is a massive redevelopment going on in the area, and construction of Maglev Shinkansen station is part of the project.
I'll take "Decking Over The Whole Yard" for $200, Alex.
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Old December 20th, 2015, 07:29 PM   #945
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Drilling begins in Japan on deep magnetic levitation train tunnel

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HYAKAWA, Japan - Central Japan Railway Co. (JR Tokai) held a ceremony in Hayakawa on Friday to mark the start of drilling work for a 25-kilometer tunnel that will run through the Southern Japanese Alps, which is deemed the most difficult phase in construction of a magnetic levitation train line that will connect Shinagawa, Tokyo, with Nagoya in 2027.

The contractors in charge will spend about 10 years to complete the tunnel construction for the Linear Chuo Shinkansen line project, facing potential risks that include the complicated stratum in the central part of the Japanese archipelago and high-pressure underground water.

The envisaged Southern Alps Tunnel is divided into three construction sections, one in each of three prefectures: Yamanashi, Shizuoka and Nagano. It will be a 13-meter-wide semicircular tunnel for the main line.

The depth of the tunnel's deepest point beneath the surface, which will influence the pressure on the tunnel, is 1,400 meters.

This is deeper than the 1,300-meter Daishimizu Tunnel - currently the deepest in the country - on the Joetsu Shinkansen line on the border between Gunma and Niigata prefectures.

For the Southern Alps Tunnel, to prevent collapse caused by pressure from the ground, workers will reinforce the construction sites with steel arches after breaking the solid rock with drilling equipment or explosives.

The tunnel interior will be sprayed with concrete, then the steel will be fixed to the solid rock with bolts.

In the Southern Japanese Alps, a mountain range with peaks above 3,000 meters, strata are inextricably intertwined and fragile fracture zones lie hidden within them.

In particular, there is a risk that groundwater held in the complex geological structure could be inadvertently released through the drilling work.

"It's inevitable that workers will fight against high-pressure spring water. The project will involve the most difficult construction in the history of Japanese mountain tunnels," said Atsushi Koizumi, a professor of tunnel engineering at Waseda University.

JR Tokai President Koei Tsuge said, "Taking into consideration construction safety and environmental conservation, we would like to apply the whole company's efforts to tackling this difficult construction."




http://www.utsukushii-mura.jp/wp-con...t_hayakawa.jpg




https://upload.wikimedia.org/wikiped...2010-12-12.jpg

Last edited by castermaild55; December 20th, 2015 at 07:37 PM.
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Old December 21st, 2015, 09:20 PM   #946
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Quote:
Originally Posted by 2co2co View Post
Aerial snapshot of the area north of Shinagawa station taken on Nov. this year (according to the source http://bluestyle.livedoor.biz/tag/%E...%B3%E5%AF%BA):



There is a massive redevelopment going on in the area, and construction of Maglev Shinkansen station is part of the project.
It must be the biggest empty area in Central Tokyo, no?
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Old December 28th, 2015, 12:37 PM   #947
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I went to Nagoya for a business trip.

Here are the pics of the Linimo line, which is Japan's only operational maglev line.
It begins in Fujigaoka station in Meito-ku in Nagoya (which connects it to the Higashiyama line) and ends at Yakusa where there's Toyota's base as well as a university

This was the first time I rode a maglev train and it was very very smooth. However very few riders besides students. The view is great, especially with its large window pane and two seats that give you a rollercoaster like experience.

The structure of the stations are almost exactly like the Yui monorail in Okinawa.

The train girl for this line (there are many within Japan)



Each station has its own mark


kind of empty


great view, entirely automated


the tracks


the train from the outside
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Old December 29th, 2015, 09:20 PM   #948
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Here are a couple videos of the Linimo Maglev in Nagoya.
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Old January 2nd, 2016, 08:21 AM   #949
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I really like the SCMaglev, it's amazing how fast this vehicle is able to travel...I have a prototype model of it, would be cool to make it function
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Old January 27th, 2016, 07:10 AM   #950
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In Tokyo began construction of the first station for trains on a magnetic cushion

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TOKYO, January 27. /Corr. Kirill Agafonov/. In the Japanese capital began to build the first station of the branch of magnetic levitation trains (Maglev) stretching over 280 km, which in 2027 will connect Tokyo and Nagoya.

The construction of the station takes place in extremely difficult conditions – its construction is within the current major transport hub “Shinagawa” at a depth of 40 meters under the ground. The length of the platform will be more than 450 meters. Meanwhile, the construction of stations in Nagoya have not yet begun, and yet on this issue there is no agreement, however, in company JR Tokai promise to speed up the reconciliation process.

At the end of last year in Central Yamanashi Prefecture, in the territory of which will run first in Japan, a branch of the Maglev from Tokyo to Nagoya, began construction of its most difficult area – 25 km-long tunnel under the so-called Japanese Alps. Due to the complex topography and design features of the construction of the tunnel will continue until 2025. One of his sites will be at a depth of 1.4 km.

Working on the creation of a train on a magnetic cushion began in Japan in the 70-ies of the last century, however, these technologies for a long time no use. In 2011 the Japanese government approved a plan for the construction of the first commercial line of such trains with a length of 286 km between Tokyo and Nagoya. The project cost is estimated at 5.5 trillion yen ($45,8 billion). The construction will involve about 15 thousand people. By 2045 this branch is planned to be extended to the third largest city of Japan – Osaka.

Currently the Japanese Maglev is being tested in Yamanashi Prefecture. This summer he reached a speed of 603 km / h and was recognized as the fastest train in the world. The average speed on the section between Tokyo and Nagoya can be about 500 km per hour, which will allow you to make the journey in 40 minutes. The duration of this same trip on high-speed trains “Shinkansen” is now one hour and 18 minutes.


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Old January 27th, 2016, 09:35 PM   #951
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What kind of soil are they creating the underground station in?
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Old January 27th, 2016, 10:09 PM   #952
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Is there an overhead plan view of Shinagawa station? As in showing the whole site rather than a cross-section?
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Old January 30th, 2016, 06:48 AM   #953
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Quote:
They bought me with this. Oh how I wish that China was more graphically creative in it's public spaces...
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Old January 31st, 2016, 07:18 AM   #954
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Is there an overhead plan view of Shinagawa station? As in showing the whole site rather than a cross-section?








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Old January 31st, 2016, 08:32 AM   #955
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Looking at the picture I am guessing there is a possibility that the line may extend to Tokyo station considering the direction the platform is going to be built.
It was once speculated that the platform may extend perpendicular to the other ROW making it impossible to extend further north.
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Old January 31st, 2016, 10:20 AM   #956
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They bought me with this. Oh how I wish that China was more graphically creative in it's public spaces...
so far. it is the only line I've seen in Japan that has symbols for each station.
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Old January 31st, 2016, 10:36 AM   #957
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These images show how the new Chuo-maglev station will be built directly underneath the Shinkansen station.

It should indeed be possible to extend the line. Maybe even beyond Tokyo Station in the even more distant future.


http://company.jr-central.co.jp/comp...protection.pdf


http://building-pc.cocolog-nifty.com...post-2ad8.html


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What kind of soil are they creating the underground station in?
It's a sediment type of soil, pretty much volcanic sand laid here on the shore of the Tokyo Bay by the rivers coming the mountains.
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Old January 31st, 2016, 01:49 PM   #958
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It's a sediment type of soil, pretty much volcanic sand laid here on the shore of the Tokyo Bay by the rivers coming the mountains.
Cool. In Amsterdam they used a special type of 'table construction' to slide a new subway station underneath the existing Central Station (which was originally built on piles as it was essentially built on mud):











They also built a new through station underneath Antwerp Central (which was originally a railway terminus), but I don't know how they pulled that off.
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Old January 31st, 2016, 04:43 PM   #959
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These images show how the new Chuo-maglev station will be built directly underneath the Shinkansen station.

It should indeed be possible to extend the line. Maybe even beyond Tokyo Station in the even more distant future.

So, I'm guessing that the red-shaded area is the platforms, and the blue-shaded area are the tail-tracks beyond for emergency stopping?

I'm not sure what this image is saying. Which side of the station are they going to open up for digging the access shaft, east or west? Why are the platforms so much wider? How will this affect the Tokaido Shinkansen operations, especially since I don't see the non-stopping tracks diagrammed here? What about the zairaisen?


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It's a sediment type of soil, pretty much volcanic sand laid here on the shore of the Tokyo Bay by the rivers coming the mountains.
I seem to recall that that is a good soil for farming, isn't it?
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Old January 31st, 2016, 10:45 PM   #960
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Both the Red (south section) and the blue (north section) will be the station, it's area that will be dug out. The digging out will be done from the east side of the station. The road running directly along the Shinkansen Station will be used as the entrance shaft. The 4 lanes will be reduced to 2, which creates a 15m x 450m big construction area from where the whole space underneath the Shinkansen Station will be dug out. This of course without interfering with the Shinkansen operations.

That's what this image shows. First the ground underneath the station will be dug out. The new underground structure for the Chuo-Maglev station will then also support the Shinkansen Station. Any work that could be dangerous for the current station will be done at night when the trains don't operate.





This image shows the road better.



http://building-pc.cocolog-nifty.com...post-10ab.html


This way it won't have any influence on the regular railway tracks that are all located on the west side of the station.


Japanese soil in the flat plains along the coast is indeed very fertile. But also very perfect for building cities. There has always conflict between agriculture and urbanization, especially in the Kanto Plain around Tokyo.



@Silly_Walks

The big difference between Tokyo and Amsterdam is that the soil in Amsterdam can be described much more as liquid earth. There won't be the need to freeze the soil in Tokyo to make sure the surrounding structures won't subside.
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