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Old August 27th, 2009, 07:02 AM   #1801
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Marvelous,i am looking forward to seeing this super tall building.
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Old August 27th, 2009, 07:04 AM   #1802
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If you look at the CG of the top observation part, it almost looks like there is a waterslide up there. I do not think so but is wishful thinking....a scary thought.....
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Old August 27th, 2009, 07:13 AM   #1803
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8/27


tokyo-sky-tree.seesaa.net/


ameblo.jp/nzmst/
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Old August 27th, 2009, 05:25 PM   #1804
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8/27 media update:

Some articles about the steel that's used for the construction.

http://www.tokyo-np.co.jp/s/article/...690135757.html
http://www.yomiuri.co.jp/e-japan/tok....htm?from=navr
http://www.nikkei.co.jp/news/sangyo/...E24082009.html
And a PDF:
http://release.nikkei.co.jp/attach_file/0229211_01.pdf

It's all in Japanese, but when you are in the know about steel you should be able to understand some of the numbers and the graphs.

Pictures from the articles.





The company responsible for the steel:

Nippon Steel Corporation,
http://www.nsc.co.jp/en/index.html

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Another time laps video (2009/01/28-2009/08/12)



And a picture from today


tokyo2ndtower.cocolog-nifty.com/blog/
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Old August 27th, 2009, 05:54 PM   #1805
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This is coming along very nicely. It really messes with your eyes when you look at the struts, it must be an absolute maze within the building!
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Old August 27th, 2009, 10:05 PM   #1806
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@ Momo's post. Can't read much of it but from the last article it looks like they use high strength steel for the construction. Looks like steel with a yield point of 700 N/mm2 Normal steal in the Netherlands has a yield point of 235 N/mm2. So you can imagine how strong the steel is.
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Old August 28th, 2009, 07:04 AM   #1807
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You can start to see the tower from far away areas now!!!
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Old August 28th, 2009, 11:29 AM   #1808
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Can't wait!
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Old August 28th, 2009, 11:32 AM   #1809
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Quote:
Originally Posted by Momo1435 View Post
It's all in Japanese, but when you are in the know about steel you should be able to understand some of the numbers and the graphs.
Do you know a lot about steel?
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Old August 28th, 2009, 12:26 PM   #1810
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Do you know what level TST (Tokyo Sky Tree) has reached so far?
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Old August 28th, 2009, 03:52 PM   #1811
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The levels are not really official and they don't mention them anywhere in the media or on the message boards around the sites. They are just construction cycles, they only start the next level when the previous one is done and they do 2 levels before the next crane jump. When I look at the picture I think they are now busy with the 6th level, but it could also be the 7th. The start was a bit different, that makes it difficult to count them. They height should be 120 meters by now as planned for August.
Quote:
Originally Posted by nouveau.ukiyo View Post
Do you know a lot about steel?
No I don't, but after reading The Engineer's post seeing that it;s very high strength doesn't surprise me at all since the steel structure is one of the 2 main features to protect the tower against earthquakes and typhoons.

8/28


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Old August 28th, 2009, 06:46 PM   #1812
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The speed of construction of Tokyo Sky Tree would be useful for some Dubai's skyscrapers
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Old August 28th, 2009, 08:09 PM   #1813
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Completely different concept. No floors, no electrical, no plumbing, no furniture, etc. until it hits the top.
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Old August 28th, 2009, 11:58 PM   #1814
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Nice, a Zeppelin NT.
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Old August 29th, 2009, 08:45 AM   #1815
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8/29

early morning


ameblo.jp/nzmst/


tokyo-sky-tree.seesaa.net/

Removing scaffolding






tokyo2ndtower.cocolog-nifty.com/blog/

video
http://video.nifty.com/cs/catalog/vi...29234320_1.htm

And one from yesterday


tokyo2ndtower.cocolog-nifty.com/blog/
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Old August 29th, 2009, 08:57 AM   #1816
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nice
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Old August 29th, 2009, 11:32 AM   #1817
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very nice
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Old August 29th, 2009, 03:03 PM   #1818
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Friday, August 28, 2009
Sky Tree Being Raised From Seeds Of New Building Technology

Advanced construction method contains costs while also allowing for shorter project schedules, improved precision, better safety

By SHIGENORI ARAI

The first 100m of the tower are nearly completed, the above photo, taken in early August, shows. To the right is an image of Tokyo Sky Tree as it will appear after completion. Construction of the second Tokyo Tower started in July 2008 near Oshiage station in Tokyo's Sumida Ward. The tower is slated to open in spring 2012.

Tokyo Sky Tree, a television tower under construction in Tokyo's Sumida Ward, will become the world's tallest steel tower, at 610 meters, when completed in December 2011. To build the tower, which is about twice as tall as the Landmark Tower in Yokohama, now Japan's tallest building, the engineers in charge have devised an original construction method.

People first visiting the tower's construction site near Oshiage Station on the Tokyo Metro Co.'s subway Hanzomon Line may be puzzled at the sight of the structure being built, because it looks quite different from a three-legged steel tower.

At the site, where an average of 500 workers labor each day, the steel tower has been erected to a height of about 100m, and has the appearance of an office building from the ground. The structure will steadily increase in height and evolve into a grand tower by around summer of next year.

The tower is being built east of Tokyo's Sumida River by Tobu Railway Co. and Tobu Tower Sky Tree Co., and is slated to open for business in spring 2012. The tower will have two observatories at 350m and 450m aboveground. The project will cost about Y60 billion ($631.5 million).

Inch by inch

Despite looking like a solid structure from the ground, the tower's center is actually hollow. Its blueprints reveal a central pillar - a round reinforced-concrete column 8m in diameter - but no such structure is visible.

"The central pillar will be built in the final stage," said Tatsuhito Tamura, a specialist engineer from Obayashi Corp., which has contracted to construct the tower. The center is kept hollow in order to build the highest part of the tower there, he explained.

Around the summer of 2010, when the steel tower reaches a height of about 350m aboveground, where the first observatory is to be located, the construction of a gain tower - a structural part for installation of antennas that constitutes the highest section above 400m - will begin in the central space. As the tower gradually increase in height, the gain tower will be simultaneously erected at the bottom.

The gain tower will rise over 200m from the ground, equivalent to a 50-story building in height. When the height of the entire tower nears 500m, the gain tower constructed at the bottom will be lifted with wires while simultaneously pushed up from below.

This construction method was used to make the roof of the Kyocera Dome Osaka baseball stadium. It is a suitable method of building a structure with a huge interior space, because constructing the roof on the ground or at a lower position and hoisting it by crane can shorten the construction period and increase work safety. Because of these advantages, the technique has been adopted for Tokyo Sky Tree.

Continues at
http://www.nni.nikkei.co.jp/e/fr/tnk...28D28JF268.htm

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Last edited by Vapour; August 29th, 2009 at 03:12 PM.
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Old August 29th, 2009, 03:22 PM   #1819
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wow really nice...........
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Old August 29th, 2009, 08:07 PM   #1820
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Interesting article, the construction is going to be even more interesting than it's already is now.

~~~~~~~~~~~~~

And the construction is going faster then planned!

The August target was 120 m, but the latest official height is 125 m and it's not even September. This means that the tower has grown 32 meters this month, the same as in July.



The new September target is 150 m. That's another 25m, but it could even be higher.

Also on the message boards another picture from above from when the tower reached the 100m.



Also an 8/29 update:














All pictures: 512colors.blog120.fc2.com/
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