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Old March 2nd, 2009, 03:04 AM   #961
fionapoulsen
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Can't wait for it to finish. Looking great at night.
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Old March 2nd, 2009, 03:26 AM   #962
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uuurggg its not even a proper skyscraper!
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Old March 2nd, 2009, 06:38 AM   #963
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Quote:
Originally Posted by poshbakerloo View Post
uuurggg its not even a proper skyscraper!
Huh? You've never seen a tower before?
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Old March 2nd, 2009, 07:05 AM   #964
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02th Mar 2009 Photo











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Old March 2nd, 2009, 07:50 AM   #965
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Great shots! Thanks for the update!
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Old March 2nd, 2009, 08:26 AM   #966
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up date picture its fantastic...
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Old March 2nd, 2009, 01:49 PM   #967
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Quote:
Originally Posted by tommyzion View Post

Are the 3 smaller excavations (blue screening) for the main legs of the tripod ?

fantastic update.
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Old March 2nd, 2009, 04:54 PM   #968
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That would be correct.
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Old March 2nd, 2009, 06:45 PM   #969
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Good to see the progress on the legs!
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Old March 2nd, 2009, 08:14 PM   #970
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Yep, and the thing will look massive when the whole perimeter is constructed.
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Old March 2nd, 2009, 10:41 PM   #971
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More pictures from 3/1 posted on bluestyle.livedoor.biz/

[IMG]http://i43.************/2d92yh1.jpg[/IMG]

[IMG]http://i40.************/15z1gud.jpg[/IMG]

[IMG]http://i40.************/357itlk.jpg[/IMG]

Plus a picture of a board on the site explaining what is done starting from Februari 2009 (H21年 = 2009 in the Japanese imperial calendar; H = Heisei; 21 = the current year. It's all based on the rule of the empires, the Heisei era started on January 8, 1989 when emperor Hirohito died and was succeeded by his son Akihito.)

[IMG]http://i41.************/dw6nfl.jpg[/IMG]

The same blog post tells us that this month (March) will see the construction of the tower cranes. From the picture it looks like the core will only grow any further after the cranes are installed. In April they will start with the steel frame, then it will come out of the holes and grow above street level.
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Old March 3rd, 2009, 02:39 AM   #972
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It is very exciting to see this structural marvel quickly take shape
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Old March 4th, 2009, 05:39 AM   #973
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wow thanks for diagram
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Old March 4th, 2009, 12:49 PM   #974
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The above announcement says they are going to build the tower and its foundation AT THE SAME TIME...

That must make things a lot quicker
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Old March 4th, 2009, 01:50 PM   #975
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It’s a lame name, but I’m sure we’ll all get used to it in no time and think it’s perfectly normal … until someone else comes along and reminds us how Japan-ized our sense of word choice has become.

casas rurales en burgos |casas rurales en cadiz | casas rurales en barcelona |casas rurales en huesca | estaciones esqui
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Old March 4th, 2009, 05:12 PM   #976
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Picture of one of the tower cranes in the Yomiuri newspaper, it's looks ready so it shouldn't be long before it will constructed up on the tower.

[IMG]http://i40.************/2rc66xe.jpg[/IMG]
tokyo2ndtower.cocolog-nifty.com/blog/

And the crew that builds the foundation for the tower, from the official blog

[IMG]http://i40.************/2z68coj.jpg[/IMG]

[IMG]http://i44.************/2r3ebuc.jpg[/IMG]
http://blog.skytree-obayashi.com/

[IMG]http://i43.************/ildele.jpg[/IMG]
ameblo.jp/nomiteam/
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Last edited by Momo1435; March 4th, 2009 at 05:27 PM.
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Old March 4th, 2009, 07:09 PM   #977
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I really love this tower, BUT the place, where it is built is horrible! I hope it will change in the next years, so that everything fits!
Is it over street level yet?
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Old March 4th, 2009, 08:20 PM   #978
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Quote:
Originally Posted by gayscraper View Post
Is it over street level yet?


Next time look at the pictures before you ask stupid questions.
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Old March 5th, 2009, 09:09 AM   #979
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Another article by Yomiuri. This one is too long to translate all the sentences, so this is just a summary. The one Momo posted above is only part of it.

The shorter building beside it in a great hurry
On Feburary 5, the first piece of steel in one of the legs was installed to the 50m ferroconcrete wall lying underground, which was finished in last December, with a small rite held by the people engaged.



In order to speed up the construction, they have to put the materials together in advance on the ground, but the site is way too narrow. As a solution, they decided to build the four-floor building beside the tower earlier. Trucks come to the first floor of the building, the crane lifts the materials up to the fourth floor through the stairwell, the crew put them together there, and then the tower crane lifts them up to the tower. This method was also used in Roppongi Hills construction.



The flooring of the first floor is planned to be finished by the end of March. They adopted contra-ramming technique to make room for the trucks first. The piles for the first floor are already installed under the ground last year. The underground floors will be dug after the first floor. The construction process is planned like a jigsaw puzzle.

http://www.yomiuri.co.jp/e-japan/tok...OYT8T00142.htm

Cranes to the height never before experienced
Obayashi-gumi ordered three custom-made JCC-V720's from IUK. The main body is 140t. The jib is 36m and can lift 32t.



First, the three will be installed on the 5th floor, and pull up their masts every 50m as the tower grows. When the lower observatory is finished, two of them will be fixed on the roof of it to specialize lifting materials from below, and the other will go up with another smaller crane to finish the job.



Obayashi-gumi and IUK have been researching on tower cranes for supertalls since before the plan of Sky Tree. After a simulation, the mast was made 15% more stronger to withstand earthquakes.The crane proves to withstand a 100m/s wind. For comparison, the strongest wind ever recorded in Japan is 91m/s at the Mt. Fuji Weather Station in 1966. The crane has spare equipment in case it is struck by lightning. The constructer participating to crane development is unique to Japan. That makes the process more efficient.

http://www.yomiuri.co.jp/e-japan/tok...OYT8T00449.htm

Slender tower, massive steel frames
The steel frame used in the tower is a cylindrical ring not more than 3m long, 2 to 3m across and 10cm thick. It weighs 6t per 1m. If it is longer, the trailer that carries one may cave roads or bridges. Pipe-shaped steels are less prone to buckling than normal slender ones.



In late 2005, when the site was still a candidate, they conducted an array microtremor survey, which reveals the feature of the deep underground by analyzing microteremors at several points on the ground, in order to find how the site shakes when hit by an earthquake.

Pipe-shaped steels are easy to connect each other at any angles, which is also why they use them for the tower whose section is a triangle on the ground and a circle at upper levels.

http://www.yomiuri.co.jp/e-japan/tok...OYT8T00151.htm
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Old March 5th, 2009, 10:28 AM   #980
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CG

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