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Old December 24th, 2008, 08:18 PM   #581
SJM
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Quote:
Originally Posted by The Pimp View Post
Given all the earthquakes in Japan.... This is the nuttiest project yet conceived.
What an idiotic statement.
Just look at the Yokohama Landmark Tower as a good example of earthquake proof design techniques with harmonic absorbers and tuned mass dampers designed to prevent damage or structural failure by vibration.

So i think they know what they're doing.
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Old December 26th, 2008, 05:43 AM   #582
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Many people seem to have silly preconceptions about Japan. I am just glad to see that Tokyo's low, crowded skyline is finally being graced with a supertall. But what will they do in the next few decades when tokyo's skyline is finally built up? Build an even TALLER tower for broadcasting? lol? (sheesh, probably....)
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Old December 26th, 2008, 05:55 AM   #583
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Quote:
Originally Posted by SJM View Post
What an idiotic statement.
Just look at the Yokohama Landmark Tower as a good example of earthquake proof design techniques with harmonic absorbers and tuned mass dampers designed to prevent damage or structural failure by vibration.

So i think they know what they're doing.
I agree. The Japanese engineering can probably push to heights like the Nakheel Tower. The problem is having them push the law makers to allow them to build that tall. Too much red tape!
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Old December 26th, 2008, 12:02 PM   #584
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It is neccessary to think about the building regulation and legalisation before talking about skyline and skyscrapers.
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Old December 26th, 2008, 06:31 PM   #585
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Quote:
Originally Posted by buildmilehightower View Post
taipei 101 is only 200m away from earthquake fault and architects don't care because they've got a thing called 'pendulum' (counter weight or damper or whatever people like to call it)

It looks tiny compared to the building itself but its a tiny 660 tonne steel pendulum.

Tuned mass damper!
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Old December 27th, 2008, 05:00 AM   #586
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It already starts rising, the first steel beams were installed today!!

From: スカイツリーToday



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Old December 27th, 2008, 06:03 AM   #587
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Yes!!!!!!! I am so excited for this to be going up!!!
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Old December 27th, 2008, 08:53 AM   #588
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The steel frame on the right of these beams also grew considerably.

And these beams finally show us were the tower is going to go up on the site.
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Old December 27th, 2008, 09:13 AM   #589
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Since its only one of the four foundations, we still cant really tell where it is going to be. On some renders the tower also appeared to be diagonal to the street pattern, and there are diagonal steel frames on the ground aswell now.

At the moment i can not locate the other three foundations. Has someone got a clue where they are located on the site?
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Old December 27th, 2008, 10:10 AM   #590
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Wow. Amazing how quickly this is going up.
Should go up like the Empire State Building.
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Old December 27th, 2008, 10:32 AM   #591
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Quote:
Originally Posted by Hightech Pro View Post
Since its only one of the four foundations, we still cant really tell where it is going to be. On some renders the tower also appeared to be diagonal to the street pattern, and there are diagonal steel frames on the ground as well now.

At the moment i can not locate the other three foundations. Has someone got a clue where they are located on the site?
Judging from this video from the official website....

http://www.rising-east.jp/webtv/news/cat22/post-10.html

..., the website of the builder, Google Earth and the Skytree TODAY updates, the core of the tower will be going up in front of the brown building in the big picture. The erected steel beams actually come very close to that spot. 2 of the 3 legs of the tower will be located at the south side of the building site, that's in the back of the picture. And the 3rd will be located on the North side, in the front of
the picture next to the railway line.

something like this (not exact locations):

[IMG]http://i41.************/11v4kdg.jpg[/IMG]
blue = the core
red = the legs of the steel shell.


The above mentioned official website of the builder of the tower, Obayashi is also interesting to look at if you haven't got problems with a Japanese language website.
http://www.skytree-obayashi.com/

Just two pages that are very interesting.

time line:
http://www.skytree-obayashi.com/build/index.html
step 1 - August 2008
step 2 - Spring 2009
step 3 - Autumn 2009
step 4 - Spring 2010
step 5 - Winter 2010
step 6 - December 2011

Construction methods, including earthquake & typhoon protection:
http://www.skytree-obayashi.com/artifice/index.html (translated)
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Old December 27th, 2008, 11:17 AM   #592
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Progress timeline from http://www.skytree-obayashi.com/


[IMG]http://i41.************/27wr6gw.jpg[/IMG]
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Old December 27th, 2008, 03:53 PM   #593
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They're not messing around on this site, are they?! It's pretty nice, after watching the slow as molasses development pace of the WTC and Chicago Hole sites, to see this thing move so fast. I suppose it's a fairly simple structure though, below ground - no garages etc etc etc to build first. And I guess that bedrock is close to the surface and quite strong too... Anyway, with a completion date not much more than two years away, this should provide plenty of update material
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Old December 27th, 2008, 05:57 PM   #594
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@Momo & Densetsu
Thx for clearing that up. The steel columns dont look like the core at the moment, so i was a little bit confused. But of course it makes sense to build the core first.
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Old December 27th, 2008, 07:43 PM   #595
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When would the tower top out? And what's that small tower beside it?
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Old December 27th, 2008, 08:17 PM   #596
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It's December 2011. Momo1435 has pointed it out.

And sorry i don't know about the small building next to Skytree.
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Old December 27th, 2008, 08:40 PM   #597
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steel already... So much contrast from the freedom tower.
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Old December 27th, 2008, 08:48 PM   #598
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Quote:
Originally Posted by buildmilehightower View Post
steel already... So much contrast from the freedom tower.
Yup. This is really something like the Eiffel Tower: built with steel from top to bottom and nothing else.
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Old December 27th, 2008, 09:20 PM   #599
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He's referring to the pace of construction, not the materials used.
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Old December 28th, 2008, 12:37 PM   #600
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スカイツリーToday 12/28 update (the previous one was from 12/26):

[IMG]http://i41.************/330hirs.jpg[/IMG]

[IMG]http://i40.************/a0wbc2.jpg[/IMG]
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