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Old August 17th, 2005, 08:11 AM   #21
i_am_hydrogen
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Very impressive. I didn't realize Tokyo was experiencing such a huge boom.
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Old August 18th, 2005, 04:39 AM   #22
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Cool!!!
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Old August 23rd, 2005, 07:54 PM   #23
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scroll --->







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Old August 23rd, 2005, 10:10 PM   #24
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I want a kind of plan in Rotterdam
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Old August 23rd, 2005, 11:19 PM   #25
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AMAZING
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Old August 24th, 2005, 12:59 AM   #26
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Quote:
Originally Posted by crazyevildude
Yeah, I was going to say that (Although perhaps not so coherently :p.)

Also very tall buildings are designed to cope with high winds, which cause the buildings to sway, so by design they are more able to cope with the movement.

I also think I heard somewhere that the natural movement of the building in a tall building counteracts the movement of an earthquake whereas in a smaller building (10storeys or so) it adds to the movement so you end up with a simular effect to pushing a swing. I don't fully understand that bit though, maybe someone with abit more physics and engineering knowledge can explain?
Well, yeah, then this is easy to (try to) explain. The movement of the soil creates a wave (of horizontal displacement) that propagates upward the building. When it reaches the top of the building, it is reflected and goes back to the ground, and up again... etc, with a little dampening every time.
If the height of the building is half the wavelength, then the oscillation can become very intense because the wave inside the building can add up (the one that is directly transmited with the one that has already reached the top once), so there is a possible constructive interference, the building behaves like a reflexion cavity (same principle for lasers...).
If the height is higher then the waves are more dampend, diffracted inside the structure when they come back on the ground, and all these reflexions are not so intense - exept for very low frequencies that must occur more seldom.

The other question I have then is : Why so many building with so few supertalls? Enonomic sense? Urbanism legilation? Culture?
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Old August 25th, 2005, 02:10 PM   #27
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Quote:
Originally Posted by Grygry
The other question I have then is : Why so many building with so few supertalls? Enonomic sense? Urbanism legilation? Culture?
Because the heart of Tokyo, (Otemachi, Kasumigaseki, Roppongi etc) is close to Haneda airport and its sky has air routes. Shinjuku, the subcenter of Tokyo used to have a height limit but at present doesn't have it any longer.
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Old August 25th, 2005, 06:22 PM   #28
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Quote:
Originally Posted by IshikawajimaHarima
Because the heart of Tokyo, (Otemachi, Kasumigaseki, Roppongi etc) is close to Haneda airport and its sky has air routes. Shinjuku, the subcenter of Tokyo used to have a height limit but at present doesn't have it any longer.
no, shinjuku has height limit as well.
every single district in tokyo has height limit.
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Old October 2nd, 2005, 01:34 AM   #29
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Tokyo's skyline

MT.Fuji & Tokyo skyline scroll>>>>>>
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Old October 4th, 2005, 04:59 PM   #30
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Where is the Landmark tower in Yokohama. I can't found it in the list.
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Old October 4th, 2005, 10:27 PM   #31
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few months ago I saw and read about one of the future projects in Japan. I was amazed with the hieght of the structure they were planning, it was (13,000 feet) does anyone know about it? or that was just a fiction story?
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Old October 5th, 2005, 10:48 AM   #32
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and 1st floor is the ground floor (ie. in Japan a two story building has level 1 and level 2. In many other places, a 2 story building would have a ground floor and level 1...)
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Old October 5th, 2005, 11:03 AM   #33
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most of the projects look great, the way i see it, cities of this size and economy will always have a number of projects U/C.
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Old October 5th, 2005, 12:19 PM   #34
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Quote:
Originally Posted by AM5786
few months ago I saw and read about one of the future projects in Japan. I was amazed with the hieght of the structure they were planning, it was (13,000 feet) does anyone know about it? or that was just a fiction story?
yeah it is called the X-Seed 4000, which is meant to have 800 or so floors... but then its just a vision, and somehow i dont think it will ever get built (in our time anyway)
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Old October 5th, 2005, 05:34 PM   #35
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nice compilation. a pity there are no supertalls...

are most of these towers being built in the city (free plots) or in "new" areas?
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Old November 2nd, 2005, 07:30 PM   #36
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Sumida Tower
http://www.sumida-tower.jp/

I don't like it.
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Old November 2nd, 2005, 07:52 PM   #37
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Go tokyo go!
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Old November 3rd, 2005, 10:31 PM   #38
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very nice... Tokyo will look sexy after those projects.
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