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Megatalls Discussions of projects under construction at least 600m/2,000 ft tall.



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Old January 29th, 2017, 08:02 PM   #41
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Quote:
Originally Posted by Gabriel900 View Post
It is "unfeasible" to your limited current understanding!
What makes you think your understanding is less limited?

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Originally Posted by DubaiM View Post
Did anyone in the 1920s think the towers below were ever going to be possible? I don't think so, and yet here we are:
http://blog.hereisbeijing.com/wp-con...CCTV_tower.jpg
https://4.bp.blogspot.com/-nfs1O-jFP..._w/s1600/7.jpg
http://i.imgur.com/SWWZNPJ.jpg
Two of them look quite impressive from a close distance, but let's not forget that CCTV Headquarters will never have a chance to become a Beijing's icon of the same scale as Emirates Towers, Burj Al Arab, Burj Khalifa or NBD (Deira). To make sure about it, just type "Beijing cityscape" into a searching engine, and then try to look up any other city's skyline, like "Dubai/Toronto/NYC/HK/KL cityscape" for example. You will notice one important thing: CCTV Headquarters affects the skyline very little to be taken into account. It's not at all a kind of shape that will be drawn by an average person on a tissue while sipping a drink in a cafeteria.
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Old January 29th, 2017, 09:42 PM   #42
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Two of them look quite impressive from a close distance, but let's not forget that CCTV Headquarters will never have a chance to become a Beijing's icon of the same scale as Emirates Towers, Burj Al Arab, Burj Khalifa or NBD (Deira). To make sure about it, just type "Beijing cityscape" into a searching engine, and then try to look up any other city's skyline, like "Dubai/Toronto/NYC/HK/KL cityscape" for example. You will notice one important thing: CCTV Headquarters affects the skyline very little to be taken into account. It's not at all a kind of shape that will be drawn by an average person on a tissue while sipping a drink in a cafeteria.
I'm not talking about the fame or impact of a building. I'm talking about the challenges from an engineering point of view that are faced by todays skyscrapers. Those shapes were totally unimaginable back then.
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Old January 30th, 2017, 08:24 PM   #43
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This project is quite impressive.
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Old February 12th, 2017, 10:14 AM   #44
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ok this is crazy lol so if I understand 2400m ?
when this started?
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Old February 12th, 2017, 10:26 AM   #45
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ok this is crazy lol so if I understand 2400m ?
when this started?
It will never start, it's just a vision
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Old February 12th, 2017, 06:59 PM   #46
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Gosh, is it so hard to read the title?
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Old February 12th, 2017, 09:00 PM   #47
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It's kind of too ridiculous from every point of view, even if a massive steel structure can allow such a fantasy. From the architectural POV, this "design" has many disadvantages and limitations that make it unfeasible. And I can't come up with quite many valid ideas why anybody would stick to this riband shape, rather than making the same height with a good, valid architecture. One of the symbolizing ideas is fire. If for any reason it has to symbolize some flame, then it can make sense for a limited group of people. Otherwise the helical bands are pointless enough.
Do you think a building of this height is feasible with a different design? I'd be interested to know what is the practical height limit today for a skyscraper.
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Old February 13th, 2017, 02:05 AM   #48
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Do you think a building of this height is feasible with a different design? I'd be interested to know what is the practical height limit today for a skyscraper.
Practical? 400 metres, perhaps. Any more than that, and the load-bearing system and building infrastructure get unneccessarily complicated and takes up too much room on the lower levels, effectively removing useable area from the building every time you add a floor.

As for what is possible, if you have no other objectives than spending money and building tall... somewhere between 2-2.5 km. You wouldn't be able to use the structure for any practical purpose, and it would be incredibly expensive, but technically possible, for sure.
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Old February 13th, 2017, 02:50 AM   #49
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Old February 14th, 2017, 11:03 PM   #50
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Do you think a building of this height is feasible with a different design? I'd be interested to know what is the practical height limit today for a skyscraper.
It is feasible - in the sense of possibility to construct, although with a negative ROI. The practical height is up to 600+m, with occupied spaces not higher than 550+m. Anything extra is highly impractical. The highest observation decks are a bit higher than 550m, but what you can see from there - is merely a map of the city.
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Old February 14th, 2017, 11:09 PM   #51
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There are far higher observation decks than 550m, and the view is more amazing the higher you go.
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Old February 15th, 2017, 12:27 AM   #52
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Honestly, I'm not aware of any. If you know, I will be glad to learn. I can only assume you mean some observation decks in mountains.

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Old February 15th, 2017, 07:22 AM   #53
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guys there is a thread to discuss such issues

http://www.skyscrapercity.com/showth...1916572&page=8
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Old February 16th, 2017, 05:37 AM   #54
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ok here is a thought. Why not use the same design and shrink it to a more realistic size. Seeing as 1000m is the go to point for hypertalls these days, why not keep the beautiful design and its locall overlooking a (albeit man made) lake, but within the realms of reality and not just fantasy?
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Old February 16th, 2017, 07:40 AM   #55
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I am eagerly waiting for Dubai City Tower.. I hope, we will have one in India too.
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Old February 17th, 2017, 12:20 AM   #56
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Originally Posted by BigBiggerBiggest View Post
ok here is a thought. Why not use the same design and shrink it to a more realistic size. Seeing as 1000m is the go to point for hypertalls these days, why not keep the beautiful design and its locall overlooking a (albeit man made) lake, but within the realms of reality and not just fantasy?
The problem is... if you keep the proportions while shrinking the design, you're cutting the floor area drastically too. If shrunk linearly by a factor of 2.4, each floor becomes only one-fifth of its previous size, and floor area was pretty sparse in the building to begin with.
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Old February 17th, 2017, 03:07 AM   #57
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This is amazing. They may get snow on the upper decks in winter.
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Old February 17th, 2017, 04:56 PM   #58
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Quote:
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guys there is a thread to discuss such issues

http://www.skyscrapercity.com/showth...1916572&page=8
Sure, responded there.
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Old February 20th, 2017, 07:45 PM   #59
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Is this currently in progress?
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Old February 21st, 2017, 12:01 AM   #60
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Is this currently in progress?
that's a fantasy that will never be build
If there is 2,4km tower one day , they will not be like this one
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