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



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Old April 29th, 2016, 02:38 AM   #21
Meehoowk666
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Quote:
Originally Posted by Ch.W View Post
CTBUH has data about the gross floor area (GFA). Theese includes room for staircases, elevators, mechinery rooms, lobby and so on...
https://en.m.wikipedia.org/wiki/Floor_area_(building)
More meaningful would be the net internal area (NIA), but data about this are rare.
So i made a list to compare (interesting to know in generally) the megatalls.
Not added = no data
- Jeddah Tower - 1000m - 243,866 mē
- Burj Khalifa - 828m - 309,473 mē
- Suzhou Zhongnan Center - 729m - 500,000 mē
- Wuhan Greenland Center - 636m - 303,275 mē
- Shanghai Tower - 632m - 420,000 mē
- Merdeka PNB118 - 630m - 292,000 mē
- Rama IX Super Tower - 615m - 360,000 mē
- Makkah Royal Clock Tower - 601m - 310,638 mē

It's funny, just the tallest one has the least GFA

And now some buildings less than 600m
- Lotte World Tower - 555m - 304,081 mē
- One World Trade Center - 546m - 325,279 mē
- Guangzhou CTF - 530m - 398,000 mē
- Tianjin CTF Binhai Center - 530m - 252,144 mē
- China Zun Tower - 528m - 437,000 mē
- Guizhou Culture Plaza Tower - 521m - 290,000 mē
- Dalian Greenland Center - 518m -287,000 mē
- Taipei 101 - 508m - 198,347 mē

This lists shows in particular one thing: the GFA in relation to the hight vary extremly. In these hights a comparison isn't reasonable. You can't even say the higher the more space.
And proofs another thing: It's more a question of reputation, building landmarks and the race for the highest building as it has an economic sense.
But to come back to the question here are 5 supertalls about 300m
- Cayan Tower - 306m - 111,000 mē
- The Shard - 306m - 127,489 mē
- Two Prudential Plaza- 303m - 130,063 mē
- Wells Fargo Plaza - 302m - 170,362 mē
- Torre Costanera - 300m - 110,000 mē

And now making an average value for megatalls and compare this for the same average value of buildings about 300m.
The result:
Megatalls ~ 342,000 mē vs. 300m ~ 129,000 mē
I know this construct is very theoretical, but when someone find out the NIA for each building we could make an exact comparison. To sum up i can say that it seens reasonable to build 600m instead of 300m but only when you take a look at the floor space. But not necessarilly to increase the height from 600m to 1000m to have more space.
Yeah, i addressed that fact somewhere last year i guess on the Pingan IFC thread, but sadly i was ignored...

I posted the Willis Tower's GFA of 416.000mē by CTBUH and asked a question why the english wiki page states the Keangnam Hanoi Landmark Tower to have 609.673mē Floor area...they state it's of the single building!? And CTBUH has no information! That would be the most spacious supertall, by far. (in the wiki list of the worlds largest buildings by floor area it is stated to have 580,000 mē)

And also, if you look at ICC of Hongkong and SWFC of Shanghai, while almost having the same tip height, ICC has a square shape till the top while SWFCs edges are cut off to the top...and also it has a big hole there, so ICC should have more volume, but some internal space is lost apparently (381.600mē GFA of SWFC v 274.064mē GFA of ICC)

So until now Ping An IFC of Shenzhen should be GFA King with 459.525mē by CTBUH (but another source states 385.918mē) with Shanghai Tower in 2nd and Willis Tower in 3d Place (and the old 1 & 2 WTC in historical 3d with 418.500mē GFA)
China Zun Tower will soon take the 2nd (or first) place with its 437.000mē GFA
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Old April 29th, 2016, 03:19 AM   #22
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The first ever super tall building was the tower of babel there's different views on the height of that tower but I'm thinking it must've been pretty damn tall if God had to intervene
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Old April 29th, 2016, 11:18 AM   #23
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It'd be cool to name this section Hypertalls.
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Old April 29th, 2016, 02:43 PM   #24
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Good work Meehoowk666
It would be nice and revealing to have a list sortet by GFA or better NIA. Unfortunatelly CTBUH gives not the function to sort their lists by this category. And btw i also found different numbers in different sources. Seems to be more difficult as expected to be.
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Old April 29th, 2016, 04:26 PM   #25
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Quote:
Originally Posted by mrsmartman View Post
It'd be cool to name this section Hypertalls.
Maybe one day, or soon, this kind of category will be necessary 1000m+
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Old April 29th, 2016, 04:40 PM   #26
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Quote:
Originally Posted by DubaiM View Post
Could a mod please change the thread title to DISCUSS | Megatalls of the present and future? Since past and present is kind of the same in this case, since the first Megatall was just built a few years ago, it would be more logical


On the other hand...

Tower of Babel

http://enlightenedequine.com/2015/03...ower-of-babel/

Quote:
Height of the tower

The Book of Jubilees mentions the tower's height as being 5,433 cubits and 2 palms, or 2,484 m (8,150 ft), about three times the height of Burj Khalifa, or roughly 1.6 miles high.
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Old April 29th, 2016, 07:06 PM   #27
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Too bad the (right) gfa is wat harder to obtain than the building height.
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Old April 29th, 2016, 10:55 PM   #28
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Quote:
Originally Posted by Ivan the Immigrant View Post
On the other hand...

Quote:
Height of the tower

The Book of Jubilees mentions the tower's height as being 5,433 cubits and 2 palms, or 2,484 m (8,150 ft), about three times the height of Burj Khalifa, or roughly 1.6 miles high.
Well if it's in the Bible it must be true.
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Old April 29th, 2016, 11:21 PM   #29
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There was really a tower of babel. In 1913 the fundament structure was found.
It measures about 92m x 92m and the height was calculated with approximately 91m.
https://en.m.wikipedia.org/wiki/Tower_of_Babel
It was very likely a ziggurat building like this:

Building "the tower of babel" is until today a phrase for a extrem huge construction, often used to describe unprofitable and pointless projects with also extreme costs.
It's interesting because the babel tower was the maximum of hight in those ancient times. The first in modern language megatall! The egypt pyramids were build a bit later...and higher
So the question comes to mind: how tall can we build today?
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Old April 30th, 2016, 12:45 AM   #30
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For me the original Megatall has to be Frank Lloyd Wright's Mile High tower:

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Old April 30th, 2016, 01:48 AM   #31
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Quote:
Originally Posted by hunser View Post
New York:
- 55 Water Street (209m): 341,000 mē
The Venetian
Macau ,China

HEIGHT: 226m/744 feet
FLOORS: 39 floors

980,000 m2 (10,500,000 sq ft)

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Old April 30th, 2016, 02:39 AM   #32
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For me the king of all megatalls is 2400m Dubai Vertical City which I am still waiting for it to move from vision to reality

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Old April 30th, 2016, 02:48 AM   #33
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Making this new thread is a noble effort. I would say that the big problem with it, though, is that simply scrolling through the different threads shows that most of them are proposals - and would likely never be built.
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Old April 30th, 2016, 05:59 AM   #34
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Quote:
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For me the king of all megatalls is 2400m Dubai Vertical City which I am still waiting for it to move from vision to reality
Yeah that would be the ultimate hypertall. But could this actually be build?
Do we have the technic and know how for this? Or do we need totally new materials and construction concepts to solve all static and practical problems? Just imagine the cranes, the problem to pump concrete so hight, or the dimension of the elevators and so on...
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Old April 30th, 2016, 10:56 AM   #35
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Quote:
Originally Posted by Dave-in-Toronto View Post
Making this new thread is a noble effort. I would say that the big problem with it, though, is that simply scrolling through the different threads shows that most of them are proposals - and would likely never be built.
Completely agree. Mods please create a "Proposed Megatalls" sub section. The main section should only contain U/C and Approved.
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Old April 30th, 2016, 11:58 AM   #36
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For me, One Dubai was a true Megatall masterpiece



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Old April 30th, 2016, 12:20 PM   #37
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for me it's Al Burj / Nakheel tower. It's the only vision of that size that came far enough to start construction. Most visions are just nice picture without any testing on the models for stability etc, but Nakheel tower was far beyond that. it broke my heart when reality hit. While I prefer the second iteration as "Al Burj", the third iteration that was going to be built was the most amazing building that ever hit the "under construction" status, even when only shortly.
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Old April 30th, 2016, 06:27 PM   #38
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I just realized that there will be no Megatalls coming to North America anytime soon, unless I missed something.
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Old April 30th, 2016, 07:23 PM   #39
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Quote:
Originally Posted by Ch.W View Post
Yeah that would be the ultimate hypertall. But could this actually be build?
Do we have the technic and know how for this? Or do we need totally new materials and construction concepts to solve all static and practical problems? Just imagine the cranes, the problem to pump concrete so hight, or the dimension of the elevators and so on...
There is always a way I mean there was alot of obstacles in building Burj Khalifa but they were overcame to achieve this challenge and the moment they officially decide to build this tower they will make the necessary studies to achieve it .. check this link it gives so much more info about it

http://forum.skyscraperpage.com/showthread.php?t=156619
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Old April 30th, 2016, 09:59 PM   #40
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For me, The king was the mile tower. The beauty, the Height, the floor space... It was a master piece.
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