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



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Old September 9th, 2014, 11:04 PM   #8581
droneriot
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Quote:
Originally Posted by ThatOneGuy View Post
You could fit one aircon unit, I guess...
Everyone knows 100% of the building needs to be usable, with 0% aesthetic structure whatsoever. Otherwise, whoever built it is vain and wasted their money, right?
It could go either way. There's so little information released about the actual purpose of Kingdom City that whether it is a mere vanity project or a genius plan to make Saudi Arabia the world's leading economy is as good as anybody's guess.
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Old September 10th, 2014, 02:22 AM   #8582
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Quote:
Originally Posted by AltinD View Post
Once again:

[IMG]http://i57.************/2n1eybt.jpg[/IMG]
Amazing that the spire alone would be a supertall and the 45th tallest building in the world by itself.
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Old September 10th, 2014, 07:11 AM   #8583
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Can't wait to see some Russians sneak up to the top and take a selfie hahaha
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Old September 10th, 2014, 11:35 AM   #8584
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Can't wait to see some Russians sneak up to the top and take a selfie hahaha
I hope those guys are alive yet... Because Russia is sending their young boys nowadays to Ukraine as expendables, to kill them and dominate in Europe.
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Old September 10th, 2014, 12:11 PM   #8585
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Please keep this forum free of political talk and propaganda. The doubters and haters against this project were already enough of a burden.
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Old September 10th, 2014, 12:14 PM   #8586
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The Skyraft concept is interesting. Apparently the spire is heavy enough to necessitate a type of secondary foundation on top of the building. But it probably also is a small mat functioning as a TMD system for winds at that elevation and ties the core and wings together.

Since MPa is Metric, it appears that the "weakest" concrete in the tower at the top naturally is equivalent to about 5,500 PSI, and the strongest (B2-L99), is 85 MPa or about 12,000-13,000 PSI. Wow.
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Old September 10th, 2014, 12:20 PM   #8587
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I just feel mift that a 680 metre building was approved in Melbourne in the 1990's...no spire...just a roof at 680m and glass lifts that climbed up the corner of the obelisk...It would have been complete now and these try hard spires and masts would be waving in the wind...but then, they didn't build it...damn !
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Old September 10th, 2014, 12:44 PM   #8588
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Any picture for it? I couldn't find... Maybe it was canceled because of the obelisk shape. Some fanatics didn't like the idea, for example.
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Old September 10th, 2014, 01:55 PM   #8589
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Do you mean Grollo Tower?

Quote:
Originally Posted by Wikipedia

https://en.wikipedia.org/wiki/Grollo_Tower

The Grollo Tower was a proposed skyscraper development in the Docklands precinct of Melbourne, Australia. The developer was Grocon, a construction company owned by the Grollo family.

With an original proposed height of 678 m, which was later scaled down to 560 m, the skyscraper would have been the world's tallest at that time. The proposed tower was designed by Denton Corker Marshall and an earlier concept, located on a different site, was designed by Harry Seidler.

The idea was scrapped in April 2001 after Melbourne's Docklands Authority ruled it out of the tender for development of the Batman Hill's precinct. The area is now occupied by a mixture of smaller commercial and residential buildings.

The Denton Corker Marshall design was reported to be later commissioned for construction in Dubai, as the Burj Khalifa. However, the Burj Khalifa was eventually built to an entirely different design, by Skidmore, Owings and Merrill.

[img]http://i2.************/s63hc1.jpg[/img]
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Old September 10th, 2014, 02:09 PM   #8590
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Quote:
Originally Posted by redbaron_012 View Post
I just feel mift that a 680 metre building was approved in Melbourne in the 1990's...no spire...just a roof at 680m and glass lifts that climbed up the corner of the obelisk...It would have been complete now and these try hard spires and masts would be waving in the wind...but then, they didn't build it...damn !
That design also had vanity (unoccupied) height on top
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Old September 10th, 2014, 02:19 PM   #8591
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Which the developer then sold it's design to be used for BK wasn't it?
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Old September 10th, 2014, 03:06 PM   #8592
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From my understanding, SOM looked at Grollo Tower for the original (600ish meter) design of BK, but eventually changed the designed to a tripod shape, then progressively increased the height.

However, you can see some similar concept from Grollo to GF117 and even Ping-An. Even if it never got off the board, projects probably borrowed from the concept of it.
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Old September 10th, 2014, 03:56 PM   #8593
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Quote:
Originally Posted by The-Real-Link View Post
The Skyraft concept is interesting. Apparently the spire is heavy enough to necessitate a type of secondary foundation on top of the building. But it probably also is a small mat functioning as a TMD system for winds at that elevation and ties the core and wings together.

Since MPa is Metric, it appears that the "weakest" concrete in the tower at the top naturally is equivalent to about 5,500 PSI, and the strongest (B2-L99), is 85 MPa or about 12,000-13,000 PSI. Wow.
Any Tuned Mass Damper acts independently from the structure to counteract the movement of the building due to the wind loading. The "sky raft" acts to lock the wings or outer structural columns to the core and could be used as a base for a Tuned Mass Damper along with any structural steel spire.
So its interesting to see how part of the spire is to be formed in concrete, although looking closer it appears to be just a continuation of the outer fin wall.
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Old September 10th, 2014, 05:13 PM   #8594
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A concrete spire is not set in stone (pun intended). Both contractors and designers are open to the idea of building it out of steel
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Old September 10th, 2014, 06:05 PM   #8595
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Quote:
Originally Posted by billgates View Post
Amazing that the spire alone would be a supertall and the 45th tallest building in the world by itself.
Another way to look at that is the colossal amount of waste it involves. Do they not have hungry/homeless people in that country? Perhaps instead of building a monument to who has the biggest ***** (figuratively) in the region they could cap this thing at 670m and use the rest of the money on a more humanitarian purpose.
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Old September 10th, 2014, 06:11 PM   #8596
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Do they not have hungry/homeless people in that country?
One of the richer Arab League countries and it's citizens are mostly well off.
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Old September 10th, 2014, 06:42 PM   #8597
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I hope those guys are alive yet... Because Russia is sending their young boys nowadays to Ukraine as expendables, to kill them and dominate in Europe.
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Old September 10th, 2014, 06:45 PM   #8598
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Quote:
Originally Posted by FlyFish View Post
Another way to look at that is the colossal amount of waste it involves. Do they not have hungry/homeless people in that country? Perhaps instead of building a monument to who has the biggest ***** (figuratively) in the region they could cap this thing at 670m and use the rest of the money on a more humanitarian purpose.
They could have cut off the pointless vanity crown of the Chrysler Building and instead used that money to help the failing small businesses across NY during the Great Depression. But the filthy greedy bastards kept it

AND THEN they went and built the Empire State Building instead of caring for all those starving homeless in the city, just to overtake the Chrysler. And it remainded empty for like 20 years. What a bunch of superficial idiots, right?
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Old September 10th, 2014, 06:47 PM   #8599
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Quote:
Originally Posted by FlyFish View Post
Another way to look at that is the colossal amount of waste it involves. Do they not have hungry/homeless people in that country? Perhaps instead of building a monument to who has the biggest ***** (figuratively) in the region they could cap this thing at 670m and use the rest of the money on a more humanitarian purpose.



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Old September 10th, 2014, 07:09 PM   #8600
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THE REAL DIAGRAM!!!

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Last edited by P2000; September 11th, 2014 at 11:57 AM.
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