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Old November 23rd, 2012, 08:48 PM   #941
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Quote:
Originally Posted by LeCom
5 floors per day... Even assuming a 10 hour work day, it would mean one floor per 2 hours, and that's not counting time allocation for unforseen holdups, building the base, installing the antenna and doing exterior landscaping... Really?
I guess they'll work 24/7.
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Old November 23rd, 2012, 08:54 PM   #942
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Old November 23rd, 2012, 11:32 PM   #943
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Quote:
Originally Posted by AUTOTHRILL View Post
This will be able to withstand a magnitude 9 earthquake.
Unfortunately that doesn't really tell us anything. Because the Moment Magnitude scale is designed to measure the total energy output of an earthquake; not it's effect on buildings. What we need are P.G.A (peak ground acceleration) aka "design basis earthquake ground motion" values.
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Old November 23rd, 2012, 11:44 PM   #944
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compare this project with one wtc, the actual wtc project a fart in space when it goes in slow motion. Outrageously how slowly the scraper moves forward and the whole building is of course a mockery of what was before. Seems that New York loses its shine from every day unfortunately. This is the future, aiming for the stars. Watch and learn on how Chna do
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Old November 23rd, 2012, 11:51 PM   #945
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There are buildings that have risen much more slowly than 1WTC.
No point comparing 1WTC to anything, anymore. Especially this one.
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Old November 24th, 2012, 01:15 AM   #946
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Old November 24th, 2012, 01:35 AM   #947
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looks like it would have no core indeed. no way that thing would have the stability without a massive core.
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Old November 24th, 2012, 01:36 AM   #948
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nice renders

Quote:
Originally Posted by Gwellbeing View Post
Here's several more artist's impression of the proposed supertall




http://inequalityreduced.blogspot.co...rlds-best.html
these make the design look a lot more slender than earlier depictions. liking it... slowly.
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Old November 24th, 2012, 02:05 AM   #949
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Quote:
Originally Posted by KillerZavatar View Post
looks like it would have no core indeed. no way that thing would have the stability without a massive core.
+1 I think it's a fake looool,I wait 1st April 2013 for the opening,maybe it's an April Fools' Day
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Old November 24th, 2012, 02:59 AM   #950
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Quote:
Originally Posted by smfarazm.. View Post
I love how they put the CN tower for comparison reasons!
.
.
.
.
PS those new renders with blue glass are sleek af!
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Old November 24th, 2012, 04:17 AM   #951
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Quote:
Originally Posted by KillerZavatar View Post
looks like it would have no core indeed. no way that thing would have the stability without a massive core.
The strength to weight ratio of this building is many times better than a typical 'supertall'.

Also, see http://en.wikipedia.org/wiki/Skyscraper and http://www.allaboutskyscrapers.com/skyscraper_design .

Wikipedia
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Old November 24th, 2012, 06:10 AM   #952
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^ Would this building be considered a type of framed tube, then?

Edit: and where on this chart are the supertall East Asian skyscrapers with concrete supercolumns running the whole height of the building, surrounding a concrete core?
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Old November 24th, 2012, 06:29 AM   #953
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Neat diagrams and illustrations there. I'd imagine that the supercolumned designs we're seeing now could be an extension of the bundled tube concept in that the 9-tubes now make up simply the core of the building instead of the whole structure, ala Ping-An. Towers such as Kingdom Tower and the Burj however, should get a Type V system however since none of these previous solutions can really be extrapolated into a butressed core design.

That or tubular design with mega columns and trusses (like Taipei 101) could become a Type V and the butressed core becomes a Type VI.
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Old November 24th, 2012, 11:52 AM   #954
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That diagram is for steel structures, and we saw how ''tough'' Type 4 was on impact.
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Old November 24th, 2012, 12:11 PM   #955
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I have to admit that I have never heard of the city Changsha.
This city will definitely be put on the map if this project becomes reality.

According to http://en.wikipedia.org/wiki/Changsha#Economy:

Quote:
Changsha is one of China's 20 most "economically advanced" cities. In 2008, Changsha's nominal GDP was ¥300.1 billion (US$43 billion), a year-on-year growth of 15.1% from the previous year. Its per capita GDP was ¥45,765 (US$6,589).[5] Its GDP grew at an average of 14% per year from 2001 to 2005, compared to the national average of 9% in the period.
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Old November 24th, 2012, 12:32 PM   #956
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Quote:
Originally Posted by evilbu View Post
I have to admit that I have never heard of the city Changsha.
This city will definitely be put on the map if this project becomes reality.

According to http://en.wikipedia.org/wiki/Changsha#Economy:

The four Chinese cities with the highest GDP - Shanghai, Beijing, Guangzhou and Shenzhen - are the bottom four in a ranking of 40 major cities in the country based on the property-ownership rate, according to the survey conducted by the Real Estate Investment Research Center of Zhejiang University, the Tsinghua Media Survey Lab and China Xiaokang magazine.

According to the survey, which had over 10,000 respondents, Changsha - the capital city of Central China's Hunan province - has the highest home-ownership rate. More than 90 percent of residents there own at least one apartment, while Shanghai has the lowest rate, at about 68 percent.


- Updated: 2012-06-05 20:34 , http://usa.chinadaily.com.cn/china/2...t_15476592.htm
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Old November 24th, 2012, 12:58 PM   #957
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Quote:
Originally Posted by AltinD View Post
That diagram is for steel structures, and we saw how ''tough'' Type 4 was on impact.
They can add precast concrete walls/panels to the 'core' if they want I guess.


For example:

Source: http://printexprecastconcrete.com/de...portfolioid=42
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Old November 24th, 2012, 04:40 PM   #958
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Let's look back at the original design of the tower. We can clearly see that the core of the tower would still be reinforcing the structure. I suppose that they might have completely redesigned the tower since then.


Last edited by TheZoolooMaster; November 24th, 2012 at 04:53 PM.
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Old November 24th, 2012, 04:59 PM   #959
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Floor 200 was at 666m at the old version. Now we've 220 floors...maybe the highest floor will reach 700m now .
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Old November 24th, 2012, 05:07 PM   #960
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Quote:
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+1 I think it's a fake looool,I wait 1st April 2013 for the opening,maybe it's an April Fools' Day
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