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Old February 15th, 2017, 04:49 PM   #7541
victor del rey
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How tall is it by now?
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Old February 15th, 2017, 05:01 PM   #7542
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I would say about 90-100m, itīs hard to estimate the current height.
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Old February 16th, 2017, 04:57 AM   #7543
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The exact same height as its been since early sept. j
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Old February 16th, 2017, 08:27 PM   #7544
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Quote:
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The exact same height as its been since early sept. j
The cantilever must be one of the most complex undertakings in skyscraper history. Must be 80 stories hanging off!!!
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Old February 17th, 2017, 01:32 AM   #7545
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That's why it's so slow right now. They have to get the structure right in order to allow for the base of the Cantilever because it all rests on that point.
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Old February 17th, 2017, 02:41 PM   #7546
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sorry but what is a cantilever, you talk about that exterior Elevator?
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Old February 17th, 2017, 06:37 PM   #7547
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It's the part that is gonna be suspended with nothing beneath it.

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Old February 17th, 2017, 08:52 PM   #7548
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Quote:
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Must be 80 stories hanging off
Is that true? Is the core offset, too, or is it a regular straight vertical core?

I can't see that in the schematics (and in either case the load hanging off of that core will be hugely unbalanced, of course).
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Old February 18th, 2017, 06:39 PM   #7549
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will there still be a spire on top?
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Old February 18th, 2017, 08:34 PM   #7550
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Quote:
Originally Posted by the man from k-town View Post
sorry but what is a cantilever, you talk about that exterior Elevator?
Cantilevers:


http://www.wright-house.com/frank-ll...ingwater-1.jpg
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Old February 18th, 2017, 11:34 PM   #7551
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A cantilever is an engineering/physics concept where you suspend something above open space or without real support by transferring the force across a lever.

Imagine you take a ruler, put it half off a table, and put something heavy on the end. It will fall down. Now hold the other end down with your hand and try again. Simple cantilever.
Oh damn.. now I feel bad about my retarded explanation
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Old February 19th, 2017, 02:55 AM   #7552
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Oh damn.. now I feel bad about my retarded explanation
Your explanation was excellent.
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Old February 20th, 2017, 10:27 AM   #7553
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thanks for the Support. i got some gift for you

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Old February 22nd, 2017, 09:40 PM   #7554
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21 February 2017


Central Park Tower by tectonic Photo on Flickr


Central Park Tower by tectonic Photo on Flickr
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Old February 22nd, 2017, 09:46 PM   #7555
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The cantivelar is clearly visible and it grew by a few floors already, we have definatly progress here.
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Old February 24th, 2017, 07:50 AM   #7556
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December 10



February 20, one floor in over two months. We are watching snail race between 1CP and 111 W 57th.



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Old February 24th, 2017, 08:50 AM   #7557
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The cantivelar looks scary, crazy they can build such a feature for such a very tall building. Also, I havenīt expected this one to be THAT slim. It suprises me a little.

Also, in the pictures of dec 10 and feb 20, you can see they have done a lot of work on the cantivelar in that time, and the one floor above it. You can also see the core already peaking above. I guess we can expect faster progress in the coming two weeks or so. Fingers crossed.
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Old March 9th, 2017, 04:35 PM   #7558
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Dunno why but i'm reminded of the tower 42 construction, however its 3 'leaves' are cantilevered in a way that they sort of balance each other out but I do see that on past construction photo's that the core had to be like 10 floors above the cantilevers before the floors could be built.

In central park tower however the cantilever looks a tad smaller because the tower is sleeker, but it's all physically possible to withstand the amounts of pressure the many floors above it will have. Maybe this is slower because the basement needs reinforcing for the tall core?
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Old March 9th, 2017, 06:03 PM   #7559
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Quote:
Originally Posted by germantower View Post
The cantivelar looks scary, crazy they can build such a feature for such a very tall building. Also, I havenīt expected this one to be THAT slim. It suprises me a little.

Also, in the pictures of dec 10 and feb 20, you can see they have done a lot of work on the cantivelar in that time, and the one floor above it. You can also see the core already peaking above. I guess we can expect faster progress in the coming two weeks or so. Fingers crossed.
Actually this is not the first time a cantilever has been used in a NYC skyscraper. The Citigroup Center also uses one; each of it corners are cantilevered out 72 feet.

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Old March 9th, 2017, 11:53 PM   #7560
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Per nyc1's post over on YIMBY, the first facade panels have been mounted on the base.







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