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Old July 13th, 2012, 12:02 AM   #11321
Eric Offereins
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Quote:
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The core seems to have slowed down a lot in its upward velocity...
It is well ahead of the main structure. No problem.
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Old July 13th, 2012, 05:59 AM   #11322
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Some more shots from today

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Old July 13th, 2012, 06:10 AM   #11323
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thanks for the pics
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Old July 13th, 2012, 07:20 AM   #11324
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Yeah! thanks a lot for the pics. This skyscraper is one of my favorites in the world
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Old July 13th, 2012, 09:02 AM   #11325
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For those horizontal circular bars (or beam? pole?) connecting the inner and outer walls, are they in tension or compression? I know those diagonal cables support by pulling the outer wall in position, but if those circular bars are there to hold the outer circular steel rings, then wouldn't they be better if they're in the form of I-shape beam? I don't hear much about round-shape beams. All those supports and connections between the 2 walls are a bit complicated for me.
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Old July 13th, 2012, 09:45 AM   #11326
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Old July 13th, 2012, 10:55 AM   #11327
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Quote:
Originally Posted by -TDN- View Post
For those horizontal circular bars (or beam? pole?) connecting the inner and outer walls, are they in tension or compression? I know those diagonal cables support by pulling the outer wall in position, but if those circular bars are there to hold the outer circular steel rings, then wouldn't they be better if they're in the form of I-shape beam? I don't hear much about round-shape beams. All those supports and connections between the 2 walls are a bit complicated for me.
I think they are mostly under compression, they transfer part of the weight of the curtain wall and most of the windforces. What I can remember is that circular-shaped (holow)beams or columns are efficient regarding transfer of compressional forces. I-beams are very usefull carrying loads over their length. E.g. a toilet paper roll is quite strong when you compress it from top and bottom, but its weak when you press it from its side.
I guess using I-beams would be possible,(Ie.g. for the circular steel rings where the glass is attached to) but problaly unnecessary heavier and less pretty
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Old July 13th, 2012, 11:01 AM   #11328
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cladding is ready to install . come on i want to see it now
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Old July 13th, 2012, 11:23 AM   #11329
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Before the end of the world von golf9c9333 auf Flickr

7.8.

http://www.flickr.com/photos/vivianjz/7543493766/


7.10

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Old July 13th, 2012, 05:02 PM   #11330
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Quote:
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cladding is ready to install . come on i want to see it now
Interesting, how they gonna install them from the inside? I thought they will be installed by the cranes.
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Old July 13th, 2012, 05:05 PM   #11331
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Using the cranes to installing the cladding would slow the construction down to much and waste a lot of money, what they will probably do is use a mini crane / pulley a few floors above where there installing the glass to lift the pieces into place......Thats what they seem to do on a lot of other projects at least
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Old July 13th, 2012, 05:17 PM   #11332
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Nice growth! So fast.
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Old July 13th, 2012, 05:48 PM   #11333
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A few days ago, sorry about the poor angles/quality:






The upper shots taken from SFC.

Last edited by Igor Antunov; July 13th, 2012 at 05:54 PM.
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Old July 13th, 2012, 05:55 PM   #11334
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Quote:
Originally Posted by Eastern37 View Post
Using the cranes to installing the cladding would slow the construction down to much and waste a lot of money, what they will probably do is use a mini crane / pulley a few floors above where there installing the glass to lift the pieces into place......Thats what they seem to do on a lot of other projects at least
I see, they could use the same mini crane that lifted the platforms to install outer cladding support, but i still dont see why they are piling up the glasses inside the tower.
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Old July 13th, 2012, 07:12 PM   #11335
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They are probably putting inside because the pulleys/mini cranes wouldn't be able to reach them from the ground, so they have to be placed higher?
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Old July 13th, 2012, 07:50 PM   #11336
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Quote:
Originally Posted by Hidde78 View Post
I think they are mostly under compression, they transfer part of the weight of the curtain wall and most of the windforces. What I can remember is that circular-shaped (holow)beams or columns are efficient regarding transfer of compressional forces. I-beams are very usefull carrying loads over their length. E.g. a toilet paper roll is quite strong when you compress it from top and bottom, but its weak when you press it from its side.
I guess using I-beams would be possible,(Ie.g. for the circular steel rings where the glass is attached to) but problaly unnecessary heavier and less pretty
And shear forces as well, huh? As the horizontal bars are connected by cables I guess its weight is pushing down creating a combination of flexion and shearing on the inner truss.
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Old July 13th, 2012, 10:46 PM   #11337
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When is it scheduled to be opened ?
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Old July 14th, 2012, 12:08 AM   #11338
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It doesnt look tall in those photos, probably because of no glass.
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Old July 14th, 2012, 12:45 AM   #11339
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Quote:
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It doesnt look tall in those photos, probably because of no glass.
yes and because it's a massive structure.
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Old July 14th, 2012, 01:47 AM   #11340
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It doesnt look tall in those photos, probably because of no glass.
Besides being a very wide tower, it also has two 400m plus neighbors, making it less noticeable. But that changes if this one grows higher.
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