daily menu » rate the banner | guess the city | one on oneforums map | privacy policy | DMCA | news magazine | posting guidelines

Go Back   SkyscraperCity > World Development News Forums > General Urban Developments > DN Archives



Global Announcement

As a general reminder, please respect others and respect copyrights. Go here to familiarize yourself with our posting policy.


Reply

 
Thread Tools
Old February 23rd, 2009, 11:22 PM   #7641
Athinaios
3D geo-modeler
 
Athinaios's Avatar
 
Join Date: Mar 2008
Location: Kamień Pomorski, Stamford, CT, NYC
Posts: 430
Likes (Received): 136

Quote:
Originally Posted by buildmilehightower View Post
6 stories above ground isn't it?
exactly.
__________________
Check out the progress of the 1 World Trade Center (Freedom Tower) in Google Earth! :

One World Trade Center in Google Earth
Athinaios no está en línea   Reply With Quote

Sponsored Links
Old February 24th, 2009, 07:17 PM   #7642
CrazyAboutCities
Registered User
 
CrazyAboutCities's Avatar
 
Join Date: Feb 2007
Location: Seattle, Washington
Posts: 8,549
Likes (Received): 240

Excellent process! I have a question... I saw few pictures that shows one or two columns (corners) didn't have any supports below it. Can anyone please explain that?
CrazyAboutCities no está en línea   Reply With Quote
Old February 24th, 2009, 07:26 PM   #7643
Gendo
Registered User
 
Gendo's Avatar
 
Join Date: Dec 2003
Location: SE Idaho
Posts: 1,548
Likes (Received): 77

Yeah, I'm curious what's going on with that steel. Those steel columns look very skinny to be supporting this tower, but maybe if they're going into the concrete core with lots of rebar it makes more sense. The floater columns on the end are very unusual.

Could it be that they're part of the slip form/crane jacking system, not the building's structure? Guess we'll have to see more progress to understand what's happening here since I'm sure the blueprints are closely guarded secrets.

In any event, I'm glad to see upward progress accelerating.

Last edited by Gendo; February 24th, 2009 at 07:32 PM.
Gendo no está en línea   Reply With Quote
Old February 24th, 2009, 07:35 PM   #7644
christos-greece
Moderator!
 
christos-greece's Avatar
 
Join Date: Feb 2008
Posts: 173,948
Likes (Received): 240903

Quote:
Originally Posted by CrazyAboutCities View Post
Excellent process! I have a question... I saw few pictures that shows one or two columns (corners) didn't have any supports below it. Can anyone please explain that?
From EarthCam:

dark red line is one of the columns, white line its the north core. Probably those columns "waiting" the core to reach the same level, to continue rising the tower.
__________________
Urban Showcase: Athens Kalamata Trikala Thessaloniki
Cityscapes: Paris Barcelona Dubai, U.A.E. Monte Carlo, Monaco
General photography: Castles of France - Chateau de France and, since May of '08: Greece!
christos-greece está en línea ahora   Reply With Quote
Old February 24th, 2009, 08:28 PM   #7645
RKOwens
Registered User
 
RKOwens's Avatar
 
Join Date: Aug 2008
Posts: 227
Likes (Received): 0

Quote:
Originally Posted by webeagle12 View Post
Q1 2009: Begin Fulton Street Deck

http://www.panynj.gov/wtcprogress/milestones.html

P.S: hmm well concrete pump truck showed up and left 3 hours later, no concrete was pumped. oh well
The decking described in the report was the steel decking over the arches already completed. The decking is different than the actual road.
RKOwens no está en línea   Reply With Quote
Old February 24th, 2009, 09:52 PM   #7646
the sock
Registered User
 
the sock's Avatar
 
Join Date: Jun 2007
Posts: 1,725
Likes (Received): 80

so why wasnt the north core built at the same time so the steel could be erected correctly on top ?
the sock no está en línea   Reply With Quote
Old February 24th, 2009, 10:40 PM   #7647
scalziand
Naugatuckian
 
Join Date: Oct 2007
Location: Naugatuck, CT
Posts: 455
Likes (Received): 181

Quote:
Originally Posted by the sock View Post
so why wasnt the north core built at the same time so the steel could be erected correctly on top ?
The north core has to wait because of the PATH lines running beneath it.
scalziand no está en línea   Reply With Quote
Old February 25th, 2009, 12:11 AM   #7648
meh_cd
Registered User
 
meh_cd's Avatar
 
Join Date: Jan 2008
Posts: 874
Likes (Received): 123

Quote:
Originally Posted by Gendo View Post
Yeah, I'm curious what's going on with that steel. Those steel columns look very skinny to be supporting this tower, but maybe if they're going into the concrete core with lots of rebar it makes more sense. The floater columns on the end are very unusual.

Could it be that they're part of the slip form/crane jacking system, not the building's structure? Guess we'll have to see more progress to understand what's happening here since I'm sure the blueprints are closely guarded secrets.

In any event, I'm glad to see upward progress accelerating.
It's been explained on here several times, and we even have at least one forum member with a set of blueprints. ZenSteelDude is very helpful.
meh_cd no está en línea   Reply With Quote
Old February 25th, 2009, 12:49 AM   #7649
ramvid01
Registered User
 
Join Date: May 2005
Location: NYC
Posts: 749
Likes (Received): 68

Looks like they raised the core forms on the north core today for the first time in...well a while put it that way .
ramvid01 no está en línea   Reply With Quote
Old February 25th, 2009, 03:10 AM   #7650
webeagle12
Registered User
 
webeagle12's Avatar
 
Join Date: Oct 2007
Location: Albany
Posts: 1,738
Likes (Received): 415

they raised north core just after 5pm, I cant breath
webeagle12 no está en línea   Reply With Quote
Old February 25th, 2009, 03:14 AM   #7651
CrazyAboutCities
Registered User
 
CrazyAboutCities's Avatar
 
Join Date: Feb 2007
Location: Seattle, Washington
Posts: 8,549
Likes (Received): 240

Quote:
Originally Posted by christos-greece View Post
From EarthCam:

dark red line is one of the columns, white line its the north core. Probably those columns "waiting" the core to reach the same level, to continue rising the tower.
Thanks for the explanation. That is very interesting that they installed it anyway when the north core didn't rise first to support the column.
CrazyAboutCities no está en línea   Reply With Quote
Old February 25th, 2009, 03:46 AM   #7652
Uaarkson
Sheet Metal Sketcher
 
Uaarkson's Avatar
 
Join Date: Feb 2009
Location: East Side Flint
Posts: 2,528
Likes (Received): 1032

If they waited for the north core then that just would have been another two weeks of erecting steel that they could have gotten out of the way earlier.
Uaarkson no está en línea   Reply With Quote
Old February 25th, 2009, 04:32 AM   #7653
webeagle12
Registered User
 
webeagle12's Avatar
 
Join Date: Oct 2007
Location: Albany
Posts: 1,738
Likes (Received): 415

Quote:
Originally Posted by Uaarkson View Post
If they waited for the north core then that just would have been another two weeks of erecting steel that they could have gotten out of the way earlier.
They cant add anymore steel for now( for 10th time in a row). In order to add any more steel they have to jump cranes up. In a order to do that, they have to have concrete base/core. There has been a big discussion about how this cranes work.

this is back to dec 14 discussion:


Last edited by webeagle12; February 25th, 2009 at 05:09 AM.
webeagle12 no está en línea   Reply With Quote
Old February 25th, 2009, 05:10 AM   #7654
OptomistOne
Registered User
 
OptomistOne's Avatar
 
Join Date: Sep 2006
Location: Hobart
Posts: 3,514
Likes (Received): 533

Shifty Steel???

Okay, I am no expert either but it seems to me that no way is the steel work seen so far hefty enough to support a 500m high building.

For example, compare it with the structural steel going up for the Heron Tower in London, which is half the height of Freedom! The Heron's beams seem to be twice the size in thickness and density.

http://www.flickr.com/photos/2841822...en/2009/02/23/

Perhaps, as suggested it is a form of reinforcing for the concrete core and once it reaches its planned height, more susbtantial supporting steelwork will then start being used.

However, I am happy to admit that I could be completely wrong and would appreciate being corrected by an expert.
OptomistOne no está en línea   Reply With Quote
Old February 25th, 2009, 05:39 AM   #7655
Ebola
BANNED
 
Join Date: Mar 2006
Location: New York City
Posts: 1,658
Likes (Received): 94

Clearly, the steel is so weak like that so that it can be knocked over easily and a bunch of elite jews and fat cats can get support and money and advance their plans for world domination; any other theory is just plain piffle.
Ebola no está en línea   Reply With Quote
Old February 25th, 2009, 05:40 AM   #7656
meh_cd
Registered User
 
meh_cd's Avatar
 
Join Date: Jan 2008
Posts: 874
Likes (Received): 123

Quote:
Originally Posted by OptomistOne View Post
Okay, I am no expert either but it seems to me that no way is the steel work seen so far hefty enough to support a 500m high building.

For example, compare it with the structural steel going up for the Heron Tower in London, which is half the height of Freedom! The Heron's beams seem to be twice the size in thickness and density.

http://www.flickr.com/photos/2841822...en/2009/02/23/

Perhaps, as suggested it is a form of reinforcing for the concrete core and once it reaches its planned height, more susbtantial supporting steelwork will then start being used.

However, I am happy to admit that I could be completely wrong and would appreciate being corrected by an expert.
Come on man, read the thread. It's been said a thousand times that the steel will be encased in concrete.
meh_cd no está en línea   Reply With Quote
Old February 25th, 2009, 05:47 AM   #7657
Gendo
Registered User
 
Gendo's Avatar
 
Join Date: Dec 2003
Location: SE Idaho
Posts: 1,548
Likes (Received): 77

Quote:
Originally Posted by meh_cd View Post
It's been explained on here several times, and we even have at least one forum member with a set of blueprints. ZenSteelDude is very helpful.
Thanks. As if I have time to look through 154 pages for that.

How 'bout you try not to be so condescending next time...
Gendo no está en línea   Reply With Quote
Old February 25th, 2009, 05:49 AM   #7658
Ebola
BANNED
 
Join Date: Mar 2006
Location: New York City
Posts: 1,658
Likes (Received): 94

Cut out the moaning and whining and it's only 14 pages.
Ebola no está en línea   Reply With Quote
Old February 25th, 2009, 06:06 AM   #7659
Uaarkson
Sheet Metal Sketcher
 
Uaarkson's Avatar
 
Join Date: Feb 2009
Location: East Side Flint
Posts: 2,528
Likes (Received): 1032

Quote:
Originally Posted by webeagle12 View Post
They cant add anymore steel for now( for 10th time in a row). In order to add any more steel they have to jump cranes up. In a order to do that, they have to have concrete base/core. There has been a big discussion about how this cranes work.

this is back to dec 14 discussion:

I was trying to explain why the steel that's been put up was done so without waiting on the north core.

But that's okay, instead of reading the post I was responding to and understanding the context, you can go ahead and continue to get worked up over nothing.

Last edited by Uaarkson; February 25th, 2009 at 06:12 AM.
Uaarkson no está en línea   Reply With Quote
Old February 25th, 2009, 06:10 AM   #7660
Gendo
Registered User
 
Gendo's Avatar
 
Join Date: Dec 2003
Location: SE Idaho
Posts: 1,548
Likes (Received): 77

Quote:
Originally Posted by Ebola View Post
Cut out the moaning and whining and it's only 14 pages.
I guess if you changed your settings. I could restate that I'm not combing through 7665 replies to find the info he refers to.

Seems to me its Meh_CD doing the moaning and whining about those of us who asked the question (I noticed I wasn't the only one in the last 2 pages).
Gendo no está en línea   Reply With Quote


Reply

Tags
construction updates, development, ground zero, manhattan, new york city, nyc, port authority, supertall, world trade center

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Related topics on SkyscraperCity


All times are GMT +2. The time now is 10:16 AM.


Powered by vBulletin® Version 3.8.11 Beta 4
Copyright ©2000 - 2017, vBulletin Solutions Inc.
Feedback Buttons provided by Advanced Post Thanks / Like (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.

SkyscraperCity ☆ In Urbanity We trust ☆ about us | privacy policy | DMCA policy

Hosted by Blacksun, dedicated to this site too!
Forum server management by DaiTengu