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Old December 7th, 2007, 10:22 PM   #4301
TheGlobalizer
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Harry, you're a soldier. Thanks.
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Old December 7th, 2007, 10:30 PM   #4302
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awesome pics! many many thx harry
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Old December 7th, 2007, 11:56 PM   #4303
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Amazing as always!
thanks a lot.
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Old December 8th, 2007, 12:00 AM   #4304
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Its a shame all supertalls cant advance like the chicago spire
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Old December 8th, 2007, 12:37 AM   #4305
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Wow awesome updates!, i love it..
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Old December 8th, 2007, 08:50 AM   #4306
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Man I just visited Chicago in July-August of this year, now I HAVE to go back in 2010 or 2012 to see how much it will have changed w/ the Spire, Trump, Waterview, Aqua, etc.
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Old December 8th, 2007, 09:21 AM   #4307
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These construction pics get me aroused in a manly sort of way. Go Chicago!
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Old December 8th, 2007, 11:56 AM   #4308
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Is this correct,
The concrete beam around the inside of the sheet pile wall is being held in place by a/the braces, b/ bond to the piles, and c/ overall compression caused by the soil pressure.
Also are the braces angle sections welded to the piles and cast into the concrete, and why not put it further down the pit where the soil pressure would be greater.
Cheers for any help
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Old December 8th, 2007, 12:24 PM   #4309
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yes it is correct.
and if they put it further down it would collaps on top of the ''core ring''
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Old December 8th, 2007, 12:43 PM   #4310
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Great pictures, the circular pit looks awesome...
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Old December 8th, 2007, 11:13 PM   #4311
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Quote:
Originally Posted by ngeorgiev View Post
rise baby rise
Not unitl Q3 of 2008.
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Old December 8th, 2007, 11:35 PM   #4312
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Quote:
Originally Posted by sky limit View Post
Is this correct,
The concrete beam around the inside of the sheet pile wall is being held in place by a/the braces, b/ bond to the piles, and c/ overall compression caused by the soil pressure.
Also are the braces angle sections welded to the piles and cast into the concrete, and why not put it further down the pit where the soil pressure would be greater.
Cheers for any help
Just guessing, but yes the pressure of the surrounding soil would compress that concrete ring as more material is removed. Those caissons look like they will be used for cross beams, so this could be the first level of a top down construction.
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Old December 9th, 2007, 12:07 AM   #4313
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Quote:
Originally Posted by Astounded View Post
Just guessing, but yes the pressure of the surrounding soil would compress that concrete ring as more material is removed. Those caissons look like they will be used for cross beams, so this could be the first level of a top down construction.
The ring is held up by rebar extending horizonatally from the wall ( and possibly the same brackets used in normal walls but these would be hidden below the ring).



The big pipes are sump holes - where water collects and pumped out





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Old December 9th, 2007, 12:35 AM   #4314
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Are the sheet piles and the ring just temporary or will they stay there?
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Old December 9th, 2007, 06:15 AM   #4315
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Quote:
Originally Posted by andydie View Post
Hiya guys,

the update 3 vid is online 4 u all to enjoy. Sadly i did it before harrys great post today so its till 12/6. Anyways heres the link, pure Spire this time, Ramps excluded:

http://de.youtube.com/watch?v=3ZDgY_KW4Z4

If ya would like an extra Ramps for the Spire vid, let me know, i could do one
your vids are great!
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Old December 9th, 2007, 08:33 AM   #4316
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Hi, guys! Congratulations on getting Chicago Spire out of the ground and on the rise. I've been so wrapped up with what's happening here in Miami that I missed the start of construction. I've always loved Chicago's long linear skyline. I find it to be much more civilized than New York's skyline. With the "boom" going on here, we are hoping to get our first supertall soon. Wish us luck! We are getting a beautiful linear skyline like yours here with skyscrapers along the inlet of the Miami River as well. What has made it to construction thus far gives us the 3rd biggest skyline in the U.S. I can hardly believe it myself! I've never been to Chicago, but planning to finally make it next year (maybe late spring). I would love to see it after the Chicago Spire is completed, but don't think I want to wait that long. I'm glad Chicago Spire made it to construction to give the U.S. a new tallest in spite of all else

Last edited by Quantum2010; December 9th, 2007 at 10:32 PM.
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Old December 9th, 2007, 01:42 PM   #4317
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Quote:
Originally Posted by harryc View Post
The ring is held up by rebar extending horizonatally from the wall ( and possibly the same brackets used in normal walls but these would be hidden below the ring).

The big pipes are sump holes - where water collects and pumped out
Just two small sump holes for that big area?

So maybe they will excavate all the way to the bottom, adding concrete ring supports at each level and build up from the bottom, the rings being incorporated into the structure.
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Old December 9th, 2007, 06:54 PM   #4318
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Quote:
Originally Posted by Astounded View Post
Just two small sump holes for that big area?
....
Those are 2-3' dia shafts - not exactly small
I hadn't noticed the holes to let water drain in.



Quote:
Originally Posted by Astounded View Post
...
So maybe they will excavate all the way to the bottom, adding concrete ring supports at each level and build up from the bottom, the rings being incorporated into the structure.
The rings don't appear to have the vertical stubs of rebar that would be needed to tie them into a core wall below and-or above them. My guess is that they will eachbe removed when the rising core wall reaches a safe distance below them ( close enough to make the lowest ring redundant ). That is only a guess.
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Last edited by harryc; December 9th, 2007 at 07:01 PM.
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Old December 9th, 2007, 06:58 PM   #4319
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anybody else get their Spire Christmas card? I got mine yesterday.
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Old December 9th, 2007, 11:45 PM   #4320
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did u sign up for anything to get one ?
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