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Megatalls Discussions of projects under construction at least 600m/2,000 ft tall.



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Old December 27th, 2013, 03:02 AM   #661
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Very lovely design! One of the best in the world, for sure inside the top 5 of the most beautiful when finished !
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Old December 27th, 2013, 07:48 AM   #662
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Quote:
Originally Posted by ZZ-II View Post
Wow, thx for that massive update

Seems we're very close to the big pour! Steel is laid and they installed slides for the concrete .
But the slides are new to me, never seen that before at a project. Probably because the raft foundation will be very big.
Don't forget the chutes used at Pingan.
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Old December 27th, 2013, 12:44 PM   #663
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Old December 27th, 2013, 03:32 PM   #664
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Photos copyright: RickBlaine

Dec 27.





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Old December 27th, 2013, 05:51 PM   #665
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This building will really be striking to the eye once it's completed. It really looks modern 21st century , very stylistic.
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Old December 27th, 2013, 05:53 PM   #666
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What are those green long things?
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Old December 27th, 2013, 06:16 PM   #667
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Safety nets.
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Old December 27th, 2013, 08:17 PM   #668
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What a massive underground construction.
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Old December 27th, 2013, 09:11 PM   #669
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Is that long structure meant to place the concrete in the base?
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Old December 27th, 2013, 10:42 PM   #670
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Quote:
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Is that long structure meant to place the concrete in the base?
Yes
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Old December 28th, 2013, 02:42 PM   #671
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Now is time to pour pools and pools of concrete to fill that hole.
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Old December 31st, 2013, 10:48 AM   #672
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Old December 31st, 2013, 01:15 PM   #673
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They're pouring finally

How long will the concrete need to dry out?
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Old December 31st, 2013, 01:46 PM   #674
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Concrete will become dry within 24 hrs of placing but needs 28 days of curing (std. time). But these timings depend on type of cement and admixtures being used in the concrete.
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Old December 31st, 2013, 01:49 PM   #675
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do they poor the foundation plate in one piece?











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Old December 31st, 2013, 02:37 PM   #676
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Quote:
Originally Posted by _Forum_ View Post
Concrete will become dry within 24 hrs of placing but needs 28 days of curing (std. time). But these timings depend on type of cement and admixtures being used in the concrete.
so we'll have to wait arround 4 weeks until we'll see new progress.
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Old December 31st, 2013, 04:20 PM   #677
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What I mentioned in the previous post is the hardening and curing time for ordinary portland cement without any accelerating admixtures.

But the use of rapid hardening cement and accelerators the timings will vary by large amount.
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Old December 31st, 2013, 04:48 PM   #678
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I wonder how many cubic meters of concrete was poured, and how close it was to the world record for a raft?
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Old December 31st, 2013, 05:13 PM   #679
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32000 cubic meters of concrete is poured into the raft.
Shanghai tower created world record for "single largest raft pour" at 60000 cubic meters

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Last edited by _Forum_; December 31st, 2013 at 05:49 PM. Reason: to fix the link
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Old January 4th, 2014, 06:13 AM   #680
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Photo copyright: cpy621006

Jan 4.

Can make out the tower base here

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