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Supertalls Discussions of projects under construction between 300-599m/1,000-1,999ft tall.
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Old June 8th, 2008, 12:39 PM   #1101
Tag_one
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Quote:
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Right. But I thought it is used not only to prevent the hole from collapsing. I did not say about this role of the bentonite, because I was explaining what the separator was for.
So, do you think another liquid is used to pump out the ground?
It's possible but quite expensive and slow. A normal slurry wall excavator is much more common as it is faster and it can be mounted on a simple crawler crane like this one:


The bentonite storage and cleaning is normally not very large. A small shed and some silo's are enough. The large temporary shed they build on the site is probably for the assembling of the rebar cages for the piles and the slurry wall. This way work can continue during the winter when it's to cold to work outside.
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Old June 8th, 2008, 01:02 PM   #1102
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Quote:
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A normal slurry wall excavator is much more common as it is faster and it can be mounted on a simple crawler crane like this one:
The normal excavator you posted is used only at the beginning of the excavation. The slurry wall for the Russia Tower will be 50 metres tall or more.
The ground becomes very hard soon. So we use another machine.







So this equipment requires much liquid to pump out the ground because it can not do it itself like a normal excavator.

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Originally Posted by Tag_one View Post
The large temporary shed they build on the site is probably for the assembling of the rebar cages for the piles and the slurry wall. This way work can continue during the winter when it's to cold to work outside.
Sorry, but you are wrong. These are parts of the separator.



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It's possible but quite expensive and slow.
You are right
It is expensive and slow.
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Last edited by Brad; June 8th, 2008 at 01:36 PM.
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Old June 8th, 2008, 02:11 PM   #1103
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Oh I see. 50 meters, thats quite deep. I'm sure it will be a cool excavation to watch
They will indeed pump bentonite into the hole do carry the soil out of it. Never knew you need such a big plant for the separator
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Old June 8th, 2008, 02:49 PM   #1104
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Do you think the constructors are more stupid than you? (as far as the construction is concerned)
All the temporary buildings in the middle (you are worried about) are called temporary because they are temporary. They are used to construct the slurry wall by a slurry wall company that was hired to build the slurry wall only. The works take place NOT in the middle of the plot, but along the perimeter. When the slurry wall is built the company will leave the plot with their equipment. The temporary buildings (for instance, the separator) will be demolished becaused it can be used only for the separation works. A special liquid is used to pump out the ground. In order to reuse it again it's necessary to separate the liquid from the pieces of ground, stones etc.
Take a look at the Chicago Spire thread. They also built a large slurry wall (much of it during the winter) and never built any temporary structures.
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Old June 8th, 2008, 03:05 PM   #1105
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I don't know but it's probably cheaper to build a temporary structure for Russia Tower than to transport all the stuff which probably happens in Chicago. They don't build such a large shed without a good reason.
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Old June 9th, 2008, 02:25 PM   #1106
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I hope they can pick up the speed a little, can't wait for this tower to go up
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Old June 10th, 2008, 12:47 AM   #1107
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This render is stunning but it doesn't show the right hight of the Russia Tower. It shows the height around 300 m - only the half of the real hight. The photo was taken from the Federation tower, that is 240 m tall.
Taking into consideration that the Russia Tower is going to be 612 m, the render should have been made over a photo shot from a helicopter

you're right, videos from burj dubai from around 610 metres high show very very far up and can see so far away. This version of Russia tower looks like its tiny and almost touching the ground. I'm sure when more realistic renders come out, the view from top of render russia tower will be spectacular.

I think Moscow's 1,081 km squared, so can you see edge of Moscow city from top of russia tower? or even further on...
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Old June 10th, 2008, 02:01 AM   #1108
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urban area is a bit larger - some 2500 sq km. a lot of satellite cities bordering just by streets.
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Old June 10th, 2008, 06:07 AM   #1109
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Quote:
Originally Posted by Msradell View Post
Take a look at the Chicago Spire thread. They also built a large slurry wall (much of it during the winter) and never built any temporary structures.
Thank you Brad for the photos and explanations !

The HydroFraise does not dig out the soil the way it is done in Chicago and other places where a clamshell scoop is used, the slurry being in the hole to keep the sides apart. With the Hydrofraise the grinders mix the soil with the slurry and the slurry is pumped up to the top where the soil is separated out ( in those big sheds )


In Chicago - Cleaning the bentonite slurry.

Removing the soil ( clay here )


The slurry wall built for the Chicago Spire goes down about 25 meters, nearly as far as the clay does, we have bedrock at less than 40 meters.
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Old June 10th, 2008, 12:38 PM   #1110
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Is there a website or any info that tells us rough measure of whole weight of skyscrapers? Wanna know if russia tower is heavier than burj dubai (probly isn't)
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Old June 11th, 2008, 12:02 AM   #1111
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no .

and now come back to topic, that's not the BD-Thread
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Old June 11th, 2008, 08:47 AM   #1112
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Quote:
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even a billion?
you really need to stop spamming every f****** forum with burj dubai shit, every topic I go you never say anything productive except burj dubai and that, and that and how its compare to that, f****** ENOUGH!! stop derailing topics with this shit.

anyway thanks for pics brad, hopefully I'll see it more pics soon
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Old June 11th, 2008, 11:46 AM   #1113
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you really need to stop spamming every f****** forum with burj dubai shit, every topic I go you never say anything productive except burj dubai and that, and that and how its compare to that, f****** ENOUGH!! stop derailing topics with this shit.

anyway thanks for pics brad, hopefully I'll see it more pics soon
I get your point but be careful what u say, I never spam and never talked about BD in other threads apart from this one and in BD.

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Old June 11th, 2008, 01:53 PM   #1114
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Quote:
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I get your point but be careful what u say, I never spam and never talked about BD in other threads apart from this one and in BD.
Well, your double or triple posting can be also considered as spamming. Plus, you ask irrelevant questions that are almost certainly not going to be answered because no one from this site knows the answer... So next time think twice before posting...

I am really curious about the construction of the lower levels with the atrium. There will be floorplates in the corners and core among them but not directly connected. That will be a interesting part of the construction process.
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Old June 13th, 2008, 04:32 AM   #1115
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latest shot of the simfox model

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Old June 13th, 2008, 04:42 AM   #1116
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Old June 13th, 2008, 06:31 AM   #1117
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That Russia Tower is perfect, when it's complete I would love to add that!

I'll keep a look out for a link. Any plans for more of the Moscow International Business Center buildings?
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Old June 13th, 2008, 01:37 PM   #1118
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Capn Jef
This is Russia Tower thread. Stick to the topic.
http://www.skyscrapercity.com/showth...0&goto=newpost
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Old June 14th, 2008, 12:00 AM   #1119
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That Russia Tower is perfect, when it's complete I would love to add that!

I'll keep a look out for a link. Any plans for more of the Moscow International Business Center buildings?
There's also a "big city" with its own projects. Some projects will be really impressive I guess.
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Old June 14th, 2008, 12:12 AM   #1120
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the render is such beatifull !!
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