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Old May 7th, 2007, 05:18 PM   #581
delphi7x10
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Quote:
Originally Posted by Adrian Smith fan View Post
then the highest occupied floor level isnt at 624m like they want us to believe
If you are such a fan of Adrian Smith, then why don't you believe him? That render shows 160 floors, he stated there would be 160 occupied floors. So please look at what is out there, and what do you mean "like they want us to believe", they have said all along the height is a secret, they have nost posted a height for the highest floor, or any other floor.

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Old May 7th, 2007, 05:22 PM   #582
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, i find it totally funny to see how you guy's are all argue about the final height of Burj Dubai
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Old May 7th, 2007, 05:24 PM   #583
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Quote:
Originally Posted by The-Real-Link View Post
*Edit*. On the subject of those plates, are they just brought up, tied in, then "caulked" if you will to the rest of the floorplate? Those interior shots posted on burjdubai.com shows (as well any other interior shot likewise) that there are a ton of panels in the concrete rather than just one giant slab poured uniformly over decking. Granted the structural methods used are different but it just seems interesting that they're doing it this way.
Sorry if I phrased that question in a confusing way. Hopefully you can shed some light on that if you happen to know, thanks.
When you look at the ceiling it looks like panels, but is in fact one pour, the joints in the formwork are what you see. If you way way back to the early sections, perhaps part 10, you will see that panels they place the concrete on are very small, and since they will be covered, the joints inthe cielings don't get any special care.
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Old May 7th, 2007, 05:27 PM   #584
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Old May 7th, 2007, 05:38 PM   #585
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Quote:
Originally Posted by geldrop View Post
I follow this thread with lots of interest.
I hear a lot about pumping concrete to the top of this structure. There I'm not an building engineer I have a question about this.
If you pump concrete to the top (currently 446 mtr) how much concrete is lost every cycle pouring a level. They pump it through a tube with a certain diameter. If you calculate the amount of concrete needed to fill this tube before the first cubic meter is coming out, it is a lot.
So if the level is poured, what are they doing with the concrete in the tubings.
If they are going to dump it, they will spill an enormous amount of concrete when the building is finished.
Who can give me an answer on this.

Thank you in advance
Geldrop,

They put a ball in at the base of the tube, then hook to a large air compresser, and blow the ball through, which forces all the concrete out. My guess is that for this project, they have a guy who's job is simply to calculate when to put the ball in, because yes, that is a lot of concrete to waste, Then again they may always have a wing section ready to take any extra concrete, when they clear the pipe.
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Old May 7th, 2007, 05:40 PM   #586
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although i love the burj design ....some of the other buildings leave a lot to be desired ....lego springs to mind!

is it just me!
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Old May 7th, 2007, 07:46 PM   #587
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That 3d model of Burj Dubai looks very nice, and the cristal model looks very nice too.
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Old May 7th, 2007, 09:14 PM   #588
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Quote:
Originally Posted by Sky Tower View Post
Don't be stupid....there's 214 floors in this thing!

How about a great big HD rendering to shut you up!

http://www.worldarchitecturenews.com...0rendering.jpg

The steel section should start after the conctrete footing pinnacle between L159-L164....and we're no way near that yet!
That's when the steel goes up to L206 where the levels are only 8m accross (bigger than most peoples houses) and another 12-14 un-inhabitable staircase levels to L214-L216 before the pinnacle!

1011m anyone?
216 floors? Don't you mean 216 windows high - doesn't mean there'll be anything in the top 56 floors does it?
The plans from the pdf show aprox 160 floors - there are therefore about 34 concrete floors to go.
Also - you can tell in that very nice render that once you get past 4th mechanical level one side (the side that sets back first) has only those tiny funny-shape wingtips) - it does not extend out further from the core than about 3metres.
I stand by what I said those tiny bits of concrete around floor 120 are pretty much the extent that wing will extend at that height. I've posted the floorplan pic of floor 125 - you can tell that they don't extend further by using that.
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Old May 7th, 2007, 09:22 PM   #589
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shot from April 27th:
http://www.flickr.com/photo_zoom.gne...7480730&size=o
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Old May 7th, 2007, 11:40 PM   #590
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Quote:
Originally Posted by Sky Tower View Post
Ok, take a good look at the HD render and it matches exactly with the floor height figures I posted in October last year!

Levels 123-124 are 6m high each (split level ob deck!)
Levels 125-135 are 4.0m high
Level 136 is 4.8m high
Levels 137-139 mech floors are 5.0m high
Levels 140-149 are 4.8m high
Levels 150-153 are 5.5m high
Levels 154-185 are 5.0m high
Levels 186-206 are 6.0m high
Levels 207-216 are 4.2m high
Pinnacle is 110m high!

Lets assume EMAAR's current height are right (which they're not!) The discrepancy from datum ground to L1 is 15.2m in variation!

You have 442m (current height)
+12m
+40m
+4.8m
+15.0m
+43.2m
+16.5m
+155.0m
+120m
+37.8m
+110

Add all that together and you get a height of 996.3m

Now add the 15.2m discrepancy between EMAAR's figures and my GPS one's and you get 1011.5m
Your math isn't so good, sorry!

+12m (yes)
+40m (NO, it's 44m)
+4.8m (yes)
+15.0m (yes)
+43.2m (NO, it's 48m)
+16.5m (NO, it's 22m)
+155.0m (NO, it's 160m)
+120m (NO, it's 126m)
+37.8m (NO, it's 42m)
+110

All together: 1025.8m
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Old May 7th, 2007, 11:44 PM   #591
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Hi all.

Pbase - Brian Mcmorrow - 07 04 05
[IMG]http://i19.************/6crz8tv.jpg[/IMG]

[IMG]http://i12.************/6ajy3wh.jpg[/IMG]

Webshots - Merlin2101 - 07 04 29
[IMG]http://i19.************/5xq3n75.jpg[/IMG]

[IMG]http://i13.************/4pyyxjc.jpg[/IMG]

[IMG]http://i17.************/6bjm2d0.jpg[/IMG]

[IMG]http://i17.************/62hjqfb.jpg[/IMG]

Webshots - Merlin2101 - 07 04 30
[IMG]http://i12.************/4ze1d7q.jpg[/IMG]

[IMG]http://i13.************/53r5cpi.jpg[/IMG]

Blog ( ? ) - 07 05 05
[IMG]http://i13.************/6g2m1bs.jpg[/IMG]

Enjoy
And for all you "old" pic haters
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Old May 7th, 2007, 11:48 PM   #592
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Quote:
Originally Posted by ZZ-II View Post
, i find it totally funny to see how you guy's are all argue about the final height of Burj Dubai

Should we argue about Shalke and Werder?!

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Old May 7th, 2007, 11:53 PM   #593
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Can't believe no one noticed Sky Tower math error!
I thought you guys are engineers...
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Old May 8th, 2007, 12:05 AM   #594
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thanks Fury 4 pic update

where's the mismatch ?
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Old May 8th, 2007, 12:54 AM   #595
Fury
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Thanx Sampras
Oooops - found some more ...

Picasa - Christine Harris - 07 05 04
[IMG]http://i11.************/4tp51dx.jpg[/IMG]

[IMG]http://i12.************/6gclnoh.jpg[/IMG]

[IMG]http://i11.************/4lt8ly9.jpg[/IMG]

[IMG]http://i13.************/6af44kk.jpg[/IMG]

Blog ( ? ) - 07 02 22
[IMG]http://i10.************/539m1z8.jpg[/IMG]

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Last edited by Fury; May 8th, 2007 at 01:00 AM.
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Old May 8th, 2007, 12:55 AM   #596
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[QUOTE=test123;13044925]

Burj Dubai: Rising Safety Concerns

Mohammad J., an Asian mechanic, was fired recently after being caught smoking next to a concrete pump.

It was not such a big offence except that he did it inside Burj Dubai, a major landmark aimed at cementing the emirate’s coming of age as a global city.

Mohammad was the 13th casualty under the zero-tolerance policy for smokers in the super-tall skyscraper (it has designated smoking areas for workers), which stands 124 storeys high.

Earlier, a cigarette caused a fire in a construction site near Burj Dubai, according to a senior Civil Defence official.

Fire security in high-rises came under the official microscope after two workers were killed and more than 40 injured in big fires in two towers which were under construction recently.

Had Mohammad’s cigarette caused a major incident, escape cages for up to 75 workers would have been hoisted down by a crane from the top of Burj Dubai.

A helicopter would then pluck out the crane operators to safety.

This forms part of the emergency plan in the tower where up to 5,000 or so workers from more than 50 companies work round the clock, the tower’s top safety official told a forum here.

It is planned to rise more than 160 floors, but the actual height is not disclosed.

“The world’s eyes are trained on Dubai right now because of this building,” said Mohammad Moizuddin, health and safety manager at Burj Dubai. “The building has achieved such a height now that any lapses in safety, especially fire, would be disastrous.”

Moizuddin is the de-facto safety police at the site who works for Bureau Veritas, a European service companies.

“Some people can’t live without a nicotine shot. We’ve seen cigarette butts strewn on the jump platforms,” he said. To evade detection, some workers stash cigarettes inside their underwear or under the safety helmet.

Fire is not the only threat to such a prestigious project.

Burj Dubai’s height posed a major challenge to designers on how to keep people safe in emergencies. It will stand taller than Toronto’s CN Tower, the world’s tallest freestanding structure (553.33m) and the Taipei 101 (509m), currently the world’s tallest building.

For Dubai’s firefighters, high-rise buildings present a big task, admitted Maj Rashid K. Al Massam, chief of staff of the Dubai Civil Defence Director General’s office.

Dubai has three other buildings with more than 100 floors under way. In Business Bay, near the Burj Dubai complex, over 250 towers are in various stages of construction, the lowest of which is 20 floors. To help combat fires in high-rises, Dubai Civil Defence purchased two custom helicopters for fire-fighting and rescue operations.

Maj Al Massam, however, told XPRESS that while fires in under-construction buildings are preventable, some owners and consultants cut the wrong corners to save costs.

“Our inspectors have seen some people who have gone below the red-line. In this case we had to impose a fine or administrative sanctions.” He also said court cases against violators would be possible. When it comes to safety and security however, Burj Dubai builders said money is not a problem.

“Given the prominence of the tower, both locally and internationally, it is our intention that the tower be a showpiece, not just when it is completed, but also during its construction,” Greg Sang, Burj Dubai project director, said on the tower’s website. “That said, the highest safety standards are in place and are effectively being implemented.”

Power tools used at the tower had been converted to work with 110 volts, instead of the usual 220 volts. Moreover, CCTV cameras cover every entrance and exit at the tower.

Fire hydrants and extinguishers are on every floor. But making workers aware of safety is a daunting task – especially because most of them come from rural India or Bangladesh and speak little or no English, said Moizzuddin.

All Burj Dubai workers go through a three-hour induction and safety training.

“Sometimes, making them use a full body harness takes a lot of convincing because it makes them feel uncomfortable,” said Moizuddin. “Safety policy is only useful if it gets to the end users in a language they understand.”

Skyscraper Security

* A major factor in designing the tower was fire safety and speed evacuation. When doing calculations, designers assumed the tower contained 35,000 people – although in reality, the number is likely to be less than half of this.
* Concrete surrounds all stairs and there is a 5,500km-capacity elevator for firefighters and building service work. “People cannot be expected to walk down 160 floors, so there are pressurised air-conditioned refuge areas, approximately every 25 floors where they could wait safely or rest on the way down,” said architect Eric Tomich, quoted by the tower’s website.

Source: www.Burjdubai.com

Constructing The Numbers

75 Number of people that can be rescued in 15 minutes in an emergency using a crane

20,114,240 the number of man hours spent to build Burj Dubai’s 124 floors to date

5,187 Number of people building the tower

Gallery
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Old May 8th, 2007, 01:32 AM   #597
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Quote:
Originally Posted by Croat View Post
Your math isn't so good, sorry!

+12m (yes)
+40m (NO, it's 44m)
+4.8m (yes)
+15.0m (yes)
+43.2m (NO, it's 48m)
+16.5m (NO, it's 22m)
+155.0m (NO, it's 160m)
+120m (NO, it's 126m)
+37.8m (NO, it's 42m)
+110

All together: 1025.8m
Quote:
Originally Posted by Croat View Post
Can't believe no one noticed Sky Tower math error!
I thought you guys are engineers...
There are no errors, you're taking the floor numbers literally, the setback sections before any hight re-configuration are only one section high, but are counted as two floors! At every mech floor there's always a slightly larger floor but somehow they count these levels as two floors. For example, the ob deck actually starts at L124, but because it's double height we can count these floors as two. (although when the markers get put on it will seem like they're jumping from L124-L126) Go figure!
Anyway, entirely sensible question as I didn't explain my figures that well. Hope it help?
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Old May 8th, 2007, 01:39 AM   #598
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Jeez! People are getting dumber and dumbier daily... They knows better not to smoke in construction area. He got what he deserved!
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Old May 8th, 2007, 02:00 AM   #599
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More pics from my trip
[IMG]http://i19.************/63l2uc5.jpg[/IMG]

As a part of the skyline
[IMG]http://i17.************/4key9s0.jpg[/IMG]

Together with the current tallest completed skyscraper in Dubai
[IMG]http://i16.************/5x8ow93.jpg[/IMG]
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Old May 8th, 2007, 02:46 AM   #600
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The last picture is great, with the arch in between the two towers. Also the night pic. Very nice!
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