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Old May 31st, 2007, 11:13 PM   #241
Julito-dubai
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i heared figues that the whole Burj Dubai complex costed something like $20bn
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Old June 1st, 2007, 02:44 AM   #242
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malec the construction of the Burj Dubai is over $2billion now, and Julito-dubai the Burj Dubai complex is over 20$ billion because of the labor controversy and the Burj tower it's self went up
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Old June 1st, 2007, 04:45 AM   #243
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damn thats bloody expensive
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Old June 1st, 2007, 05:57 AM   #244
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Quote:
Originally Posted by chris_underscore47 View Post
The thing is some people will be all like: "No your wrong, Sears is taller". if you get what I mean:


Clearly the Pentominium is taller.
Holy shit this building is tall. This just puts it into perspective since I've visited the Sears tower. Having an apartment that high up would be great.

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Old June 2nd, 2007, 12:36 AM   #245
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Quote:
Originally Posted by FM 2258 View Post
Holy shit this building is tall. This just puts it into perspective since I've visited the Sears tower. Having an apartment that high up would be great.

I don't know. It would seem great at first, but what about the wind? I've heard people who live at the top of the John Hancock Center say it's like living on a cruise ship, and thats far less height than this.

The Pentominium, Chicago Spire, Vegas Tower, etc all sound really cool on paper, but I seriously wouldn't want my house moving that much every time there is a storm. I guess that's the price you pay for the view though.

How often does Dubai get those crazy sandstorms we've seen pictures of?
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Old June 2nd, 2007, 05:48 AM   #246
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like a cruise ships.. as in swaying? well im sure theres a tuned mass damper in the structure. we get the sandstorms about thrice or four times a year, for major ones
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Old June 2nd, 2007, 02:23 PM   #247
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It is actually too tall. In this case the extreme hight makes it rather ugly. If it were 30-40 floors shorter, it would be nicer.
I never said anything like this before, but this time I feel the proportions are wrong.
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Old June 2nd, 2007, 03:31 PM   #248
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i don't find it too tall, the slender design makes it really cool i think
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Old June 2nd, 2007, 03:37 PM   #249
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Agree

Quote:
Originally Posted by Marco Polo View Post
It is actually too tall. In this case the extreme hight makes it rather ugly. If it were 30-40 floors shorter, it would be nicer.
I never said anything like this before, but this time I feel the proportions are wrong.
I agree, the design isnt suited for being the tallest in the block, imo. Maybe its just an optical illusion + preconceptions as it gives a rather fragile impression
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Old June 3rd, 2007, 08:47 PM   #250
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Quote:
Originally Posted by Marco Polo View Post
It is actually too tall. In this case the extreme hight makes it rather ugly. If it were 30-40 floors shorter, it would be nicer.
I never said anything like this before, but this time I feel the proportions are wrong.
im getting a little concerned about the competition thats hotting up on who can build the tallest building
one day i can see some sort of construction disaster happening a quater of a mile in the sky, i hope im totally barking up the wrong tree here and perhaps being a little ameature,but how high can we possibly build taking into consideration the crazy storms we get in todays climate,could it be possible to blow one of these things over.
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Old June 3rd, 2007, 11:48 PM   #251
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That's what "engineers" are for.
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Old June 5th, 2007, 11:26 PM   #252
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Quote:
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That's what "engineers" are for.
yes i know that, but on your theory ........disasters never happen, i dont think so,the best design and engineers in the world make mistakes sometimes,i just hope and pray nothing goes tits up.......
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Old June 6th, 2007, 12:48 AM   #253
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Quote:
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yes i know that, but on your theory ........disasters never happen, i dont think so,the best design and engineers in the world make mistakes sometimes,i just hope and pray nothing goes tits up.......
look at what happened to this 58 floor building that was going up in Cartagena..had a little windstorm..

http://www.skyscrapercity.com/showth...=466621&page=2
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Old June 6th, 2007, 12:55 AM   #254
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Well what you do is engineer something so that it exceeds the limits by a large margin. If you have a seismic fault that can produce 7.5 magnitude earthquakes, you engineer your structures for 8.5. If you have hurricanes that can bring 200kph winds, you build to withstand 300kph, etc. These guys are professionals. They know what they are doing.
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Old June 6th, 2007, 01:00 AM   #255
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Yes, the Pentominium is 'technically' taller.
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Old June 6th, 2007, 01:17 AM   #256
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Quote:
Originally Posted by AM Putra View Post
Yes, the Pentominium is 'technically' taller.
You have it backwards. The Sears Tower is "technically" taller but it isn't actually taller because the antennas are removable.
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Old June 6th, 2007, 02:15 AM   #257
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Awesome.

Dubai is getting crazier by the day. The recent 2-3 years have been great for skyscrapers.

I wish they stick to highest usable floor for comparing heights. IMO, thats the best measure.
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Old June 6th, 2007, 02:22 AM   #258
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John hancock was built in the 60's that 40 years ago. with primitive engineering and cnstruction techniques. these days concrete is very tough and concrete framed structures such as Burj Dubai or even Pentminium have minimum sway due to rigidness of concrete as apposed to twisty steel frame.
a 500m concrete skyscraper would be lucky to sway 1m, which would be unnoticable.
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Old June 6th, 2007, 02:35 AM   #259
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1m unnoticable, are you sure about that
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Old June 6th, 2007, 03:17 AM   #260
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Depends how fast it is. Distance in sway means absolutely nothing, it's the acceleration that matters. Generally a larger building will have a larger sway but since it's larger it'll also be much slower.

Think of it this way, what's worse, a building swaying 3m in the space of 30 seconds or 1 inch 10 times a second
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