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Thread: Burj Khalifa (formerly Burj Dubai) - by Skidmore, Owings & Merrill

  1. #16

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    Do any of u think the burj dubay will go bankrupt?
    No. One word.... Oil!

  2. #17

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    DTZ clinches consultancy contract of Dubai Mall

    BY BABU DAS AUGUSTINE
    14 July 2004



    DUBAI - DTZ Debenham Tie Leung's Southeast Asian team has clinched an exclusive consultancy contract in Emaar's project to build the world's largest retail mall in Dubai.


    The DTZ team based in Singapore won the research and marketing consultancy contract from among the three firms who were invited to bid for the* three-year consultancy job.

    Although the total value of the contract is not known, DTZ Southeast Asia executive chairman Edmund Tie told the Singapore-based Business Times that it could* run into several millions of dollars.

    Designed by Singapore's DP Architects, the mall is to be an integral part of the Burj Dubai development of Emaar Properties, which will include residential, hotel and office complexes.

    The 12 million square feet shopping colossus to be built as an integral part of the Burj Dubai Development is estimated to cost more than Dh2.6 billion. The project, currently under the tender stage will have more than 5 million square feet of retail space of which 3.6 million square feet can be leased which will include the largest indoor gold retail market of 160,000 square feet.

    The 400-acre urban city, developed by Emaar Properties, is also expected to boast the world's tallest skyscraper. Emaar expects to attract 35 million visitors in the first full year of business, with a continuing growth of 20 to 30 per cent a year.

    The mall project is targeted at more than 1.5 billion strong market of the region. The developement, according to a top Emaar official is based on thorough statistical analysis. Dubai is just two hours flight time away from major markets including Iran, India Pakistan and the Middle East countries.

    One of the key components of this unique retail portfolio will be a host of first-time brands in Dubai which will occupy 45 per cent of the Mall's retail space. The Dubai Mall is only one element of Emaar's iconic Burj Dubai Development. The ambitious real estate venture will also feature the Burj Dubai, the world's tallest tower, the Old Town, the Residences, an Office Park and a lush 60-acre landscaped park, all linked by an impressive 3-km long Boulevard. The development will be spread over the 400 acres adjacent to the first interchange on Shaikh Zayed Road.

    Billed to be the world's largest mall when completed, the project is considered one of the world's most daring retail property development.

    DTZ is a leading global real estate services company providing a full range of services on a local, regional and international markets. The company has has over 6,500 staff operating from 125 offices in 33 countries. It offers key* service lines of investment, occupiers services, valuation, business space, retail, property management and building consultancy, among others. In the Asia Pacific, DTZ is in 23 cities covering the main markets of Australia and New Zealand, Northeast Asia and Southeast Asia with offices in Hong Kong, mainland China, Taiwan, Singapore and main south-east Asian markets.

  3. #18

    Default burj dubai

    it's heights are 705 metres and it became build by the family of osama bin laden (emaar property's)

    www.emaar.com

  4. #19

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    Emaar Properties today announced that Samsung Corporation, the Korean group, has been appointed the main contractor for its iconic Burj Dubai tower.


    Mohamed Ali Alabbar, Chairman Emaar Properties and Kim Kye Ho, Executive Vice President Samsung Corporation shake hands following the announcement of the contract to build the Burj Dubai.

    The signature concrete and steel tower is set to become the tallest structure in the world and will be the centerpiece of Emaar's prestigious Downtown Dubai development.

    The Burj Dubai tower is part of the US$8 billion 500-acre Downtown Dubai Development, which on completion will become the Middle East's finest urban development in terms of design and lifestyle.

    The contract was awarded to Samsung following an 11-month bidding process that began earlier this year and involved tender bids from major global contractors.

    The excavating, piling work and raft foundation for this global architectural landmark has been completed and construction of the Tower from ground up will now be taken up by Samsung, a huge step forward in the progress of the building. Chicago-based Skidmore, Owings & Merrill (SOM) designed the Tower and Turner Construction International is the project and construction manager.

    Samsung Corporation has been involved in the construction of numerous high-rise structures around the world and Samsung Group, its parent company, is the Fortune ranked 14th largest company in the world.

    Mohamed Ali Alabbar, Chairman of Emaar Properties, said: 'Samsung Corporation has been awarded this contract because it matches Emaar's global quality standards and processes which have become benchmarks for real estate developers around the world. The company has an impeccable reputation and unrivalled expertise in constructing tall towers.

    'Samsung Corporation's appointment is a defining moment and the Tower is set to rise and change the face of Dubai. The Tower represents the next stage of growth for Emaar and will be the basis for future developments and act as signpost for the ambitions of the region.'

    A formal ceremony was held on the Burj Dubai site on September 20, 2004 when the concrete pouring operation for the Tower's raft foundation was witnessed by His Highness General Sheikh Mohammed Bin Rashid Al Maktoum, Crown Prince of Dubai and UAE Minister of Defence.

    The Tower will combine residential and commercial space, and will include a boutique hotel, recreational facilities, serviced residences, apartments and an observatory. Its unique mix of functional modernist surfaces and decorative form contains abstract references to regional and cultural influences. The Tower's base rises upward in a series of steps, providing a graceful transition as the structure ascends.

    The Tower is composed of three elements arranged around a central core. As it rises from the flat desert base, each element is set back in an upward-spiraling helical pattern, decreasing the mass of the tower as it reaches toward the sky and thereby decreasing the wind effects.

    A high performance exterior cladding system will be employed to withstand the extreme temperatures during Dubai's summer months. Primary materials include reflective glazing, aluminum and textured stainless steel panels and vertical stainless tubular fins accentuating the height and slenderness of the Tower.

    The Burj Dubai and The Dubai Mall are part of the Middle East region's finest urban development, the Burj Dubai District. Located within the 500-acre development, the two awe inspiring buildings are surrounded by lakes and landscaped gardens; The Boulevard, a 3.5km long parade bordered by buildings that draw on a range of styles from around the world; The Residences' exclusive up-market apartments; and the stylish antiquity of The Old Town.

  5. #20
    Chief Antagonist Ninjahedge's Avatar
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    Looks good, but here are the problems:

    material strength. To get that much structure that high, even with a bit of dispersal at the base, the steel would have to be VERY copious. You need a HELL of a lot to support something like that.


    OK, it looks nice and all, but look at its aspect ratio. Even if you were to get it to be viable, structurally, you have problems with deflection.

    Now, granted there may be almost no seismic out there. Who knows, there might not be any requirement, the fact that it is windy is a problem. You have this large, odd shaped, slender building going up to extreme heights. You risk vibrational response from the wind.

    This vibrational response, even if it were possible to resist, would prove problematic with servicability (Hancock towers and its window problems) or human perception (the WTC had a problem with the vertical lines between the building. People looking out would get sick seeing them sway so much....)

    So, viscous dampers such as fluid dampers or active brace dampers would be needed. You are talking more $$, and also more SPACE needed.

    Like I said, it looks neat, but I do not think it is feasable with todays technology.


    FEASABLE mind you, not IMPOSSIBLE......

  6. #21
    Senior Member Bob's Avatar
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    Spectacular. THIS is what the "Freedom Tower" could have been.

  7. #22

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    How do you suppose they'll get the concrete to above,let's say,1700 feet.(Whenever I see these grand concepts I start to think logistics)

  8. #23
    Chief Antagonist Ninjahedge's Avatar
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    Concrete is not a good high rise material.

    It is stiff, and durable, and they have special mixes now that are getting the compression strengths up into the 10KSI range, but there are several problems with it.

    First, the sheer size of the building. The ammount of high strength concrete you would need to just HOLD this tower up would be enormous. Floor plan areas would be compromised when you have 1m-2m thick walls at the base holding this whole thing up.

    Second, like I said earlier, the aspect ratio. The thing about slender buildings is that the moment generated by the lateral force (the torque from pushingthe building sideways along its height) has to be resisted by something. That something is the base. You have to get a twist applied at the base. Part of that twist comes from the weight of the building itself, like trying to topple over a large block. But the taller and more slender the block, the less its own weight helps.

    You have to tie down the base so it does not lift off its supports. This is called "uplift".

    It is a PITA, especially since concrete, in itself, is not very good in tension. The reinforcement is all that can resist it in design, and there is only so much reinforcement you are allowed to put in concrete.

    Concrete encased steel columns may be the only way to get what they need down below.

    As for pumping the concrete up? I think they would have to find either some way to feild mix it, or airlift it. Cranes are not that high, and lift times may be prohibitive. You would DEFINITELY not be able to pump it (1700ft at 150 PCF would yeild 255,000psf/1771psi for the weight of the concrete alone, nevermind friction from the concrete on the edges of the pipe/hose and its own viscosity......)

    But, like I said, the biggest DESIGN problem for this building seems to be the wind.

  9. #24

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    the building will be a cool addition to the skyscraper world but will not alone take nys crown as skyscraper capitol, ny had 70 odd years of uncontested wtb and that will be hard to beat

  10. #25
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    Thanks Ninja, you explained the challenges very well.

    It is hard to imagine the size of the building, although the lines "look" nice. How big is the foot print? Comparable to anything in NY?

  11. #26

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    Here is the footprint of the building showing the "arabic flower" shape.

    [/QUOTE]

  12. #27
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    -Is this really going to be built??

  13. #28
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    Well, it's supposedly already u/c...

  14. #29

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    Now you've done it. He'll just get upset all over again.

    We may as well learn about the United Arab Emirates.

    Fun Facts from the CIA World Factbook

    Map of the UAE


    http://www.cia.gov/cia/publications/...k/geos/ae.html

  15. #30

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    Dubia is going building crazy! i was recently looking at what is being built there, and there are like 20 structures over 800 feet

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