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Burj Dubai renamed Burj Khalifa

Dubai, United Arab Emirates, Burj Khalifa panoramic view

Khalifa is currently the highest tower in the world built. The Burj Dubai (Dubai Tower) has a height of 818 meters. In April 2008 the tower of Burj Dubai were already 629 meters, exceeding already KVLY-TV Mast (Blanchard) from North Dakota USA which is 628.8 meters-b-.

Map

The construction of the Burj Dubai began in September 2004. The architect of the skyscraper is the office of Skidmore, Owings & Merrill (SOM) in the form of a flower inspired design: the Hymenocallis, a locally common desert flower. The harmonious structure of the flower was one of the design principles. The horizontal section of the tower is Y shaped creating three wings around a central core. With this form it can be made a lot of windows for maximum view, without wing to watch against another.

From foundation to spire

The foundation of the Burj Dubai consists of 192 piles containing more than 50 meters deep in the ground. The poles are held together by a 3.7 meters thick concrete layer. The concrete in the foundation is poured weighs a total of more than 110,000 tons.

The exact number of floors of the Burj Dubai is 169, and the format is roughly as follows: in the lower 39 floors will be a hotel. Above the hotel, the 108 floor (at 375 meters altitude) has room for housing. The Burj Dubai will be between 108 and 153 floor offices are occupied by the 123 floor and a view point at 442 meters altitude. The upper floors are reserved for communication, and the tip of the tower.

Wind sensitivity

The tower is a few steps upwards, gradually decreasing, making several layers. By introducing variation in the distance between these layers and the width of the tower is the enormous height of the Burj Dubai emphasized. The different layers make the cross section varies and the wind sensitivity is reduced, the wind encounters with each layer a different shape and getting more difficult grip on the building. The fact remains that the high altitude of the Burj Dubai tower is very wind sensitive. For resisting the wind, it is necessary to move the tower, about 600 meters height, the tower over one meter with the wind "move along".

Glass facade in the desert

The glass facade of the Burj Dubai is chrome and reminiscent of a large mirror. A glass facade of the tower in the desert where summer temperatures can rise up to 50 degrees, it sounds contradictory, but this facade is protecting against extreme heat the interior of the Burj Dubai. Also wind, moisture and noise must be stopped by the cladding.

Delivery

The year 2008 has long been identified as the final year, but in June 2008 it was announced that the construction at least nine months behind schedule. The cause was not mentioned, but it may relate to a major strike in November 2007 when 40,000 builders have filed for the work to enforce better working conditions. Early 2007 the construction of the Burj Dubai was already delayed by months the bankruptcy of a Swiss company that siding should care. Was announced a revised completion date of 2 December 2009. Burj Khalifa was opened on 4 January 2010.