Burj Khalifa

The World's Tallest Skyscraper!!!

Burj Khalifa

Burj Khalifa is in U.A.E Dubai (United Arab Emirates.

Burj Khalifa constructed started September 21, 2004 and it was opened on January 4, 2010.



Architects


The architects are Adrian Smith, William F. Baker, George J. Efstathiou, and Marshall Strabala. Sporadic protests continued in 2005, with the largest labor protest in the history of the UAE in September 2005, when 7,000 workers staged a three-hour protest. In March 2006, 2,500 workers rioted at the Burj Khalifa site, demanding a raise in their pay.

The architects are Adrian Smith, William F. Baker, George J. Efstathiou, and Marshall Strabala. Sporadic protests continued in 2005, with the largest labor protest in the history of the UAE in September 2005, when 7,000 workers staged a three-hour protest. In March 2006, 2,500 workers rioted at the Burj Khalifa site, demanding a raise in their pay.





Materials

Liquid concrete into its 55,000 tonne steel rebar frame, during the night time hours and structural steel.


For the base of the Burj Khalifa, a Y-shaped mat was chosen and had to be made of reinforced concrete supported by almost 200 concrete piles.



How much it cost to built

Cost of Burj: $1.5 billion, part of the downtown Dubai’s $20billion redevelopment program.

Challenges During Costruction

Transporting materials to staggering heights, stabilising such a massive structure, and creating a basis for it that could withstand its incredible weight.