The central pinnacle pipe weighs 350 tonnes (390 short tons; 340 long tons) and has a height of 200 m. The spire also houses communications equipment. Become VIP Member. The crowning touch of Burj Khalifa is its telescopic spire comprised of more than 4,000 tons of structural steel. A young’s modulus of 43800N/mm2 is said to be granted by the C80 concrete. Structural System Material The tower superstructure of Burj Khalifa is designed as an all reinforced concrete building with high performance concrete from the foundation level to level 156, and is topped with a structural steel braced frame from level 156 to the highest point of the tower. 1). The structural features include: The tower comprises 2,80,000 m2 area. Curtain Walls = 83,600sq.m of glass and 27,900 sq.m of metal. Structural system in general :. While moving up along the tower, one wing at each tier is set back. 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Burj Khalifa uses the bundled tube design of the Willis Tower, invented by Fazlur Rahman Khan. To reduce the detrimental effects of chemicals, cathodic protection where provided under the raft. The building utilizes high-speed, non-stop shuttle elevators to sky lobby floors where passengers transfer to local elevators serving the floors in between. In 1956, Frank Lloyd Wright produced a design for a mile-high, 528-storey tower equipped with five-storey-high, nuclear-powered elevators. The spire was constructed from inside the building and jacked to its full height of over 200 metres (700 feet) using a hydraulic pump. At the time of this writing, the Burj Khalifa stands as the world's tallest man-made structure at 829.8 meters or 2,719.8 feet. The world’s tallest building, Burj Khalifa took 6 years for its construction and was inaugurated on 4th January 2010. The Burj khalifa took 6years for its construction and was completed in the year 2010. Construction data, photos and information about the project, other skyscrapers of similar height inside and outside of the UAE : Burj Dubai information, construction data, photos, plans etc. Burj Khalifa. The structure is 828m tall and the whole system is a reinforced concrete tower structure. The spire of Burj Khalifa is composed of more than 4000t of structural steel. The structure of Burj Khalifa was designed to behave like a giant column with cross sectional shape that is a reflection of the building massing and profile. The basic structure is a central hexagon core with three wings, which is clustered around it, as shown in figure-2. The tower construction itself costs $4.2billion. commitment to cleanliness and safety measures. 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