Updated: November 12, 2024

“Burj Dubai” redirects here. Not to be confused with Bur Dubai, a district of Dubai.
Burj Khalifa
برج خليفة

Viewed across The Dubai Fountain
MapWikimedia | © OpenStreetMap
Record height
Tallest in the world since 2009[I]
Preceded by Taipei 101
General information
Status Completed
Type Mixed-use
Architectural style Neo-futurism
Location Dubai, United Arab Emirates
Address 1 Sheikh Mohammed bin Rashid Boulevard
Named for Sheikh Khalifa
Construction started 6 January 2004; 19 years ago
Topped-out 17 January 2009; 14 years ago
Completed 1 October 2009; 14 years ago
Opened 4 January 2010; 13 years ago
Cost US$1.5 billion
Owner Emaar Properties
Height
Architectural 828 m (2,717 ft)
Tip 829.8 m (2,722 ft)
Antenna spire 242.5 m (796 ft)
Roof 739.4 m (2,426 ft)
Top floor 585.4 m (1,921 ft)
Observatory 555.7 m (1,823 ft)
Technical details
Structural system Reinforced concrete, steel, and aluminium
Floor count 154 + 9 maintenance
Floor area 309,473 m2 (3,331,100 sq ft)
Lifts/elevators 57
Design and construction
Architect(s) Adrian Smith
Architecture firm Skidmore, Owings & Merrill
Structural engineer Bill Baker
Main contractor Samsung C&T
Other information
Parking 2 subterranean levels
Public transit access Metro interchange M1 At Burj Khalifa/Dubai Mall
Website
burjkhalifa.ae
The Burj Khalifa[a] (known as the Burj Dubai prior to its inauguration) is a skyscraper in Dubai, United Arab Emirates. It is the world’s tallest building. With a total height of 829.8 m (2,722 ft, or just over half a mile) and a roof height (excluding antenna, but including a 242.6 m spire)[2] of 828 m (2,717 ft), the Burj Khalifa has been the tallest structure and building in the world since its topping out in 2009, supplanting Taipei 101, the previous holder of that status

Construction of the Burj Khalifa began in 2004, with the exterior completed five years later in 2009. The primary structure is reinforced concrete and some of the structural steel for the building originated from the Palace of the Republic in East Berlin, the former East German parliament.[5] The building was opened in 2010 as part of a new development called Downtown Dubai. It was designed to be the centerpiece of large-scale, mixed-use development. The decision to construct the building was based on the government’s decision to diversify from an oil-based economy, and for Dubai to gain international recognition.[citation needed] The building is named in honor of the former president of the United Arab Emirates, Khalifa bin Zayed Al Nahyan.[6] Abu Dhabi and the UAE government lent Dubai money to pay its debts. The building broke numerous height records, including its designation as the tallest building in the world.

Burj Khalifa was designed by a team led by Adrian Smith of Skidmore, Owings & Merrill, the firm that designed the Sears Tower in Chicago, a previous record holder for the world’s tallest building. Hyder Consulting was chosen to be the supervising engineer with NORR Group Consultants International Limited chosen to supervise the architecture of the project. The design is derived from the Islamic architecture of the region, such as in the Great Mosque of Samarra. The Y-shaped tripartite floor geometry is designed to optimize residential and hotel space. A buttressed central core and wings are used to support the height of the building. Although this design was derived from Tower Palace III, the Burj Khalifa’s central core houses all vertical transportation except egress stairs within each of the wings.[7] The structure also features a cladding system which is designed to withstand Dubai’s hot summer temperatures. It contains a total of 57 elevators and 8 escalators.

source – Wikipedia
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