Capital Gate

Coordinates: 24°25′07″N 54°26′05″E / 24.418637°N 54.434692°E / 24.418637; 54.434692
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Capital Gate
Capital Gate in 2013
Map
General information
TypeCommercial offices; Hotel
LocationAbu Dhabi, United Arab Emirates
Coordinates24°25′07″N 54°26′05″E / 24.418637°N 54.434692°E / 24.418637; 54.434692
Construction startedSeptember 2007
Topped-out2010
Completed2011
OwnerAbu Dhabi National Exhibitions Company
Height
Roof160 m (520 ft)
Technical details
Floor count35
Floor area53,100 m2 (572,000 sq ft)
Design and construction
Architect(s)RMJM Dubai
Main contractorAl Habtoor Engineering Enterprises
References
[1][2]

Capital Gate is a skyscraper in Abu Dhabi adjacent to the Abu Dhabi National Exhibition Centre designed with a striking lean. At 160 m (520 ft) and 35 stories, it is one of the tallest buildings in the city and inclines 18° to the west.[3] The owner and developer of Capital Gate is Abu Dhabi National Exhibitions Company. The tower (also known as the Leaning Tower of Abu Dhabi) is the focal point of the Capital Center/Abu Dhabi National Exhibition Centre master development.

World records

In June 2010, Guinness World Records certified Capital Gate as the "World’s furthest leaning man-made tower."[4][5] The new record shows that the Capital Gate tower has been built to lean 18° westwards; more than four times that of the Leaning Tower of Suurhusen. Investigation and evaluation, which was made by a Guinness appointed awards committee, started in January 2010, when the exterior was completed.

The gravitational pressure caused by the 18° incline is countered by a technique called pre-cambered core, using a core of concrete reinforced with steel, with the core deliberately built slightly off-centre. It is also anchored to the ground by 490 piles which are drilled 20–30 metres underground.[6]

Architecture and design

The building has a diagrid especially designed to absorb and channel the forces created by wind and seismic loading, as well as the gradient of Capital Gate. Capital Gate is thought[by whom?] to be the Middle East's first building to use a diagrid; others around the world include London's 30 St Mary Axe (Gherkin), New York's Hearst Tower and Beijing's National Stadium.[7]

The Capital Gate project was able to achieve its inclination through an engineering technique, known as pre-cambering, that allows floor plates to be stacked vertically up to the 12th storey, and staggered, one over another by between 300 mm to 1400 mm.

Capital Gate was designed by architectural firm RMJM and was completed in 2011. Capital Gate now houses the 5-star Hyatt Capital Gate hotel and additional office space.

Project time line

  • September 2007 – Enabling works commence
  • November 2007 – Pile driving starts
  • April 2008 – Core wall construction starts
  • February 2009 – Façade commences
  • May 2009 – Reaches 100 m in height
  • June 2009 – Incline starts to take shape
  • October 2009 – Attains final height of 160 m
  • December 2009 – Completion of exterior core structure
  • January 2010 – First phase of splash completed
  • February 2010 – Interior fit-out commences
  • March 2010 – Commencement of link bridge to Abu Dhabi National Exhibition Centre
  • April 2010 – Commencement of atrium roof
  • 2011 – Completed construction
  • Opening date 21 Dec 2011

See also

References

  1. ^ Capital Gate at Emporis
  2. ^ "Capital Gate". SkyscraperPage.
  3. ^ "Capital Gate". Abu Dhabi National Exhibitions Company (ADNEC). 2010. Retrieved 7 June 2010.
  4. ^ "Capital Gate Tower in Abu Dhabi certified world's furthest leaning manmade tower". World Interior Design Network. 7 Jun 2010. Archived from the original on 11 June 2010. Retrieved 7 June 2010. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  5. ^ Mail Foreign Service (2010-06-10). "Abu Dhabi's Capital Gate 'leans nearly five times more' than Tower of Suurhusen to claim world record". Mail Online. Retrieved 2010-06-10.
  6. ^ Laura Salmi (28 October 2008). "Capital Gate, Abu Dhabi, United Arab Emirates". World Architecture News. Retrieved 7 June 2010.
  7. ^ Mace Group, http://www.macegroup.com/media-centre/advanced-diagrid-technology-gives-shape-to-capital-gate | retrieved=July 29, 2015

External links