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Facts:

Height: 525ft (160m)

Floors: 35

Building Use: Office and Hotel

Architect: RMJM Architect

GroupContractor: AL Habtoor Leighton

Structural Type: LeaningTower

Architectural Style: Deconstructivism

Cost: $231 Million

Capital Gate

Abu dhabi

Gravity

Steel girders span directly between the external and internal diagrids, creating column-free floor spaces with typical spans of about 12 meters.

The diagrid system used for the building consists of 722 elements and approximately 8,500 structural steel beams, with each element weighing nearly 15 tons and has a painted finish.

The core has two innovative features:

Pre-cambered core

Vertical post-tensioning

First of its kind

Occupancy:

It is a mixed use occupancy consisting of hotel and office space.

Construction Type:

It is concrete reinforced with steel

  • Pre-cambered core
  • Vertical post-tensioning

Program:

Total Built-up Area: 53,100 sqm (UNP)

Total Office Area: 20,900 sqm (UNP)

Total Hotel Area: 25,050 sqm (UNP)

Height:

The building, from the ground to the top of the roof is 524.9 feet tall (160 meters)

Counter forces

Two different sizes of piles

Foundation

Out of 490 piles 287 were 40 inches in diameter, and 65-100 feet deep, the remaining 193 piles had a diameter of 24 inches with a depth of 65 feet.

Four hundred and ninety foundation piles were driven 20 to 30 meters underground to support the structure and counter stresses. The piles, which were initially in compression during construction to support the lower floors of the building, are now in tension as the stresses caused by the overhang have been applied.

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