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Burj Khalifa

node · earth

A mixed-use tower in Dubai, 828 m tall to the tip of its spire with about 163 habitable floors, designed by Skidmore, Owings and Merrill and opened on 4 January 2010. Its structure is a buttressed core: a hexagonal reinforced-concrete core with three wings projecting from it, each wing terminating in a nose and each stepping back at a different level, so that the plan spirals as it rises. The wings buttress the core against wind in every direction and each setback changes the shape presented to the wind, which was the point - the setbacks were tuned in wind-tunnel testing to disrupt organised vortex shedding, the phenomenon that makes a uniform tall prism sway in resonance with its own wake. Reinforced concrete carries the tower to roughly level 156, above which a structural steel spire continues. As of the last state confirmable to this pack it remained the world's tallest building; Jeddah Tower in Saudi Arabia, resumed after a long halt, is the project intended to exceed it.

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Evidence · 1
Timeline

No dated observations are stored for this object. Atlas shows what was observed and when — it does not infer a history.

Connections · 3
Assembled narrative · 1

Assembled from 30 blocks · 1 evidence · 37 related

  1. Story
  2. A mixed-use tower in Dubai, 828 m tall to the tip of its spire with about 163 habitable floors, designed by Skidmore, Owings and Merrill and opened on 4 January 2010. Its structure is a buttressed core: a hexagonal reinforced-concrete core with three wings projecting from it, each wing terminating in a nose and each stepping back at a different level, so that the plan spirals as it rises. The wings buttress the core against wind in every direction and each setback changes the shape presented to the wind, which was the point - the setbacks were tuned in wind-tunnel testing to disrupt organised vortex shedding, the phenomenon that makes a uniform tall prism sway in resonance with its own wake. Reinforced concrete carries the tower to roughly level 156, above which a structural steel spire continues. As of the last state confirmable to this pack it remained the world's tallest building; Jeddah Tower in Saudi Arabia, resumed after a long halt, is the project intended to exceed it.
  3. Knowledge
  4. Load path
  5. The safety elevator
  6. Reinforced concrete
  7. Burj Khalifa
  8. Connections
  9. Great Pyramid of Giza (Pyramid of Khufu)
  10. Load path
  11. The safety elevator
  12. Reinforced concrete
  13. Fazlur Rahman Khan
  14. Burj Khalifa opens at 828 m
  15. The voussoir arch
  16. The steel skeleton frame
  17. Megalithic post-and-lintel construction
  18. Burj Khalifa
  19. The steeper dome is dedicated
  20. Home Insurance Building, Chicago
  21. Burj Khalifa
  22. Otis demonstrates the elevator safety brake
  23. Roman concrete (opus caementicium)
  24. Structural steel
  25. Burj Khalifa
  26. Monier patents iron-reinforced cement
  27. The Hennebique system makes reinforced concrete a frame
  28. Burj Khalifa opens at 828 m
  29. Evidence
  30. Burj Khalifa is recorded with an architectural height of 828 m and about 163 habitable floors, completed 2010, and has been listed by CTBUH as the world's tallest building since completion. V55 verification basis: skyscrapercenter.com was not reachable in this session, so the CURRENT tallest-building status as of August 2026 is NOT established by this record and must be re-checked.
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Observed changes · 0

No public Signals are attached to this object. Signals show what changed and when it was observed — never a direction or a rank.

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