Buttressed core
Buttressed core is a structural system for high buildings, consisting of a hexagonal core reinforced by three buttresses that form a Y shape.
Properties
The buttressed core supports itself both laterally and torsionally. It also eliminates the need for column transfers, and moves loads in a smooth path from the building's top into its foundations.
Origin
The buttressed core was invented by the Skidmore, Owings & Merrill engineer Bill Baker. [1] It was first used in Tower Palace III in Seoul but its ability to support higher buildings than ever before was first demonstrated in Burj Khalifa in Dubai.[2]
Uses
- Tower Palace III in Seoul, South Korea, completed in 2004
- Burj Khalifa in Dubai, United Arab Emirates, completed in 2009
- Crown Las Vegas in Las Vegas, USA (never built)
- Jeddah Tower in Jeddah, Saudi Arabia, completed in 2020 (estimation)
References
- Engineer Bill Baker Is the King of Superstable 150-Story Structures, Wired.com
- Higher and Higher: The Evolution of the Buttressed Core, Civil Engineering, October 2012
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