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China Zun, Beijing

Integrated smart design for the tallest building in Beijing

Located at the heart of Beijing's new CBD extension, China Zun (also known as Z15) will become the tallest building in the capital city with a height of 528m, surpassing that of China World Tower – another Arup job.

The mixed-use development includes seven levels of basement and a mega tower of 108-storeys providing office space, private club and an observation deck with a gross floor area of 350,000m².


Project Summary

528m tall tower


54mx54m at its waist

The name China Zun comes from a traditional Chinese water vessel, zun, which inspired the building design. Zun, in Chinese culture, represents communal goodwill, which is appropriate for the capital city of such an important country and civilisation.  The tower's smooth vertical curve gives the building a contemporary and elegant expression that will assist in maximising the floor area at the top and provide structural stability at the base.

As the leading structural engineer from schematic design stage to preliminary design stage, Arup introduced a high efficient dual system for lateral force resistance composed of a fully braced mega frame and a concrete core. Composite steel-concrete material is also extensively utilised to minimize structural member size and increase usable floor area. With Arup's services, China Zun, is to set the new height record in the high seismic zone.

Arup also conducted complex fire analysis to ensure the robustness of the building in a fire and optimised evacuation provisions. We minimised fire separation in the grand entrance lobby linked to the adjacent cultural centre and enlarged the fire compartment on the observation deck which will have a dense occupant load.