Twisting buildings
In August 2016, the Council on Tall Buildings and Urban Habitat (CTBUH) published a new study, Twisting Tall Buildings, examining the recent proliferation of spiralling towers being developed around the world.
The report defines a building as ‘twisting’ if it progressively rotates its floor plates or its façade as it gains height. It is usual that each plate will be similarly shaped in plan, and turned on a shared axis a consistent number of degrees from the preceding floor.
Not only are these ‘twisters’ often aerodynamic and energy-efficient as a result of their design, they are able to incorporate a wide variety of textures, view angles and ripple effects.
The report identifies 28 twisting towers that are either complete or under construction. This is evidence, the report says, of a growing trend in this new type of structure.
At 632 m (2,073 ft) tall, the Shanghai Tower is currently (2016) the second tallest building in the world.
The Diamond Tower in Jeddah, scheduled for completion in 2019, will be the world’s second tallest twisting tower, and the only building to twist a full 360-degrees along its height.
F&F Tower, Panama City, holds the record for the ‘tightest’ twist, that is, the greatest average rotation per floor, at 5.943-degrees across each of its 53 floors.
CTBUH is the world’s leading resource for professionals focused on the inception, design, construction, and operation of tall buildings and future cities.
Images and content courtesy of CTBUH.
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