Gensler’s Shanghai Tower, the world’s second-tallest building, has been declared the world’s best skyscraper by information specialist Emporis in its annual skyscraper awards. The mixed use megatall skyscraper reaches a total height of 632 m (2,073 ft) and twists a full 120 degrees to mitigate the effect of the punishing winds at such heights.
Lauded by Emporis for its elegant design and energy-efficiency, the US$2.4 billion Shanghai Tower is a very impressive building.
The foundations alone required an entire fleet of trucks pouring concrete for 63 hours straight. A total of 106 Mitsubishi-designed elevators travel at speeds of up to 20 m (65 ft) per second in order to allow move people around the mammoth structure in a reasonable time.
A double-layered glass skin improves the building’s insulation and wind turbines power all the external lighting. Rainwater is also collected and used for air-conditioning and heating systems.
Making use of Building Information Modeling (BIM) software from Autodesk, the design team was able to analyze wind resistance and seismic loads of progressive iterations of the building’s design and eventually achieve what Gensler estimates is a design that used 32 percent less materials than a conventional tower of the same size.
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