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The stadium roof in the Chinese Nantong opens and closes by means of hydraulics

The stadium roof in the Chinese Nantong opens and closes by means of hydraulics

The stadium roof in the Chinese Nantong opens and closes by means of hydraulics

Semi-spherical shells

The construction is very impressive to see. The movable roof part consists of two enormous semi-spherical steel and glass shells which literally ride across the semi-open, dome-shaped stadium roof which is also made of a complex steel construction.

One of the two shells weighs at least 1100 tonnes and during the opening and closing, each shell spans a distance of approximately 60 metres. To be able to move this heavy  spatial structure  smoothly and without excessive torque forces, Enerpac developed a strong hydraulic propulsion system with an advanced electronic control and operation system added to that. It is the first time that hydraulics is applied during the opening and closing of a movable roof.
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