Jiangxi Provincial Gymnasium Roof

 Jiangxi Provincial Gymnasium Roof was built in the urban area of ​​Nanchang, with a construction area of ​​18,260m2 and 8,000 seats. The building plan is a long octagon, with a length of 84.32m from east to west and a width of 74.6m from north to south. The competition venue is 24x40m, which can also be expanded to 32×48m. The hall is designed according to the requirements of international sports competitions and can be used for various purposes.

For the first time, the Gymnasium Roof

gymnasium roof


adopts the method of suspending two flat grids by a space curved arch, forming a large-span space frame with a combination of arches, hangers, hangers, and space frame.

A skylight is arranged under the big arch, and a roof sloped from the two ends to the middle is formed, which reduces the unnecessary space above the competition venue and helps to save the energy consumption of indoor air conditioning. Use the arch to suspend the grid frame, so that a large-span roof truss is divided into two smaller-span grid frames, and the amount of steel used for the roof is correspondingly reduced. As pipes and used, various cable lines and roof drainage pipes pass through the box. In this way, a large reinforced concrete arch can play a variety of structural functions and building functions, and integrate them organically, which is a feature of the overall structural design of this project.

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