gymnasium
A building in which sports competitions, exercises or concerts are held indoors. Gymnasium can be divided into two types according to the nature of use: competition hall and practice hall; According to sports, it can be divided into basketball hall, ice hockey hall and track and field hall. According to the size can be divided into large, medium and small, generally divided by the number of seats. In China, those with more than 8,000 spectators are called large gymnasiums, those with less than 3,000 spectators are called small gymnasiums, and those in between are called medium gymnasiums. Sometimes, gymnasiums are also used as performing arts centers for various performances.
Contour design
The appearance design of the auditorium stands directly affects the viewing quality. The stands are mostly designed as steps, the slope is generally less than 30 degrees, and the height of the steps is generally less than 45 cm. In the longitudinal section design, the determination of site elevation should be based on the comprehensive consideration of traffic evacuation, mechanical transportation and construction cost. Generally, the height of the gym should be close to the natural layer and the outer layer of the field.
roof structure
Gymnasium has a long span, and the roof structure plays an important role in the whole architectural design and plays a decisive role in architectural modeling. The construction of gymnasium promotes the development of long-span structural buildings. Available space grid structure, suspended cable structure, inflatable structure, etc. The roofs of Beijing Capital Gymnasium and Nanjing Wutaishan Gymnasium are spatial grid structures. The roof of Beijing Workers' Gymnasium is a suspended cable structure. The roof of Pontiac Gymnasium in Michigan, USA is inflatable structure. The gymnasium roof of Munich Olympic Sports Center in the Federal Republic of Germany is a tension structure.