Large span building usually refers to the building with a span of more than 30m.
1. In civil buildings, it is mainly used in cinemas, stadiums, exhibition halls, city halls, airports and other large-scale public buildings.
2. In industrial buildings, it is mainly used for aircraft assembly workshop, aircraft hangar and other large-span plants.
Large span building structures include space truss structure, lattice shell structure, suspension structure, truss structure, membrane structure, thin shell structure and other space structures.