1. Heavy plant structure. This kind of steel skeleton is often used in workshops with large crane lifting capacity or large workload, such as open-hearth furnace, converter workshop, mixed iron furnace workshop, primary rolling workshop, steel casting workshop, hydraulic press workshop, forging workshop, etc.
2. Long-span structure. The long-span structure refers to the vertical load-bearing structure of the column and wall, and the roof adopts the steel mesh frame, suspension structure or concrete thin shell, membrane structure and other long-span structures, such as stadiums and public buildings, such as railway stations.
3. Tower mast structure, that is, a structure with a large height and a relatively small cross-section.
4. Multi-storey high-rise buildings.
5. Structures that affect the effect of earthquakes.
6. Plate and shell structure.
7. Detachable or movable structure.