The main types of steel structure include portal steel structure, frame steel structure, grid structure and cable membrane structure.
Gate steel structure: This structural form is based on the portal frame and is suitable for single-story houses, especially industrial plants. Its characteristics are simple force, clear force transmission path and fast construction speed.
Frame steel structure: Including pure frame, central support frame, eccentric support frame and frame tube structure. Frame steel structure is widely used in multi-story, high-rise and super high-rise buildings, and can form a large space.
Grid structure: It is composed of multiple rods connected by nodes in a certain grid form, including cross truss system, triangular cone system, etc. Grid structure is suitable for large-span roof and floor.
Cable membrane structure: Including cable suspension structure and membrane structure (tension type, skeleton type and inflatable type). This structural form is often used in buildings that require large spans, such as gymnasiums and exhibition halls.
The advantages of steel structure include fast construction speed, recyclability, high strength, good seismic performance, etc. It is widely used in industrial, commercial, cultural and entertainment facilities and civil buildings. In addition, steel structures also have good ductility and corrosion resistance, and are suitable for construction needs under various climatic conditions.
The disadvantages of steel structures mainly include high costs, especially in the initial investment stage, and high requirements for construction technology. In addition, steel structures may become fragile at low temperatures and require special attention.