Steel structure technology can be roughly summarized as: multi-high-rise steel structure technology, space steelwork technology, light structural steelwork technology, steel concrete composite structure technology, high-strength bolt connection and welding technology, steel construction protection technology six, today we will first introduce you to the first three steel structure technology.
The first type: Multi- and high-rise steel structure technology:
Multi-high-rise steel structures are made of frames, frame supports, cylinders and giant frame structures according to building height and design requirements, and their components can be made of steel, reinforced concrete with strength or steel tube concrete. The steel components are light and ductile, and can be made of welded or rolled steel sections, which are suitable for ultra-high-rise buildings; The stiff reinforced concrete components have high stiffness and good fire performance, and are suitable for medium and high-rise buildings or bottom structures; Steel pipe concrete is easy to construct and is only used for column structures.
The second type: space steelwork technology:
The space steel structure has light weight, high rigidity, beautiful shape and fast construction speed. Ball-node flat plate mesh frame, multi-storey variable section mesh frame and mesh shell, etc., with steel pipe as the rod, are the structural types with the largest amount of space steel structure in China. It has the advantages of large space stiffness and low steel consumption, and can provide complete CAD in design, construction and inspection procedures. In addition to the grid structure, the space structure also includes long-span suspension structure, cable membrane structure, etc.
The third type: light structural steelwork technology
It is accompanied by a new structural form consisting of walls and roof envelopes made of lightweight colored steel plates. By more than 5mm steel plate welded or rolled large cross-section thin-walled H-beam wall beams and roof purlins, round steel into a flexible support system and high-strength bolts connected to the light structural steelwork system, the column spacing can be from 6m to 9m, the span can be up to 30m or more, the height can be up to more than ten meters, and can be set up lightweight hanging four. The amount of steel used is 20~30kg/m2. Now there are standardized design procedures and specialized production enterprises, good product quality, fast installation speed, light weight, low investment, construction is not limited by the season, suitable for all kinds of light industrial plants.
The above three kinds of steel structure technology is now the most practical and common steelwork technology, multi, high-rise steel structure technology perfectly solves the problem that the concrete structure is too heavy to build skyscrapers, space steelwork technology is to open the vision of the architectural world, so that many of the previous whimsical ideas become a reality, light steel structure technology is to make the construction of industrial plants progress rapidly, accelerate the progress of industrialization.
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