Steel structure is a structure made of steel material, and is one of the main types of building structures. The structure is mainly composed of steel beams and steel plates, such as steel beams, steel columns, steel trusses and so on. Each component or component is usually connected with welds, bolts or rivets. Because of its light weight and simple construction, it is widely used in large factories, stadiums, super high-rise and other fields.
The technical content of Guangzhou steel structure is:
(1) high-rise steel structure technology. Steel light weight good ductility can be used welding steel or rolled steel, suitable for super high rise building construction; steel reinforced concrete member stiffness, good fireproof performance, suitable for high-rise buildings or at the bottom of steel pipe concrete structure; the construction is simple, only for the column structure.
(2) space steel structure technology. The space steel structure is light in weight, big in rigidity, beautiful in shape and fast in construction. Ball joints, flat grids, multilayer variable grids and reticulated shells, with steel tubes as members, are the largest structural types of space steel structures in china.
(3) light steel structure technology. With the light colored steel plate made of wall and roof structure of the new form of structure. There are standardized design procedures and specialized production enterprises, the product quality is good, fast installation, light weight, low investment, construction is not subject to seasonal restrictions, applicable to a variety of light industrial plants.
(4) steel-concrete composite structure technology. Steel and concrete composite structures composed of steel or steel and concrete members are widely used in recent years. The composite structure has the advantages of both steel and concrete, the whole strength is large, the rigidity is good, and the seismic performance is good. When using the wrapped concrete structure, it has better fire resistance and corrosion resistance.
(5) high strength bolt connection and welding technology. High strength bolts are used to transfer stress through frictional forces, consisting of three parts, bolts, nuts, and washers. High strength bolt connection of simple construction, demolition of flexible, high bearing capacity, anti fatigue performance and good self-locking performance, high security, engineering has replaced the riveting and welding part, has become the main means of connection in steel structure fabrication and installation.
(6) steel structure protection technology. Steel structure protection, including fire protection, corrosion protection and rust prevention, is generally used in the fire retardant coating, no need to rust treatment, but in corrosive gas construction, still need to be anticorrosive treatment.
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