Light steel structure is mainly used in does not bear large load bearing building. Using light steel H (welding or rolling; variable cross section or section) made of steel frame support, C type, Z type of cold-formed steel for purlins and wall beam, profiled steel sheet or light sandwich panel roof, wall structure, high strength bolt, modular power house bolt and self tapping screws and other joints and seals material assembled low layer and multilayer prefabricated steel structure building system.
Advantages of editing earthquake: the roof of low rise villas are sloping roof, the roof structure basically uses is the triangular roof system made of cold-formed steel, light steel members in sealed ends structural plate and plaster board sandwich board, formed a very strong "plate structure", this kind of structure system the earthquake resistance and load ability stronger, suitable for seismic intensity of 8 degrees above the area.
Wind resistance: the construction of light steel structure of light weight, high strength, good integral rigidity, deformation ability. The weight of buildings is only 1/5 of brick and concrete structure, can resist 70 meters per second hurricane, which can effectively protect the life and property.
Durability: light steel structure residential cold-formed thin-walled steel structure using all system components, steel using super anticorrosion high strength cold rolled galvanized sheet manufacturing, effectively avoid the influence of steel in the construction and use of the process of corrosion, increase the service life of steel member. The structure of life up to 100 years.
Insulation: insulation material used to glass fiber cotton, good insulation effect. For external wall insulation board, effectively avoids the wall "cold bridge phenomenon", achieve better insulation effect. 100mm R15 insulation around thick cotton thermal resistance can be equivalent to 1m thick brick wall.
Insulation resistance: the sound effect is an important index to evaluate the residential, light steel system installation window adopts hollow glass, sound insulation effect is good, noise of 40 decibels or more; composed of light steel keel, gypsum board wall insulation, the sound insulation effect can be as high as 60 db.
Health: dry construction, reduce waste on the environment caused by pollution, the steel structure housing the material can be recycled 100%, other supporting material also can most recovery, with the current environmental protection consciousness; all the materials for the green building materials, meet the requirement of the ecological environment, conducive to health.
Comfort: light steel wall using high energy saving system, with respiratory function, can adjust indoor air humidity; roof with ventilation function, can make the house form over the air flow between, ensure the roof inside of the ventilation and cooling demand.
Shortcut: all dry construction, no environmental effects of season. A 300 square meters of the building, only 5 workers of 30 working days to be completed from the foundation to the entire process of renovation.
Environmental protection: materials can be recycled 100%, truly green pollution-free.
Energy saving: the use of efficient energy-saving wall, thermal insulation, heat insulation, good sound insulation effect, energy saving standard can be reached 50%.
Light steel structure usually has two kinds: one kind is made of a thin steel plate (thickness below 6 mm) framework structure of thin-walled steel cold rolling composition; one is the use of the cross section of the smaller (such as steel, steel, flat steel truss etc.) production, then the composition of skeleton; steel structure villa skeleton structure and mixed use two methods composition. Thin-walled steel is widely used in automobile, aircraft and ship structure on, promote the development of light steel structure in industrialization system construction in. After the Second World War, British CLASP and SEAC light steel structure of the school of architecture, the French appeared GEAJ light steel structure residential and office building system. The light steel structure building is light, convenient for industrialized production, fast assembly, convenient construction, especially suitable for the requirements of rapid construction and need to move buildings, are used in schools, residential, office, hotel, hospital and factory and warehouse etc.. But must prepare antirust treatment and to strengthen the maintenance, in order to improve the durability.
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