The steel structure warehouses means that the main load-bearing members are composed of steel. Including steel pillars, steel beams, steel structure foundations, steel roof trusses (basically now are steel structure trusses), steel roofs, steel walls can also be maintained with brick walls. Due to the increasing of steel production in China, many companys have begun to adopt steel structure warehouses, and it can also be divided into light and heavy steel structure warehouses. Industrial and civil construction facilities constructed of steel are called steel structures.
The steel structure warehouse has light weight, high strength, good overall rigidity and strong deformation ability. The building's own weight is only one-fifth of the brick-concrete structure, which can withstand hurricanes of 70 meters per second, so that life and property can be protected effectively . The steel residential structure is composed of cold-formed thin-walled steel members The steel bone is made of super anti-corrosion high-strength cold-rolled galvanized sheet, which effectively avoids the corrosion effect of the steel sheet during construction and use, and extends the service life of light steel components. The structural life can reach 100 years.
The sound insulation effect is an important indicator for evaluating the house. The windows installed in the steel system are all made of insulating glasses. The sound insulation effect is well ,and the valure is more than 40 decibels. The wall made up of light steel keel and thermal insulation gypsum board can have a sound insulation effect of up to 60 decibel. The steel wall adopts an energy-efficient system, has a breathing function, and can adjust the indoor air dry humidity; the roof has a ventilation function, which can form flowing air between the interior of the house to ensure the ventilation and heat dissipation requirements inside the roof.
When the surface temperature of the steel is within 150℃, the strength of the steel changes little, so the steel structure is suitable for using in a hot shop. When the temperature exceeds 150℃, its strength is significantly reduced. When the temperature reaches 500-600t, the intensity is almost zero. Therefore, with the event of a fire, the steel structure has a short fire-resisting time and a sudden collapse will occur. For steel structures with special requirements need Insulation and fire resistance measures.
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