Light steel structure building development is wide
In the 1990s, China’s steel structure building is developing very rapidly, and especially some representative city landmark of high-rise building is built, for steel structures in the development of our country has turned a new page. The world first the height of the alleged in pudong, Shanghai world financial center, 95 stories, 460 meters high, building area of 310000 square meters, and now it is racing to construction.
The development of light steel structure is full swing, especially in the industrial plant construction is more rapidly. From the steel structure manufacturing processing, the construction enterprise to a sharp increase in the number of can be a furore in Shanghai, such as the steel structure manufacturing and construction units already by original at dozens of development up to now 400. Good situation, how to exploit, pays special attention to the design and construction quality, which is now a very urgent question.
Light steel structure superiority
The so-called light steel structure are usually refers to the steel structure of the following a: light steel tubular structure; Hot rolling of light steel structure; Welding or high frequency welding of light steel structure; Thin-walled steel structure; the cold bending partition of the composite beams with thin welding and welding composite column and the structure of the form.
According to China’s present situation, the steel structure because of its wide application, advantages, has a single application in industrial workshop, muti-floor industrial building, office buildings and high-rise buildings in the bearing component part, etc. House cap system or floor system with pressed colorful steel plate surface can be on site concrete, pressed steel plate can be use as a single industrial workshop of reinforced, concerned, usually in h-beam, welding connection to C form as beam-column or Z form for light steel purlin, when necessary, also can match again reinforced. Metope palisade also can the single or sandwich pressed steel, interlayer board can be filling various internal thermal insulation layer.
Steel structure’s advantage is: construction period is short. Light steel structure of the biggest advantage is all components are by the factory site joining together can be installed on general smaller industrial workshop only 45 days to 2 months, and the reinforced concrete building is to 8 to 12 months or so.
The overall economic efficiency good: because construction period is short, can be put into use in advance in advance, for the benefit of investment; The more due to the colorful color pressed steel, beautiful and luxuriant, improve the sense of the dynamic of the surrounding environment; Because of the building itself light weight, usually need not do pile foundation, can save investment; Because used polystyrene foam sandwich board has ene or the single board with insulation measures such as cotton, make and sound insulation, heat insulation heat preservation and the effect is good. Color steel plate to galvanized for boards and with silicone surface, as the two except two baking process from durability is better also. According to the current market price of the our country, the cost of light steel structure is lower than it has been reinforced concrete structure, the greater the span of plant when, the more obvious advantages, this also is to which it one of the great strengths of competition.
It is because of light steel structure, and with the many advantages in recent years the fire protection, the anticorrosion new product appear constantly, and has better solve the light steel structure corrosion resistance, making it the poor quality of the industrial workshop civilian facilities and gained a very good application.
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