钢结构建筑演示文稿.ppt

钢结构建筑演示文稿
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钢结构建筑
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Steel structure building is a new type of building system, there are rbeen widely used in the construction industry has been abroad. In developed countries, high-rise steel structure residential high-rise, very common. Steel column, h-beam steel reinforced concrete column, square pipe steel column, circular cylinder and steel pipe concrete column is more; beam generally use the H type steel; joints connected by high-strength bolts or welding or a combination of them. Floor is usually a combination of cast steel deck slab, retaining structure mainly uses the light energy-saving standard prefabricated wall panel. Fire mainly adopts the fireproof paint or fire board coating. At present in the industrial developed countries steel structure housing the more popular.
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2、The scale of the development of steel structure
Steel frame residential Australia, Japan accounted for 50% of the number of residential, America steel frame residential accounts for about 20% of the total residential, Finland, Sweden, Denmark and France, have formed the industrialization of system of steel structure house a considerable scale.
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3、The successful case of steel structure abroad
Steel structure has light weight, high strength, fast construction and other unique advantages, so the high-rise, long-span, especially the super high, super long span, steel structure is very good. At present,the world's largest highest structures are used in steel structure, and the previous Olympic venues also use of steel structure. Several pure steel structure building in the world has been built as the world's tallest skyscraper, they are:
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Built in 1931, 102 layers, 381 meters high USA The Empire State Building in New York (until the 1969 is the highest)
Built in 1969, 110 layers, 417 meters high USA New York World Trade Center (North and south two)
美国纽约帝国大厦
美国纽约世贸中心
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Built in 1970, 110 layers, 443