The rapid development of steel structure in China has become a new green building industry. Many buildings in our country are now steel structure buildings, steel structure buildings are not only stable but also conducive to environmental protection. After nearly 20 years of development, it now has a certain scale.
Steel structure has developed from light steel to heavy steel and space grid:
From single-storey factory buildings to multi-storey factory buildings: from H-shaped structure to U-shaped and box-shaped structure; from multi-storey buildings to high-rise and super high-rise buildings. Its wide application, can be described as a variety of names. From general residential buildings to industrial plants, airport terminals, stadiums, TV towers, skyscrapers, everything. With the increasing content of building technology, the production quality requirements of products are also getting higher and higher: in the production of steel structure, the welding process qualification and crack problems, through the actual case analysis, put forward the specific operation requirements and prevention methods, in order to promote the improvement of product quality.