Steel Pipe Structure and Application

Keywords:steel pipe structure, astm a500
In the past 20 years, the structure of steel pipe has been developed rapidly at home and abroad. It has been widely used in modern industrial buildings, warehouses, gymnasiums, exhibition halls, venues, terminals, stations and office buildings, hotels and other buildings. Because of its good performance, more and more widely used at home and abroad. Pipe structure from the structure can be divided into beam structure, arch structure. From the layout can be divided into planar tube structure and space tube structure. Mainly used in two cross-section of the tube: tube and square tube. The pipe is connected to the pipe through the intersecting weld, since the treatment makes the structure more neat and beautiful. Pipe structure and the combination of cable formed by the mixed structure of the system, such as the aforementioned beam string structure to give full play to the superiority of different materials or components, is the future structure of the development of a direction. Pipe trusses have been widely used in large span facilities such as gymnasiums, terminal buildings, convention centers and recreation centers.

The tube node is a very important problem in the tube structure, which includes a wide range of topics such as local stress and strain analysis of pipe joints, study of failure mechanism, elasto-plastic analysis, design parameter study, influence of load and branch restraint and fatigue life. Because of the different positions of the joints in the structure, the connected components have different forms, the stress conditions and the requirements of the construction are different. The structure of the pipe nodes is many, and the new structure forms are constantly generating new nodes. The current research results Still can not cover all the tube node form. For example: to ASTM A500 square tube as the main tube, pipe pipe for the branch pipe bearing capacity is also very few people involved.
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