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Main frame part of steel structure house
Release time:2017-05-05 14:12:31 | Views：
Main frame part of steel structure house 

H type steel, can be divided into hot-rolled and high-frequency welding. It is the first choice for the development of steel structure residence at the present stage. The disadvantage is that the consumption of steel is large, and the difficulty of node processing. U type steel, cold roll forming, the thickness of 1.6 8mm dead height is 50 452mm. In Europe and the United States is not commonly used in Japan, it is a light steel residential, especially modular residential support beams of the preferred timber. The advantages are that the consumption of steel is little, the disadvantage is that the cross section is unstable and the deformation is considered. At present, it is difficult to compete with H. 

C type steel, cold roll forming, the thickness of 1.56mm dead height 73380mm. In Europe and the United States it is the main material of light steel residential support beam column, steel structure in Japan as a supporting column in a small number of applications. In China, due to market consumption and lack of experience with the corresponding, although difficult and H type steel competition dead but shall be used as the main research direction of steel steel structure housing. 

Square steel, cold roll forming, high frequency welding, thickness 1.58mm, length of 20200mm. In Japan it is the preferred choice of modular residential support column, Europe and the United States is not used. The utility model has the advantages of stable cross section and convenient arrangement of nodes. At present, it is difficult to compete with H. 

Light steel keel, cold forming, as the thickness of the dead bearing keel is more than 1.5mm and the length of 60360mm. Japan rarely uses this support system, mainly in the use of some European and American manufacturers. Domestic production capacity of light steel keel is very large, the production equipment and raw materials supply are very mature. But there are two points worth noting: first, the section size of the keel is small, the performance is not as good as other supporting beams of refractory materials, the design should pay close attention; second, the domestic light steel keel design experience as bearing supporting beams and columns of the node is very few, mechanical research and support system calculation method and software development should be the focus.
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