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rg2019-07-23  Դnlindblad.org

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  With the development of spatial structure theory, in the early 1990s, the spatial grid structure roof system began to be applied in the single-storey industrial plant. As a kind of space system, the space theory is more advanced than the calculation theory of plane system, and the design of members is based on the concept of full stress, and most programs can be designed according to the minimum weight of the net frame, so that the steel amount of roof with different spans is more reasonable. The space stiffness of the grid frame is large, the integrity is good, the anti-seismic ability is strong. Net frame structure of light weight, steel consumption, both small and medium span, but also suitable for large span housing

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⣬֧оWܵҼ䓽ʩ^ЩSҪҒؙCþWܽYtؙC܉ҪܾWcλõƣˇ`ܵҼơTʽܽYԪĽMwʽ࣬Іο硢pĆ(p)Tʽܡwww.0808sz.com,ŮװӾװ,www.sf58.comĽ߶Ҽȵ130145Ľ߶^СԽͷݵĸ߶ȣĶЧýBgSȸ^^sr

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