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Composition of space frame .pdf

Original filename: Composition of space frame.pdf
Author: MELEK

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Composition of space frame
Space frame structure is generally composed of roughly the same grid or smaller unit, often used
in roof structure.
Generally, the flat grid space structure is called the grid frame and the curved grid space structure
is called the grid shell. The gird frame is generally double-layered to ensure the necessary stiffness.
Grid shell has single layer and two layers. flat grid space structure is simple in design, calculation,
structure and construction, so it is a good form for large, medium and small span roof system.
1. The pipes of single-layer grid frame and the double layer shell frame can be divided into: the
upper chord, the lower chord and the web members, which mainly bear the tension and pressure.
Node balls can be welding ball and bolt ball.
2.Frame accessories: high-strength bolts, stripe less nuts, sealing plate, cone, jackscrew, support,
bracket, rubber pad.
3.Bracket material: disc (φ100*6, φ120*6, φ150*6), high-frequency welded pipe (size according to
the slope) Specification of connecting bolt(φ148, φ160, φ176)
4. Supporting materials: steel plate, lead screw, gasket and nut.
LF is a professional manufacturer and engineering company for space frame and steel structure
LF Business scopes: designing, fabrication, installation of coal storage and related equipments for
Tel :+86 516 8595 0258


power plant, cement warehouse, stadium, exhibition hall, railway station roofing system, gas station
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