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Selection and Application of Structural Steel Materials for Aircraft Maintenance Hangars​

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 Aircraft maintenance hangars , as the core facilities for aircraft inspection and repair operations, must endure long-term exposure to large-span loads, extreme weather conditions, and complex operational environments. Consequently, stringent requirements are imposed on the strength, weather resistance, and stability of the structural steel materials employed. The judicious selection of suitable steel structural materials not only ensures the hangar's safe operation but also reduces construction and maintenance costs. Based on the functional requirements of different structural components within the hangar, commonly used steel structural materials can be categorised into three main types, each playing a critical role in hangar construction. I. Primary Load-Bearing Structure: The Core Material Supporting the Hangar's ‘Skeleton’ The primary load-bearing structure forms the hangar's ‘skeleton’, bearing the hangar's own weight, aircraft parking loads, and external forces s...
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What are the characteristics of the space frame structure

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space frame roof


  1. The space frame is a mesh structure composed of many steel bar. It is a high -end super -static space structure. The space frame structure can be divided into two types: flat space frame and curved space frame.
  2. The flat space frame is used more. The advantages are: space stress system, the pole parts are mainly axial force, reasonable force, good overall performance, large rigidity, and good shock resistance. There are fewer rod types, suitable for industrial production.
  3. Space frame can be divided into two types: cross truss system and corner cone system. The corner cone system is more reasonable and greater.
  4. The height and short -span of the space frame is generally about 1/15. Steel tubes are generally used, and nodes generally use ball nodes.

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What are the differences between bolted ball grids and welded ball grids?

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