The steel structure aircraft hangar is referred to as the hangar, which is the main building of the aircraft maintenance area. According to the different requirements of aircraft maintenance quantity and maintenance items, the plane layout, building height and structural form of the designed steel structure hangar are also different. Mainly depends on the following factors:
1. The type and quantity of aircraft to be maintained at the same time, the maintenance items and the degree of maintenance required.
2. Requirements and restrictions on hangar structure height and plane layout.
3. Design requirements for hangar doors, cranes and working platforms.
4. Configuration requirements for fire-fighting facilities inside and outside the hangar.
5. Site conditions and development trends.
The plane layout and height requirements of the steel structure hangar are special, which directly affect the structure of the hangar. Due to the large span of the prefabricated steel structure hangar, the self-weight of the structure (mainly referring to the roof system) accounts for a large proportion of the total load. If the self-weight of the structure can be reduced, obvious economic benefits can be obtained. The prefabricated steel structure has the advantages of high strength, light weight, small section, good weldability, and simple manufacturing process.
Introduction and use of prefabricated hangar materials and accessories
High-strength bolts are standard parts, which are generally used for permanent connections after initial screwing and final screwing during construction. Connection points for connecting steel structural steel plates in steel structure hangars.
The large hexagon head high-strength bolt connection pair consists of a bolt, two washers and a nut. The use of bolts, nuts and washers shall meet the requirements.
The high-strength bolts with large hexagonal heads are checked and stored in accordance with the specifications. It should not be used when it is rain-proof, moisture-proof, the thread is damaged or the bolts and nuts are not matched.
When the high-strength bolts with large hexagonal heads are stored for a long time or rusted, the tightening axial force should be checked randomly, and they can be used only after they meet the requirements. Bolts must be free from dirt or oil and must be clean.
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