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3. Application of light weight steel:
3.1 Lightweight steel floor systems
the floor by the C type light steel joist and spread in the sheet on the joist.Joist generally span of 3.6 meters to 3.6 meters, joist high is 254 mm joists, joist spacing is 600 mm.There are three floors, respectively is: high density wood fiber cement;
3.2 The vertical wall structure
Vertical wall structure will cross wall inside as a general structure of the main wall, wall column for C type light steel structures,the lower end of the posts for the u-shaped opening up at the bottom of the tank beam, wall column top to speak up to the top downward U groove beams.In order to improve the stability of the wall column, general wall column height range with three light steel brace.This wall structure arrangement, can be effective and reliable delivery under vertical load,and the arrangement is convenient,but the wall structure cannot bear horizontal load.
3.3 Thermal insulation construction technology
in the light steel housing system,attaches great importance to technology of heat preservation and heat insulation,for wall in order to ensure the heat preservation effect,usually in addition to the wall of the wall between column filled with glass fiber,put a layer of insulation in the wall of the lateral again,effective partition of the thermal bridge,through the wall column to cladding;Fill glass fiber between floor joists, minimize heat transfer through the floor;All interior wall posts are filled between the glass fiber, reduce the heat transfer between the household wall.
3.4 Building fire prevention technology for light weight steel frame
for the light steel structure is one of the most critical problem is the application of firewall technology,on both sides of the wall and floor of the smallpox of fire prevention plasterboard,for common firewall and the ledger wall with 25.4 mm (1 inch) thick plasterboard protection, in order to achieve an hour fire prevention requirements.
3.5 Building sound insulation technology
in light weight structural, fill glass cotton between the external walls and floor joists, effectively prevent the audio part of spreads through the air, and for rushing sound
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