[China Glass Net] The glass curtain wall is a new and beautiful architectural wall decoration method. It is a distinctive feature of the modernist high-rise building era and the development direction of modern high-rise buildings in the future. The glass curtain wall of the modern high-rise building is a combination of mirror glass and ordinary glass. The compartment is filled with dry air or inert gas. Let's take a look at the design specifications and precautions of the glass curtain wall!
The glass curtain wall is a contemporary new type of wall. It refers to the combination of the title structure system and the glass. Not only can the main structure withstand the outer fence of the building but also the decoration, it can beautify the building to a large extent. Of course it There are also disadvantages. The so-called glass curtain wall is also standardized, that is, the glass curtain wall specification, the glass curtain wall specification is specifically for the design of the glass curtain wall. A specification for construction, the specification of the glass curtain wall is formulated by the relevant state departments, and we will give you a detailed explanation below.
Glass curtain wall technical specification
1. Steel: The surface of the steel needs to be galvanized or inorganic zinc-rich paint.
2, aluminum alloy: surface anodizing, electrophoretic painting, powder coating and fluorocarbon coating
3, hidden frame, semi-hidden frame glass curtain wall, glass and aluminum bonding must use neutral structure silicone sealant, all glass curtain wall and point-supported curtain wall coated glass, should not use acid silicone structural sealant
4, wear-resistant process insulation aluminum profiles of insulation materials: polyamide + glass fiber casting process insulation aluminum profiles insulation material: polyurethane.
5. Stainless steel for glass curtain wall should be made of austenitic stainless steel, and the nickel content should not be less than 8%.
6, hollow glass for glass curtain wall: gas layer thickness ≥ 9mm, should be double-channel seal, one with butyl hot-melt sealant, two with silicone sealant.
7. Laminated glass for glass curtain wall: Polyvinyl butyral film should be used for the clip.
8. The rubber products of the glass curtain wall should be: EPDM rubber, neoprene rubber and silicone rubber.
9. The opening angle of the curtain wall should not be greater than 30 degrees, the opening distance should not be greater than 300mm, and the cleaning equipment should be set at a height of more than 40 meters.
10. When there is heating, ventilation and air conditioning requirements, the airtightness of the glass curtain wall should not be lower than level 3.
11. The glass curtain wall shall be made of curtain wall glass with a reflection ratio of not more than 0.3. The lighting reduction factor of the glass curtain wall with lighting requirements shall not be less than 0.2.
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