Publish Time: 2022-05-06 Origin: Site
Window wall refers to the non-load-bearing exterior wall enclosure of a building, usually consisting of panels (glass, metal plates, slate, ceramic plates, etc.) and supporting structures behind (aluminum beams, columns, steel structures, glass ribs, etc.).
What are the performance requirements for the window wall?
What are the advantages of window wall design?
What are the construction requirements for window walls?
1. The performance requirements should be selected according to the area where the building is located, climatic conditions, the size and height of the building, the surrounding environment and the importance of the building.
2. The geography, climate, environment and the state of surrounding buildings should be clearly defined. The type, shape, height of the building, and the location and shape of the windows and walls are clearly defined in the form of text and drawings.
3. According to the technical parameters from 1 to 20, various performance requirements of the window wall are proposed.
2. The film thickness of aluminum alloy profiles should comply with the regulations in "Metal Coating System".
3. The steel surface of the window wall should be treated with anti-corrosion. When hot-dip galvanizing is used, the film thickness should be greater than 45μm; when electrostatic spraying is used, the film thickness should be greater than 40μm.
4. There should be insulation measures between different metal materials to prevent electrochemical corrosion between dissimilar metals.
The window wall is a new type of contemporary wall. The biggest feature it endows the building is to organically unify factors such as architectural aesthetics, architectural function, building energy saving and building structure, and changes in lighting give people a dynamic beauty. In major cities on all continents of the world are built magnificent ornate window and wall buildings.
The vertical main keel of the window wall should be regarded as the down-conductor, and the cross-section of the vertical main keel must reach 100mm² when using flat steel products for the bridging.
In addition to the welding method, the thickness of the metal material of the window wall should reach 4mm by the crimping method.
The lap length of round steel is 6 times its diameter, and both sides are welded; the lap length of flat steel is 2 times its width, and three sides are welded; the welding place is treated with anti-corrosion.
Different metal crimping should be treated to prevent galvanic corrosion. For example, when connecting steel and aluminum, the steel should be tinned; or a stainless-steel gasket should be added between steel and aluminum.
After the completion of the construction of the window wall, there must be an authoritative testing agency for testing, and the grounding resistance value required by the design and specifications must be met.
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