What are the performance of architectural decoration curtain wall?

(1) The performance of architectural decoration curtain wall includes wind pressure deformation performance, rainwater leakage performance, air permeability performance, plane deformation performance, heat preservation performance, sound insulation performance, and impact resistance. The performance of architectural decorative curtain wall is related to the geographical location, climatic conditions, height, shape and surrounding environment of the building. In coastal or typhoon areas, the wind pressure deformation performance and rainwater leakage performance of the curtain wall are higher in the wind and sand area, while the wind pressure deformation performance and air permeability of the curtain wall are higher. For hot and cold areas, the performance of decorative curtain walls requires good thermal insulation. (2) Under the action of the wind load standard value, the relative deflection of the aluminum alloy profile should not be greater than the relative deflection of l≤180 (l is the span between the two fulcrums of the main column or main beam), and the relative deflection of the steel profile should not If greater than 1≤300, the absolute deflection should not be greater than 15mm. Building decorative curtain wall performance (3) Under the action of dividing the wind load standard value by the gust coefficient, the curtain wall should not have rainwater leakage, and the rainwater leakage of the building decorative curtain wall should meet the design requirements. (4) When there are thermal performance requirements, the air permeability of the curtain wall should meet the design requirements. (5) The plane deformation performance of the curtain wall can be expressed by the relative displacement value between the building floors. The curtain wall should not be damaged within the relative displacement range allowed by the design. The design should be carried out at 3 times the elastic displacement value between the main structure floors. What is the performance of the architectural decoration curtain wall: The heat transfer coefficient of the curtain wall should be designed and calculated according to the relevant specifications. Under the design environmental conditions, there should be no condensation in the curtain wall. For buildings with high thermal performance requirements, on-site thermal performance tests can be carried out. The grading index K of the heat transfer coefficient of the curtain wall shall meet the requirements of Table 17. The shading coefficient of the glass curtain wall should meet the requirements: the shading coefficient is designed and calculated according to the relevant specifications. The grading index SC of the shading coefficient of the glass curtain wall shall meet the requirements of Table 18. The thermal performance of the open building curtain wall should meet the design requirements.
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