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What Are The Performance Requirements For Metal And Stone Curtain Walls?
Aug 24, 2017


Firstly, the performance of the curtain wall should include the following items:

  1. Wind pressure deformation performance;

  2. Rain leakage performance;

  3. Air permeability;

  4. The plane deformation performance;

  5. Insulation performance; 6 sound insulation; Impact performance.


Secondly, the performance level of the curtain wall should be based on the location of the building location, climate conditions, the height of the building, size and the surrounding environment to determine.


Thirdly, the curtain wall structure of the column and the beam under the wind load standard value, the relative deflection of steel profiles should not be greater than 1/300 (l for the column or beam between the two points between the span), the absolute deflection should not be greater than 15mm; The relative deflection should not be greater than 1/180, the absolute deflection should not be greater than 20mm.


Fourthly, the curtain wall in the wind load standard value divided by the wind power coefficient after the wind load value, should not occur in the rain leakage. Its rainwater leakage performance should meet the design requirements.


Fifthly, the thermal performance requirements, the curtain wall of the air permeability should meet the design requirements.

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