Publish Time: 2022-04-23 Origin: Site
"Unitized curtain wall" can be mainly divided into: "Unitized curtain wall" and "semi-Unitized curtain wall", also known as rigid Unitized curtain wall. Inter-wall unit curtain wall. The above-mentioned Unitized curtain walls are classified differently, but the basic principles are exactly the same. It is essentially different from the frame curtain wall in the design and construction of the production principle.
What is the principle of Unitized curtain wall to solve water leakage?
What is the reason why more and more people choose the Unitized curtain wall?
What are the precautions for the construction of Unitized curtain wall?
In order to achieve the isobaric pressure of the Unitized curtain wall, we keep some or all joints open, but the isobaric cavity is not a ventilated space, and it must be limited to a certain range of ventilated space in order to effectively produce the isobaric effect. In order to achieve a complete isobaric effect, the pressure in the "isobaric chamber" must be maintained at or above the outdoor pressure at all times. However, we know that the pressure on the surface of the building will not be permanent due to the change of wind speed at any time. The higher the building, the larger the pressure difference will be. The positive wind pressure near the ground is smaller than the positive wind pressure at the height, and the positive wind pressure in the center of the façade is larger than the positive wind pressure in the corners. The same horizontal material may be subjected to positive pressure at one end and negative pressure at the other end, plus other factors. The design of the isobaric effect is more complicated and difficult. Therefore, high-tech solutions are required. The isobaric principle is the unique core of the Unitized curtain wall.
1. The yin and yang inlaid connection between the unit and the unit has a strong ability to adapt to the displacement of the main structure, and can effectively absorb earthquake action, temperature change, and inter-story displacement. The Unitized curtain wall is more suitable for super high-rise buildings and pure steel structure high-rise buildings.
2. Use glue strips to seal the meeting place, and do not use weather-resistant glue (which is the current development trend of domestic and foreign curtain wall technology). It is not affected by the weather on glue, and the construction period is easy to control.
3. Because the Unitized curtain wall is mainly constructed and installed indoors, the adaptability of the main structure is poor, and it is not suitable for the main structure with shear walls and window walls.
Strict construction organization and management are required during the construction of the Unitized curtain wall, and there are strict construction sequences during construction, which must be installed in the order of plugging. There are strict restrictions on the placement of construction machinery such as vertical transport equipment for main construction, otherwise the installation of the entire project will be affected.
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