Introduction to the Characteristics of Architectural Curtain Wall
The curtain wall for long use in building usually consists of panel (glass, aluminium plate, stone plate, ceramic plate, etc.) and supporting structure behind (aluminium beam column, steel structure, glass rib, etc.). This external wall system is supported on the main structure and usually encapsulates the main structure.
Because of the wide gap between the panels and the movable ability of the connection between the panels and the beams and columns, the curtain wall can withstand 1/100 of the large deformation in the plane. If bolt, rocker arm and spring mechanism are used to connect the curtain wall with the main structure, large relative displacement can be generated between them. Even when the lateral displacement of the main structure reaches 1/60, the curtain wall will not be destroyed.
Building curtain wall is different from filling wall. It has the following characteristics:
1. It is a retaining structure that does not share the load and action of the main structure.
2. It is a complete structural system consisting of a panel and a supporting structure.
3. It can withstand large deformation in its own plane or has enough displacement capacity relative to the main structure.
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