The dry hanging stone for exterior wall decoration is the curtain wall? How to understand the maintenance structure? Because the exterior decoration construction enterprise of our project has no qualification for curtain wall construction, but we have the exterior decoration of dry hanging stone, and the supervision can adhere to the enterprise with the qualification of curtain wall construction. Is the exterior decorative dry hanging stone a curtain wall?
Answer: Article 18.2.1 of the Code for Quality Acceptance of Building Decoration Engineering (GB50210-2001) stipulates that the quality acceptance standard for veneer installation works is applicable to the installation of interior wall veneers. The engineering and height are not more than 24m, and the seismic fortification intensity is not more than 7 The quality acceptance of the installation of the exterior wall veneer.
That is to say: the outer wall of the hanging stone with a height of more than 24m is the curtain wall.
First of all, according to the formal saying, “dry hanging†refers to one kind of construction technology, which is the scope of technology. The problem mentioned above should be slightly more specific, that is, “the difference between the outer wall and the outer wall and the stone wallâ€. ".
The second point is to know the definition of the curtain wall. The curtain wall we refer to refers to the building curtain wall. The building curtain wall currently includes glass curtain wall, metal and stone curtain wall, etc. The naming and difference are different from the decorative panel used. According to the specification, the building curtain wall is composed of metal frame and sheet metal, and does not bear the load and function of the main structure.
Difference: According to its definition, we can know that the stone curtain wall belongs to the “building envelope structureâ€. As the building exterior structure is to withstand the wind load, etc., the dry curtain wall needs air tightness, water tightness and resistance according to energy saving requirements. Wind pressure detection. And we say that the external wall of the exterior wall of the exterior wall is not used as a peripheral protection function, but the decorative system outside the wall is used for single-face finishes. Therefore, the detection is also related to the strength of the plate. And the corresponding parts and anchoring pull-out test, the "three-sex" test is not required.
Dry hanging refers to the use of cement nails and iron wire (or copper wire), opening holes in the back and sides of the stone, hanging the stone with iron wire or (copper wire), and grouting the back of the stone is called dry hanging (wire hanging)!
The second type is to use the angle steel to fix the wall surface, and then fix the bottom of the stone and the upper slotted part with a stainless steel pendant of not less than 5mm thick, and seal it with a marble glue joint, also called dry hanging.
The stone curtain wall refers to the stone surface that is used outside the building and has a large area and is supported by the main steel frame. It does not bear the load of the main structure, but bears the displacement of the main structure, which is called the stone curtain wall.
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