Glass curtain wall construction regulations
(1) The curtain wall project of the same design, materials, process and construction conditions shall be divided into one inspection lot every 500~1000m 2 , and less than 500m 2 shall also be divided into one inspection lot.
(2) The inspection curtains shall be divided separately for the discontinuous curtain wall works of the same unit project.
(3) For curtain wall with special shape or special requirements, the division of inspection batch shall be determined by the supervision unit (or construction unit) and the construction unit according to the structure of the curtain wall, the process characteristics and the scale of the curtain wall project. Wenzhou Tempered Glass Factory
(4) At least one spot should be inspected for every 100m 2 of each inspection lot, and each place should not be less than 10m 2 .
(5) For the curtain wall project with special shape or special requirements, it shall be determined by the supervision unit (or construction unit) and the construction unit according to the structure and process characteristics of the curtain wall.
Glass curtain wall construction main control project
1. The quality of various materials, components and components used in the glass curtain wall project shall comply with the design requirements and the current national product standards and engineering technical specifications.
Inspection method: Check the product qualification certificate of the materials, components and components, the acceptance record, the performance test report and the re-inspection report of the materials. Jinhua Tempered Glass Factory
2. The shape and elevation of the glass curtain wall should meet the design requirements.
Inspection method: observation; ruler inspection.
3. The glass used in the glass curtain wall shall meet the following requirements:
(1) Safety glass shall be used for the curtain wall. The variety, specification, color, optical performance and installation direction of the glass shall meet the design requirements.
(2) The thickness of the curtain wall glass should not be less than 6.0mm. The thickness of the full glass curtain wall rib glass should not be less than 12mm. Wenzhou fire glass customization
(3) The insulating glass of the curtain wall shall be sealed by two channels. The insulating glass of the exposed frame curtain wall shall be made of polysulfide sealant and butyl sealant; the insulating glass of the hidden frame and semi-hidden frame curtain wall shall be made of silicone structural sealant and butyl sealant; the coated surface shall be the second of the insulating glass. Or on the third side.
(4) The laminated glass of the curtain wall shall be processed by dry processing of laminated glass using polyvinyl butyral (PVB) film. The thickness of the point-supported glass curtain wall interlayer film (PVB) should not be less than 0.76 mm.
(5) There shall be no damage on the surface of the tempered glass; the tempered glass below 8.0 mm shall be detonated.
(6) All curtain wall glass should be edge treated. Inspection method: observation; ruler inspection; inspection of construction records.
4. The various embedded parts, connecting parts and fasteners connected to the glass curtain wall and the main structure must be firmly installed. The quantity, specification, position, connection method and anti-corrosion treatment should meet the design requirements. Inspection method: observation; inspection of concealed engineering acceptance records and construction records.
5, the bolts of various connecting parts and fasteners should have anti-loose measures; the welding connection should meet the design requirements and welding specifications.
Inspection method: observation; inspection of concealed engineering acceptance records and construction records.
6. Invisible frame or semi-hidden frame glass curtain wall, two aluminum alloy or stainless steel retaining strips shall be provided at the lower end of each glass. The length shall not be less than 100mm, the thickness shall not be less than 2mm, and the outer end of the bracket shall be lower than the outer surface of the glass by 2mm. .
7. The glass installation of the exposed glass curtain wall shall comply with the following requirements:
(1) The matching dimensions of the glass notch and the glass shall comply with the design requirements and technical standards. Wenzhou tempered glass customization
(2) The glass and the member shall not be in direct contact, and there shall be a certain gap between the periphery of the glass and the bottom of the groove of the component. At least two elastic positioning blocks of the same width and notch width and not less than 100 mm in length shall be placed in the lower part of each glass; glass The amount of embedding and voids on both sides should meet the design requirements.
(3) The material and type of the rubber strip around the glass should meet the design requirements. The inlay should be flat. The length of the rubber strip should be 1.5%~2.0% longer than the inner groove of the frame. The rubber strip should be cut off at the corner and be bonded with adhesive. Firmly fit into the groove. Inspection method: observation; inspection of construction records.
8. The full glass curtain wall with a height of more than 4m should be hung on the main structure. The hanging clamp should meet the design requirements. The gap between glass and glass, glass and glass rib should be tightly packed with silicone structural sealant.
Inspection method: observation; inspection of concealed engineering acceptance records and construction records. Wenzhou fire glass manufacturer
9. The point-supporting glass curtain wall shall be a movable stainless steel claw with a universal head, and the center distance between the steel claws shall be greater than 250 mm.
Inspection method: observation; ruler inspection.
10. The connection nodes around the glass curtain wall, the inner surface of the glass curtain wall and the main structure, the joints of various deformation joints and corners shall comply with the design requirements and technical standards.
Inspection method: observation; inspection of concealed engineering acceptance records and construction records. Jinhua tempered glass customization
11. The glass curtain wall should be free of leakage.
Inspection method: Water spray inspection at the leaky part.
12, glass curtain wall structural adhesive and sealant should be full, dense, continuous, uniform, no bubbles, width and thickness should meet the design requirements and technical standards.
Inspection method: observation; ruler inspection; inspection of construction records.
13. The accessories for the glass curtain wall opening window should be complete, the installation should be firm, the installation position and opening direction and angle should be correct; the opening should be flexible and the closing should be strict.
Inspection method: observation; hand check; open and close inspection.
14. The lightning protection device of the glass curtain wall must be reliably connected with the lightning protection device of the main structure.
Inspection method: observation; inspection of concealed engineering acceptance records and construction records.