Installed at the processing site selection of colored steel sandwich plate deformation capacity of its wind should be considered in addition to considering the decorative effect. The wall board is mainly exposed to wind load deformation resistance to wind loads capability depends on the thickness of the plate, and the fulcrum spacing and support conditions. If the span is too large, colored steel sandwich board is easy to produce wind load effect Deflection impact curtain overall effect. If designed properly, but also left on the plate irreversible plastic deformation. Color steel sandwich panel, color steel sandwich panel processing steel structure and handling Caigang of sandwich panels before installation should be possible to retain the factory packaging, should be kept in indoor. Lifting equipment and heavy objects such as piling up in the outdoors, stacked locations should be smooth, no water and over should have after the board with skids booster 20cm, soft material to be placed between the board and the board, the same model The board put together each pile board should be easy to identify the board type label and cover the rain tarpaulin. Stacking space should be set the temporary Weidang, to avoid unnecessary damage to personnel moving around causing plate.
The installation of the curtain wall panel color steel sandwich panel installation general activities scaffolding, ensure the carrying capacity of the construction scaffolding, but also take into account: (1) curtain wall surface, between the work surface with the axis distance; (2) cross-references surface find the spacing and location of the control point, resistance Note TONGSHI; (3) control the reference plane to identify the installation angle of the pitch; the level difference between the (4), with the control elevation; (5) with the building vertical spacing and with each floor spacing. The carrier sheet should be two at the same time lifted, so as not to damage the surface oxide film or coating. Installing wall panels, each time only lifting the one plate, and provided by the manufacturer should be used dedicated jig in wallboard length direction of the stitching, at 2:00 lifting wallboard.
Slowly lifting process, use wind cord of control, to avoid and installed wallboard bump, scaffolding protruding parts with soft material wrapped. Sandwich panels fixed mainly two ways: one is the self-tapping screws through the wallboard directly fixed to the structure of the wall times. Another approach is a self-tapping screw through the connection member is indirectly connected to the secondary structure and wall. Curtain wall panel installation precision: the verticality of the facade 2mm, 3mm surface roughness, flatness of joints 0.5mm. Installation according to the factory to provide the technical manual strictly enforced. Weather rubber used in the fixed income side panels and flashings board with weather rubber caulking seal to prevent gas permeability and rainwater leaking. Caulking weather rubber plastic injection should pay attention to: (1) the gap between the fully clean plate to ensure that the adhesive surface clean and dry; (2) to adjust the depth of the seam, avoid trilateral dipping seam filled PVC foam materials (round bar); (3) dispensing glue seam should smooth the surface, remove the excess glue; (4) Note dispensing conservation, the glue is not completely hardened before, do not dust and planning injury. After the end of the installation closeout color steel sandwich panel curtain wall installation, top to bottom, layer by layer to tear up the the wallboard surface of protection film layer synchronization Dismantling. steel structure should pay attention to protect the wallboard, not bumps, scratches, and finally completed the entire curtain wall works. The impact of construction to the curtain wall and curtain wall components such as surface decoration adhesive material should be immediately removed.
Curtain wall project after the installation is complete, from top to bottom cleaning solutions should be developed to prevent surface decoration exception occurs. Neutral detergent for cleaning the wall panels should be tested to prove that no corrosion on the the wallboard surface of coating. Mild detergent should be washed with water. Color steel sandwich panel curtain wall maintenance and maintenance of the curtain wall system must carry out regular cleaning and maintenance, generally at least once a year for a routine check, and to identify potential problems and to maintain the appearance of its surface and extend the service life. Cleaning the surface must be careful not to scratch the surface occurs phenomenon, avoid the use of bleaching ingredients and the abrasive-containing washing liquid, steel balls, grinding tools, etc., end washing to use clean water from top to bottom to rinse the surface. If the wall surface is damaged, should be promptly repaired, the underlying processing by the underlying cleaning, except oil patch at the top of defects, the find equal process in steel structure to ensure the top of the formation, the putty should be at least full scraping 2 times. Brushing coating brush primer before, the topcoat should brush at least 2 times. The complex fill putty and sanded processing should be performed after each pass topcoat refers dry, and wipe with a damp cloth buoyancy on the film, then brushing under 1 times. Coating trim include polished, polishing and other processes, surface water should be used sandpaper, polishing clean soft cloth dipped in sand wax should be used to wipe the surface polished.
The course of development of the steel building system
http://steelpergolas.blogspot.com/2012/12/the-course-of-development-of-steel.html
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