Aluminum honeycomb panel curtain wall installation process

aluminum honeycomb panel幕墙安装工序为：测量放线—Anchorage of bearing point—Installation of stressed frame—Panel and Component Assembly—Sealant filling—Remove the protective film and clean the surface of the curtain wall. The following issues should be noted during the installation process.

1 The measurement and setting out shall be matched with the measurement and setting out of the main structure, and the horizontal elevation shall be led from the ground layer by layer to avoid error accumulation. When measuring, the wind force shall not be greater than level 4, and the ink line shall be ejected along the outer eaves of the floor slab or the plane reference line of the curtain wall shall be determined with piano line. A certain distance from the reference line is the curtain wall plane, and the front and rear positions of the columns are determined based on this line, so as to determine the position of the whole curtain wall.

2 The column is generally a vertical component, which is one of the keys to the installation and construction of the curtain wall. Its accuracy and quality will affect the installation quality of the entire curtain wall. The allowable deviation between the plane axis of the curtain wall passing through the connecting piece and the outer plane axis of the building shall be controlled2mmWithin, especially the building plane is curved, circular, surrounded by closed curtain wall, the distance between the internal and external axis will affect the perimeter of the curtain wall, should be taken seriously.

3 The column can be one-story high or two-story high.1The whole root, the length can reach7.5m, the joint should have a certain gap, not less10mm, using the sleeve connection method. The connection between the connector and the embedded part is two stories high or1In the whole root, in order to enhance the rigidity of the curtain wall frame, the connection point between the column and the main structure can be appropriately increased. The hinge and rigid joint structure with interval is adopted. The hinge only resists horizontal force. When the joint position is brick masonry, the joint cannot be fixed with expansion bolts, but with through-wall bolts.;In addition to the horizontal force, the rigid connection should also bear the vertical force and transmit it to the main structure.

3 The beam is generally a horizontal member, which is embedded and connected in the column in sections, and the connectors at both ends of the beam are installed at predetermined positions of the column. The beam is sleeved on the connector, do not fix it, and deliberately shorten the blanking length during production to make a certain gap at the joint. Since the columns are connected by a sleeve, there is a gap at the joint, and there is also a gap between the beam and the column, so that the column and the beam can form a frame with a certain deformation capacity after installation to adapt to and eliminate the deformation of the building deflection and temperature The influence of deformation improves its carrying capacity. However, if the beam has an arc, fold line or angle, the beam should be fixed with the connector to prevent the beam from falling off.

4 Aluminum honeycomb panel curtain wall frame should be used by the surface of the anodized aluminum profile, can not use steel. If the frame and the wall plate are2This kind of metal is easy to produce electrode potential difference, which makes the aluminum plate corroded. The thickness of aluminum profile used in aluminum honeycomb panel curtain wall frame of high-rise building shall not be less3mm. Stainless steel screws or galvanized screws should be used when installing wall panels, and ordinary screws should not be used. Each vertical material of the frame system shall be firmly connected with the embedded iron parts of the main structure, and the horizontal material and the vertical material shall be fixed with stainless steel bolts to ensure the installation durability.

5 The joint width of aluminum honeycomb panel should not only consider the decorative effect of the facade, but also consider the amount of thermal expansion after thermal expansion. Joints must be sealed with weather-resistant adhesive caulking to prevent gas penetration and rainwater leakage. Attention shall be paid:

①Fully clean the gap between the aluminum honeycomb panels to ensure that the bonding surface is clean and dry.

②In order to adjust the depth of the seam and avoid dipping glue on three sides, the seam is filled with polyvinyl chloride foaming material.(small round bar)。

③After the glue injection, the surface of the glue seam shall be leveled to remove the excess glue.

④Pay attention to curing after glue injection. Before the glue is not completely hardened, do not be contaminated with dust and scratches.

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