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1 The measured value should match the measured value of the main structure, and the horizontal elevation should be drawn from the ground layer by layer to avoid accumulation of errors. When measuring, the wind should not exceed four levels. The ink line should pop out along the outside of the floor, or the piano line should be used to determine the plane datum line of the curtain wall. Starting from the reference line, the relative distance is the plane of the curtain wall, and the front and back positions of the columns are determined based on this line, thereby determining the position of the entire curtain wall.
2 Columns are usually vertical members and are one of the keys to installing curtain walls. Its accuracy and quality will affect the installation quality of the entire curtain wall. The allowable deviation between the plane axis of the combined curtain wall and the outer plane axis of the building should be controlled within 2mm, especially for curved, flat, round, and enclosed curtain walls. The distance between the inner axis and the outer axis will affect the perimeter of the curtain wall. It should be taken seriously.
3 The column can be one-storey high or two-storey high. The whole is one, and the length can reach 7.5m. There should be a certain gap at the joint, not less than 10mm, using the sleeve connection method. If the connection between the connecting piece and the embedded part is two layers or a whole, in order to improve the rigidity of the curtain wall frame, the connection point between the column and the main structure can be appropriately increased. With hinge and rigid joint structure, the hinge can only resist horizontal force. When the joint position is a brick structure, the joint cannot be used with expansion bolts, but should be fixed by wall bolts. The vertical force is transmitted to the main structure.
4 The beam is usually a horizontal member, which is a section embedded in the column, and the connecting members at both ends of the beam are installed at the predetermined position of the column. The beam is placed on the connecting piece, not fixed, and the length of the blanking is intentionally shortened during the production process, so that there is a certain gap at the joint. Because the columns are connected by sleeves, there are gaps at the joints, and there are also gaps between the beams and the columns. Therefore, the columns and beams can be installed to form a frame with a certain deformability to adapt and deform. Eliminate building deformation and temperature deformation. Improving the impact of its carrying capacity. However, if the curved shape of the beam is a broken line or a chamfer, the beam and connectors should be fixed to prevent the beam from falling. The frame of aluminum honeycomb curtain wall aluminum veneer should use aluminum profile with anodized surface, and steel cannot be used. If the frame and the wall plate are two kinds of metals, the electrode potential difference is likely to occur, and the aluminum plate is corroded. Do not use ordinary screws. Each vertical material of the frame system should be firmly connected with the embedded iron parts of the main structure, and the horizontal and vertical materials should be fixed with stainless steel bolts to ensure the durability of the installation.
5 In addition to the decorative effect of the facade, the joint width of the aluminum honeycomb curtain wall and aluminum veneer should also be considered, and the thermal expansion after thermal expansion should be considered. The joints must be sealed with weather-resistant rubber caulking materials to prevent gas penetration and rainwater leakage. Please note that when caulking and weathering glue:
1 Fully clean the gap between the aluminum veneers of the aluminum honeycomb curtain wall to ensure that the bonding surface is clean and dry.
2 To adjust the depth of the seam, avoid the three sides of the glue, and then fill the seam with PVC foam material (small round rod).
3 After applying the glue, the surface of the glue should be smoothed to remove the excess glue.
4 Pay attention to maintenance after injection, and do not get dust and scratches before the glue is completely cured.
