Year1
- 规格：
- 75*50
- 材质：
- 轻钢
- 长度：
- 3000~5000
Light steel keels include ceiling keels and partition keels according to their uses, and type, type, type, and type keels according to their cross-sectional forms. Product specification series The main specifications of partition keels are divided into, and. The main specifications of suspended ceiling keels are divided into,,, and. Product marking method: The marking sequence of light steel keels is product name, code number, width, height of cross-section shape, steel plate thickness and standard number. For example, if the cross-sectional shape is , the width is , the height is , and the steel plate thickness is , the ceiling keel is marked as a light steel keel for construction. The appearance quality of the light steel keel should be smooth, with clear edges and corners, and the cuts are not allowed to have burrs and deformations that affect use. The galvanized layer must not have defects such as peeling, lumping, or falling off. Defects such as corrosion, damage, black spots, pitting, etc. shall comply with the requirements in the table when tested according to prescribed methods. When inspecting appearance quality, visual inspection should be carried out under bright light conditions from the product. The surface of the light steel keel should be galvanized to prevent rust. The galvanizing amount on both sides should not be less than /* for high-quality products, not less than /* for first-class products, and not less than /* for qualified products. 2. General structure of light steel keel) Light steel keel is generally used for ready-made gypsum board partition walls, and can also be used for cement particle board partition walls, straw board partition walls, fiber board partition walls, etc. Different types and specifications of light steel keels can form different partition wall frame structures. Generally, the partition frame is composed of keels along the ground, along the roof, keels along the wall, and along the columns (with vertical keels), and a number of vertical keels are erected in the middle, which are the main load-bearing keels. Some types of light steel keels also need to add through-beam keels and reinforcing keels. The vertical keel spacing depends on the width of the gypsum board. Generally, one is placed on the edge of the gypsum board and one in the middle. The spacing is no larger than that of the wall. If the quality of the decoration layer is large, such as ceramic tiles, it is advisable that the keel spacing is no larger than that of the keel. When the height of the partition wall is to be increased, the keel spacing should also be appropriately reduced. Light partition walls have a height limit. It is determined based on the section, stiffness and keel spacing of light steel keels, wall thickness, and number of gypsum board layers. ) The partition wall skeleton structure is determined by different keel types or systems according to the partition wall requirements. ) Consolidation methods and methods of different parts and different keels ① Fix the frame keels (including ground keels, top keels, wall and column keels) and the main structure. Generally, nailing technology is used, that is, driving nails at a medium distance to fix the main structure. You can also use an electric drill to drill holes and drive expansion bolts or leave embedded parts on the main structure. ② The vertical keel and rivets are connected with the top and edge. Ground keel fixed. ③The connection between door frame and vertical keel. Depending on the type of keel, there are many ways to do it. Some methods include strengthening the connection between the keel and the wooden door frame. You can also use the two sides of the wooden door frame to extend upward and insert them into the top keel and vertical keel. You can also use other fixing methods.) Circular surface partition wall For the body structure, the keels along the ground and along the top should be cut into zigzag shapes according to the requirements of the curved surface, fixed on the top surface and the ground, and then the vertical keels should be arranged at a smaller spacing (usually 100 to 100 angstroms).
3. Construction technology of light steel keel) Construction sequence of light steel keel installation, wall position, wall base construction and installation along the ground, along the top keel, installation of vertical keel (including door reinforced keel), horizontal braces Keels, through keels, and various hole keel reinforcements. )Construction points ① Rubber strips or asphalt foam plastic strips should be laid at the contact points between the ground and roof keels and the ground and top surfaces, and then use nails (or use electric drills to drill holes and plug expansion bolts) at specified intervals to seal the ground and The top keel is fixed to the ground and top surface. ② The nails should be arranged at mid-range intervals. The horizontal direction should not be greater than the vertical direction and should not be greater than the vertical direction. The optimum depth for nailing into the base of the concrete is ~ ~ for the brick wall. ③ Push the pre-cut vertical keel into the horizontal top and floor keels, with the flange facing the direction of the gypsum board. The vertical keel cannot be turned upside down. When cutting on site, it can only be cut from the upper end. To extend the keel, the molded keel can be placed at the joints of the molded keel and fixed with rivets or self-tapping screws.
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