Steel structure assembly method is skillful

Core Tip: Steel structure is part of the steel structure engineering in the modern construction industry, and it is also a fairly extensive construction technology used in modern buildings. However, the Chengdu steel structure reminds us that there are many ways to assemble steel structures. The construction process should be carried out according to the actual situation.

Steel structure is part of the steel structure engineering in the modern construction industry, and it is also a fairly extensive construction technology used in modern buildings. However, the Chengdu steel structure reminds us that there are many ways to assemble steel structures during the construction process. It should be carried out according to the actual situation; the assembly of the steel structure mainly includes the ground sample method, the copy-copy assembly method, the vertical assembly method, the horizontal installation method, and the tire mold assembly method.

Ground method: The component is released on the assembly platform in a ratio of 1:1, and then assembled into components according to the position of the parts on the actual sample. This assembly method is suitable for assembly of small batch structures such as trusses and frames.

Copy-copy assembly method: firstly assemble a single-sided (single-piece) structure by the ground method, then position the spot weld firmly, turn it over, copy the tire mold, assemble another single-sided structure on it, and assemble it twice. . This assembly method is suitable for truss structures with mutually symmetrical cross sections.

Vertical method: Select top-down or bottom-up order assembly according to the characteristics of the components and the stable position of the parts. This assembly method is suitable for placing a stable, low-profile structure or a large-diameter cylinder.

Horizontal dressing method: assembly where the components are placed in a lying position. This assembly method requires a size of the member in the steel structure, and is suitable for an elongated member having a small cross section but a large length.

Tire mold assembly method: an assembly method in which a part of a member is positioned at a mounting position thereof. This assembly method has certain requirements on the national education and precision of the components in the steel structure, and is suitable for manufacturing products with large batch sizes and high precision.

In the assembly process of the steel structure, the assembly must be carried out in the order required by the process. When there is a concealed weld, it must be welded first, and it can be covered after passing the inspection. In order to reduce the deformation, try to use small pieces of welding, and then repair the large parts.

The parts and components assembled by the steel structure must be qualified products. The parts, parts connected to the contact surface and rust, burrs, dirt, ice and snow, oil traces, etc. within a range of 30 to 50 mm along the edge of the weld should be removed. The splicing of plates and profiles should be carried out before assembly; the assembly of components should be carried out after component assembly, welding and correction, in order to reduce the residual stress of the components and ensure the quality of the products. The concealed parts of the components should be painted in advance.

In short, the Chengdu steel structure reminds us that the construction process of the steel structure must be carried out according to the selected assembly method and then according to the quality standards set by the state, so as to ensure the quality of the building.

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