Methods to avoid the problem of oversized steel structure installation dimensions
During the installation of steel structures, dimensional deviations will occur due to issues such as unstable assembled platforms, forced seating of rods, improper bolt tightening methods, improper welding processes, etc. Therefore, how to prevent and control them is particularly important. Next, I will share with you how to prevent and cure the problem of excessive installation dimensions.
Before assembly, the assembly platform should be set up on a solid foundation to prevent possible settlement that would affect the assembly accuracy. During the assembly process, the rods should always be in a non-stressed state, and it is strictly forbidden to load or force them into place not according to the stress state specified in the design.
It is not advisable to tighten the bolts directly at one time during the assembly process of the rods. Instead, all the bolt ball joints can be tightened in place after one or two rows of structural units are installed longitudinally and transversely along the building structure and the measurements are correct. When welding, it should be carried out according to the appropriate welding process. The welding should extend symmetrically from the center center outward. It is strictly forbidden to weld both ends of the same rod at the same time. It is better to weld the lower chord node first and then the upper chord node.
Rods found to be too long, too short, or bent during the assembly process should be replaced in time. Structural nodes with a large amount of welding work can be assembled and welded separately first, and the inspected plane sections can be assembled and closed on the assembly rack.
The installation dimensions of the steel structure need to be carried out in strict accordance with the standards, so there can be no errors in the installation dimensions. How to avoid this situation from happening, the article has given detailed solutions. I hope the content of the article will be useful to everyone in the use of welding. help.
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