Modern general storage shelves are combined structures, which are basically composed of columns, beams, shelf accessories, etc. as required. The column of the shelf is one of the main components of the shelf force, and in actual use. It has other key functions on the overall shelf. The maximum gravity can reach tens of tons. With the increase of height and the number of shelves, the stress level of the column is also increasing. The performance is particularly obvious on storage shelves such as heavy shelves. Therefore, the design and selection of the column has become the key to the entire shelf system, which is directly related to the safety of the structure and the economy of use.

Although the column of the shelf is basically made of cold-rolled thin steel plate, and the cross-section of the column is bent multiple times without local instability, but with the continuous enrichment of the cross-sectional form of the shelf pillar and the application of strong steel, the compression The development of the column toward light and thin walls is easy to cause the overall instability of the column. Therefore, the stability of the shelf column under stress is more important.