Shelf strength verification calculation.wire closet shelf hardware

　　(1) Strength verification calculation

　　When checking the strength of columns on shelves, according to their different loading conditions, they need to be checked according to axial compression components and bending components, using the relevant formulas in the "Technical Specification for Cold Formed Thin walled Steel Structures" (GB50018-2002).

　　(2) Stability check calculation

　　Although the columns of the shelves are basically made of thin steel plates through cold rolling, and the section of the columns is bent multiple times without local instability, with the continuous enrichment of the section forms of the shelves and the application of high-strength steel, the compression columns develop towards lightweight and thin-walled directions, which is easy to cause overall instability of the columns. Therefore, the stability of the compression column components becomes more important.

　　Corresponding to the axial compression and bending stress states of the column, the stability check calculation should also be carried out based on the axial compression component and the bending component, respectively. In addition, the stability inside and outside the plane of the column should be checked, and the stability inside and outside the plane of the column legs should also be checked. The stability check calculation should use the relevant formulas in the "Technical Specification for Cold Formed Thin Wall Steel Structures"

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