Consider the uneven distribution of cargo weight, lateral impact, seismic fortification and other deformation caused by the action of stacker or forklift;

There should be a safe distance between goods, goods and shelves, goods and fire pipes, and a space for fire sprinkler;

Steel shall be selected, and the surface shall be treated with rust prevention and decoration, so as to reduce the project cost as far as possible on the premise of ensuring the service performance of storage shelves;

In structural design, factors such as use requirements, equipment conditions, load characteristics, material supply, installation conditions, etc. shall be comprehensively considered, and the structural form, structural measures and manufacturing materials shall be reasonably selected to achieve advanced technology, reasonable economy, safe application and quality assurance;

The dimensional tolerance, deformation and clearance of storage shelves shall comply with relevant standards;

There are strict design procedures. When the rack structure is designed under the endurance limit state or the large load limit state, it must comply with the relevant standards and have a calculation sheet. For major projects, the strength, stiffness and stability of the shelf must be combined through finite element calculation, and its safety under earthquake action must be comprehensively evaluated. General calculation sheet shall be provided for standard reusable storage shelves.

The data used for calculation must be based on or obtained by test. Shelf structure is often difficult to analyze accurately in theory. The parameters required for design must be determined through corresponding tests, or the bearing capacity of the shelf structure or components can be directly determined through tests. The test shall be reported, and the test equipment shall be calibrated and inspected by the qualified metrological department recognized by the state.

For cross beam storage racks, both ends of each cross beam must be equipped with locking devices, or fastened with screws and nuts, so that the cross beam can be stably fixed on the column to prevent separation of upward and external forces. To ensure the connection between the beam and its locking device (or screw and nut), regularly check the normal operation of the beam lock or the fastening of the screw and nut, and replace the damaged device in time.

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