Construction of a calculation scheme for analyzing the stability of collapsible pallet racks

Abstract

This article is devoted to the development of methods for analyzing the stability of
collapsible pallet racks. These structures are optimally adapted to the minimum possible size of the
useful area of the room occupied by them, as well as providing convenient access to stored goods.
The need to place the maximum number of goods in the minimum warehouse area increases the
demand for the methods of design and calculation of shelving systems.
As a research method, a finite element approach is proposed, which allows taking into
account all the design features of the constituent elements and the nature of their connections in a
collapsible structure.

The purpose of the work is to develop a design scheme of a pallet collapsible rack section
for stability analysis, taking into account the design features of the components of the rack and the
features of the detachable joints of the components of the elastic elements. In addition, the finite
element model of the rack must have such a dimension that, on the one hand, will ensure acceptable
accuracy of calculations, and, on the other hand, will allow it to be used as a starting point for
building models of multi-section racks and will not require significant computer resources of the
computing system during calculations.
Based on a comparison of the stability of the constructed exact shell model of the pallet rack
section and the simplified combined model, the effectiveness of using the proposed system of
simplifications is proved. As a result, a simplified design scheme of the rack section has been
constructed, which can be used for building design schemes of multi-section structures.