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Dynamical response of pallets subjected to horizontal stresses during transportation

Introduction and context

Freight transportation is an essential component of the global supply chain, where the safety and integrity of products are paramount. This document, presented by Jean Baptiste Nolot, an engineer at the University of Reims Champagne-Ardenne in Reims, France, focuses on an often underestimated aspect of transportation: the dynamic response of pallets subjected to horizontal constraints. The research work centers on analyzing the effects of vibrations, shocks, and quasi-static horizontal oscillations, key elements in ensuring the safety of goods during transport.

Description of horizontal constraints in transportation

Horizontal constraints, including vibrations, shocks, and quasi-static oscillations, play a crucial role in the integrity of pallets during transport. These constraints can vary significantly depending on the nature of the route and the mode of transportation, directly impacting the stability and safety of transported products. The study acknowledges the importance of these factors and aims to deepen the understanding of their impact on different types of pallets.

Horizontal testing protocol for packaging

The methodology adopted to test the response of pallets to horizontal constraints involves the use of various specimens, such as milk and glass pallets, with different weights and materials. The tests were designed to measure the response of each type of pallet through horizontal transfer functions, identifying natural frequencies and dynamic amplifications. This systematic approach allows for a precise and detailed assessment of pallet performance under realistic transport conditions.

Horizontal dynamic behavior of pallets

The analysis of the dynamic behavior of pallets reveals significant differences in their response to horizontal constraints. The results show notable variability in vibration transmission, amplification, and resonance frequencies among different types of pallets. These observations are crucial for understanding how different pallet designs can affect their stability and integrity during transport.

Results and observations

The results obtained provide valuable insights into pallet performance under horizontal constraints. Vibration transmission, amplification, and resonance vary considerably, highlighting the importance of choosing the appropriate type of pallet based on content and mode of transport. This data is essential for logistics professionals who can rely on this information to optimize the safety and efficiency of freight transport.

Comparison with existing testing protocols

Comparing the study results with existing standards and protocols, including EUMOS, highlights certain limitations of current testing methods. This critical analysis suggests the need to revise and adapt existing protocols to better reflect real transport conditions and ensure a more accurate assessment of pallet performance.


The study provides an in-depth understanding of the dynamic response of pallets to horizontal constraints, a fundamental aspect for safety in freight transportation. The results underscore the importance of selecting the right type of pallet and suggest avenues for improving existing testing protocols. This research constitutes a significant contribution to the field of logistics and paves the way for future studies to further optimize the safety and efficiency of freight transportation.

IAPRI 2018 : 29th IAPRI Member Symposium, (Zhuhai, Chine)

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Full paper : Dynamical response of pallets subjected to horizontal stresses during transportation.


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