ASTM D4728-17 (2022) is a standard test method on random vibration testing of shipping containers. This standard aims to evaluate the performance of shipping containers under complex dynamic stresses, simulating the vibration effects that may be suffered in actual transportation. Through this test method, the resonance of products and containers can be effectively stimulated, and the fatigue damage caused by resonance accumulation can be minimized. The test should be based on field data, and it is recommended to compare with the actual transportation effect to improve confidence level. This standard is suitable for evaluating shipping containers with internal Encasement and airtight mode. It can provide a basis for design modification to ensure its performance and safety during transportation. ASTM D4728-17 (2022) also states that there is no direct equivalence between random vibration testing and sinusoidal vibration testing, so it must be selected and implemented according to the actual situation and test requirements.
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