GB/T 13441.5-2015 Mechanical vibration and shock—Evaluation of human exposure to whole-body vibration—Part 5:Method for evaluation of vibration containing multiple shocks

Scope

This part of GB/T 13441 introduces an evaluation method for measuring the human body's ability to withstand multiple mechanical impact vibrations on the floor when sitting in a chair. The adverse health effects of continuous exposure to vibration environments containing multiple impacts are related to dose measurement. The methods specified in this part are typically applied in situations where adverse health effects on the lumbar spine are considered. The response calculation of the lumbar spine mentioned in this part assumes that the person subjected to vibration is in a vertical sitting position and cannot get up from the seat during the process of enduring vibration. Different postures will lead to different responses of the spine. The limitations of the lumbar spine response model used in this part are given in 5.2. Care should be taken when applying it to extreme impact conditions.

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