Evaluation of whole-body vibration in vehicles (in special Issue on the 2nd International Conference on Whole-body Vibration Injuries)
Evaluation of whole-body vibration in vehicles (in special Issue on the 2nd International Conference on Whole-body Vibration Injuries)
The vibration in 100 different vehicles has been measured, evaluated and assessed according to British Standard BS 6841 (1987) and International Standard ISO 2631 (1997). Vibration was measured in 14 categories of vehicle including cars, lift trucks, tractors, lorries, vans and buses. In each vehicle, the vibration was measured in five axes: vertical vibration beneath the seat, fore-and-aft, lateral and vertical vibration on the seat pan and fore-and-aft vibration at the backrest. The alternative methods of evaluating the vibration (use of different frequency weightings, different averaging methods, the inclusion of different axes, vibration dose values and equivalent r.m.s. acceleration) as defined in the standards have been compared. BS 6841 (1987) suggests that an equivalent acceleration magnitude is calculated using vibration measured at four locations around the seat (x -, y -, z -seat and x -backrest); ISO 2631 (1997) suggests that vibration is measured in the three translational axes only on the seat pan but only the axis with the most severe vibration is used to assess vibration severity. Assessments made using the procedure defined in ISO 2631 tend to underestimate any risks from exposure to whole-body vibration compared to an evaluation made using the guidelines specified in BS 6841; the measurements indicated that the 17 m/s1.75 "health guidance caution zone" in ISO 2631 was less likely to be exceeded than the 15 m/s1.75 "action level" in BS 6841. Consequently, ISO 2631 "allows" appreciably longer daily exposures to whole-body vibration than BS 6841.
195-213
Paddan, G.S.
ee5700cc-0497-4273-8b2d-9ae86adf968b
Griffin, M.J.
24112494-9774-40cb-91b7-5b4afe3c41b8
2002
Paddan, G.S.
ee5700cc-0497-4273-8b2d-9ae86adf968b
Griffin, M.J.
24112494-9774-40cb-91b7-5b4afe3c41b8
Paddan, G.S. and Griffin, M.J.
(2002)
Evaluation of whole-body vibration in vehicles (in special Issue on the 2nd International Conference on Whole-body Vibration Injuries).
Journal of Sound and Vibration, 253 (1), .
(doi:10.1006/jsvi.2001.4256).
Abstract
The vibration in 100 different vehicles has been measured, evaluated and assessed according to British Standard BS 6841 (1987) and International Standard ISO 2631 (1997). Vibration was measured in 14 categories of vehicle including cars, lift trucks, tractors, lorries, vans and buses. In each vehicle, the vibration was measured in five axes: vertical vibration beneath the seat, fore-and-aft, lateral and vertical vibration on the seat pan and fore-and-aft vibration at the backrest. The alternative methods of evaluating the vibration (use of different frequency weightings, different averaging methods, the inclusion of different axes, vibration dose values and equivalent r.m.s. acceleration) as defined in the standards have been compared. BS 6841 (1987) suggests that an equivalent acceleration magnitude is calculated using vibration measured at four locations around the seat (x -, y -, z -seat and x -backrest); ISO 2631 (1997) suggests that vibration is measured in the three translational axes only on the seat pan but only the axis with the most severe vibration is used to assess vibration severity. Assessments made using the procedure defined in ISO 2631 tend to underestimate any risks from exposure to whole-body vibration compared to an evaluation made using the guidelines specified in BS 6841; the measurements indicated that the 17 m/s1.75 "health guidance caution zone" in ISO 2631 was less likely to be exceeded than the 15 m/s1.75 "action level" in BS 6841. Consequently, ISO 2631 "allows" appreciably longer daily exposures to whole-body vibration than BS 6841.
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Published date: 2002
Additional Information:
Special issue edited by Iole Pinto, Massimo Bovenzi, (guest editor) and Michael J. Griffin (assistant guest editor)
Organisations:
Human Sciences Group
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Local EPrints ID: 10616
URI: http://eprints.soton.ac.uk/id/eprint/10616
PURE UUID: 335658f2-cd26-4e96-bc80-ce1e0c251906
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Date deposited: 07 Oct 2005
Last modified: 15 Mar 2024 05:00
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Author:
G.S. Paddan
Author:
M.J. Griffin
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