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Evaluating the protective capacity of two-post ROPS for a seat-belted occupant during a farm tractor overturn.

Authors
Guan-J; Hsiao-H; Zwiener-JV; Current-RS; Lutz-TJ; Cantis-DM; Powers-JR Jr.; Newbraugh-BH; Spahr-JS
Source
J Agric Saf Health 2011 Jan; 17(1):15-32
NIOSHTIC No.
20038623
Abstract
This study evaluated the effectiveness of a commercial rollover protective structure (ROPS) and size-extended ROPS in protecting a 95th percentile male operator during tractor overturns. Six rear upset tests (commercial ROPS) and ten side upset tests (commercial and size-extended ROPS) were conducted. A 95th percentile instrumented male manikin was used in all tests. Head injury criterion (HIC 15 ), 80 g limit on resultant head acceleration, neck injury criterion (N ij ), and peak axial force (extension-compression) were employed to evaluate injury potential. In all rear tests, the manikin's head impact with the ground was within the tolerance limits for head/neck injuries. Based on limited trials in the side tests, the study observed a small to moderate chance of neck injuries under the commercial and size-extended ROPS conditions; the injury risk was not statistically significant between these two test conditions. This study identified a risk of non-fatal injuries for large-size operators in side overturns, although the prevention effectiveness of commercial versus size-extended ROPS cannot be determined without further testing. These findings may have implications for future ROPS designs.
Keywords
Agricultural-industry; Agricultural-machinery; Agricultural-processes; Agricultural-workers; Agriculture; Engineering-controls; Equipment-design; Farmers; Injuries; Injury-prevention; Machine-guarding; Risk-analysis; Safety-equipment; Safety-measures; Tractors; Author Keywords: Agricultural safety; Clearance zone; Injuries; Rollover protective structures; Tractor overturn
Contact
Jinhua Guan, NIOSH Division of Safety Research, 1095 Willowdale Road, MS G800, Morgantown, WV 26505
CODEN
JASHFD
Publication Date
20110101
Document Type
Journal Article
Email Address
ezg6@cdc.gov
Fiscal Year
2011
NTIS Accession No.
NTIS Price
Issue of Publication
1
ISSN
1074-7583
NIOSH Division
DSR; OMSHR; EPRO
Priority Area
Construction; Services: Public Safety
Source Name
Journal of Agricultural Safety and Health
State
WV; PA; GA
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