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Predicting the performance of cost-effective rollover protective structure designs.

Authors
Harris-JR; Winn-GL; Ayers-PD; McKenzie-EA Jr.
Source
Saf Sci 2011 Oct; 49(8-9):1252-1261
NIOSHTIC No.
20038905
Abstract
Agricultural tractor overturns kill more than 100 workers each year in the United States. Rollover protective structures (ROPS) can prevent most of these deaths but can be expensive in retrofit applications. Cost-effective ROPS (CROPS) have been designed and built at the National Institute for Occupational Safety and Health but performance must be evaluated. This study: (1) evaluated CROPS performance, (2) developed a simulation model for probabilistic CROPS evaluation, and (3) evaluated exemplar prototype CROPS performance via simulation of testing requirements. The CROPS prototype evaluated in this study was a Ford-3000 CROPS prototype design. Simulations based on ROPS performance standard SAE J2194 (Society of Automotive Engineers) identified scenarios where the Ford-3000 CROPS might fail. No failure scenarios were identified during simulation of ROPS performance testing to Occupational Safety and Health Administration (OSHA) test procedures and performance requirements. Despite passing experimental SAE J2194 testing, computer simulations found scenarios where the Ford-3000 CROPS prototype design might fail. Re-design of the Ford-3000 concept is necessary before field implementation.
Keywords
Agriculture; Agricultural-machinery; Farmers; Tractors; Equipment-design; Equipment-reliability; Machine-operation; Injury-prevention; Performance-capability; Simulation-methods; Testing-equipment; Computer-models; Failure-analysis; Author Keywords: Tractor; Tractor overturn; Tractor rollovers; ROPS; Finite element analysis
Contact
J.R. Harris, National Institute for Occupational Safety and Health, 1095 Willowdale Road, MS G800, Morgantown, WV 26505, USA
CODEN
SSCIEO
Publication Date
20111001
Document Type
Journal Article
Email Address
JHarris@cdc.gov
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Issue of Publication
8-9
ISSN
0925-7535
NIOSH Division
DSR
Priority Area
Agriculture, Forestry and Fishing
Source Name
Safety Science
State
WV; TN
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