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research
Determination of entrapment victim extrication forces with and without use of a grain rescue tube
Authors
W. E. Field
Dirk E. Maier
M. J. Roberts
R. L. Stroshine
Publication date
1 January 2015
Publisher
'American Society of Agricultural and Biological Engineers (ASABE)'
Doi
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Abstract
Citation: Roberts, M. J., Field, W. E., Maier, D. E., & Stroshine, R. L. (2015). Determination of entrapment victim extrication forces with and without use of a grain rescue tube. Journal of Agricultural Safety and Health, 21(2), 71-83. doi:10.13031/jash.21.10150The forces required to extricate a test mannequin from a grain mass when buried at different depths with and without a grain restraint system were determined. When there was no grain restraint system in place, the vertical force required to pull the mannequin from the grain when it was buried waist deep and to the underarms was 1259 and 1766 N (283 and 397 lbf), respectively. It increased to 1584 N (356 lbf) (+26%) and 2153 N (484 lbf) (+22%), respectively, with the restraint in place due to the changes in grain properties brought about by the insertion of the rescue tube. It was concluded that the use of a grain restraint during extrication of a victim does not reduce the forces required and that forcefully pulling an entrapped victim, especially with mechanical assistance, with or without a grain restraint system could result in severe injuries and possible death due to the forces exerted on the victim. The authors recommend that these findings be incorporated into current grain extrication training for emergency first responders. © 2015 ASABE
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Last time updated on 09/05/2016