Incidence of Trailer Frame Structure on Driver’s Safety during Log Transportation
AbstractThe frame structure of the trailer may influence both the traction and the tractor-trailer stability, especially along sloped paths. The aim of this research was to analyze a trailer overturning and the strains on the connected tractors (wheeled, or crawled) during log transportation (loose or tied) along a hillside. Two two-axle trailers were used: tandem and turntable steering. Three types of measurements were carried out during the field tests: (i) the detachment from the ground of the rear upstream wheels (or crawler); (ii) the transversal and longitudinal strains occurring when the trailer overturned (and released the hooking system of the tractor); (iii) the lateral deviation of the rear wheels (or crawler) of the tractor. The study highlighted that the two-axle trailer with turntable steering combined with the crawl tractor gave better results in terms of safety during trailer overturning. In addition, independent of the type of trailer, a tied load was found to be more dangerous than a load restrained only by steel struts, because when overturning, the load forms a single unit with the trailer mass which increases the strains. View Full-Text
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Manzone, M.; Calvo, A. Incidence of Trailer Frame Structure on Driver’s Safety during Log Transportation. Forests 2017, 8, 456.
Manzone M, Calvo A. Incidence of Trailer Frame Structure on Driver’s Safety during Log Transportation. Forests. 2017; 8(11):456.Chicago/Turabian Style
Manzone, Marco; Calvo, Angela. 2017. "Incidence of Trailer Frame Structure on Driver’s Safety during Log Transportation." Forests 8, no. 11: 456.
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