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Stability Analysis of Cable Yarding with Self-Propelled Carriage  

Oh, Jae-Heun (Department of Environmental Policy, Gangwon Province)
Park, Mun Seub (Forest Research Institute)
Kim, Jae Won (Forest Research Institute)
Cha, Du Song (College of Forest Sciences, Kangwon National University)
Publication Information
Journal of Korean Society of Forest Science / v.95, no.4, 2006 , pp. 495-500 More about this Journal
Abstract
Stability of cable yarding with self-propelled carriage was discussed by theoretical tension calculation and field test. To verify usefulness of theoretical stability evaluation of cable yarding operation, skyline tension and stump anchoring force were measured and compared with theoretical calculation. As results, we know that measured skyline tension was similar to theoretical calculated tension. From these results, overall stability of cable logging operation could be evaluate. The stump anchoring force correlated closely with the stump diameters. The inclination angles that the stumps show the maximum anchoring force were ranged 5-10 degrees. It was conclude that the stumps have lost the function as an anchor when the inclinations was so large that they could be observed.
Keywords
cable yarding; forestry machine; forest operation; self-propelled carriage;
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