An Analysis of the Operation Cost in the Whole-tree and Cut-to-Length Logging Operation System
2013
Kim, M.K., The University of Tokyo, Tokyo, Japan | Park, S.J., Kyungpook National University, Daegue, Republic of Korea
This study was conducted to analyze on the operational cost of logging operations in the whole-tree logging operation system by tower-yarder and swing-yarder, and in the cut-to-length logging operation system by excavator with grapple in order to spread efficient logging operation technique and to establish the logging operation system. In the results of the analysis of operation cost, in case of the whole-tree logging operation system, the operation cost was 2,099 won/m3 in felling by chain saw, 28,286 won/m3 in yarding by tower-yarder, 18,265 won/m3 in yarding by swing-yarder, 18,939 won/m3 in bucking by excavator with grapple and chain saw, 20,484 won/m3 in forwarding and accumulation by wheel type mini-forwarder, 12,701 won/m3 in forwarding and accumulation by excavator with grapple and small forwarding vehicle. In case of the cut-to-length logging operation system, the operation cost was 10,160 won/m3 in felling and bucking by chain saw, 7,567 won/m3 in cut-to-length extraction by excavator with grapple, 6,982 won/m3 in branches and leaves extraction by excavator with grapple, 3,040 won/m3 in the operation road construction by excavator with grapple, 20,484 won/m3 in forwarding and accumulation by wheel type mini-forwarder, 12,701 won/m3 in forwarding and accumulation by excavator with grapple and small forwarding vehicle.
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