Evaluation of ecological compatibility of wheeled skidders with forest soil
https://doi.org/10.21266/2079-4304.2022.238.124-136
Abstract
Heavy forest machines disrupt the forest soil structure, for this reason, researchers pay considerable attention to the impact of forest machines on the movement surface. The rut depth after the first pass of the machine is one of the most informative indicators of the ecological impact. At the same time, relatively few studies are known, the results of which reveal the impact of wheeled skidders on the soil. To improve the process of skidding, further developments are needed to assess skidders environmental compatibility with forest soil conditions, which is the subject of our work. When performing the work, information about performance characteristics of skidders Tigercat, John Deere, Weiler, obtained from the official websites of manufacturers, was used. The rut depth was estimated using the principles of soil mechanics and the theory of off-the-road locomotion. The mathematical model of rut formation is implemented numerically. When processing the simulation results, data approximation methods were used. As a result of the study, models were obtained that allow in practice to assess the ecological compatibility of the skidder with forest soil conditions. The models use following characteristics of the machine: weight, number of wheels, width and diameter of the wheel, tire pressure, grapple opening area. The soil is characterized by its’ bearing capacity or cone index. The models take into account the average volume of a tree skidded in the bundle. According to the obtained models, it is possible to solve an inverse problem: justification of the permissible mass of the machine and the grapple opening area, taking into account the characteristics of the mover and the soil conditions.
About the Authors
S. S. Petrosian
St.Petersburg State Forest Technical University
Russian Federation
Russian Federation
PETROSYAN Sergei S. – applicant of the Department of Logging Technology
194021. Institutskii per. 5. St. Petersburg
D. A. Iliushenko
St.Petersburg State Forest Technical University
Russian Federation
Russian Federation
ILIUSHENKO Dmitrii A. – PhD (Technical), associate professor of the Department of Logging Technology
194021. Institutskii per. 5. St. Petersburg
E. V. Baryshnikova
Novocherkassk Engineering and Reclamation Institute of the Don State Agrarian University
Russian Federation
Russian Federation
BARYSHNIKOVA Elena V. – PhD (Technical), associate professor of the Department of Water Supply and Use of Water Resources
346428. Pushkinskaya str. 111. Novocherkassk. Rostov region
E. G. Khitrov
St.Petersburg State Forest Technical University
Russian Federation
Russian Federation
KHITROV Egor G. – DSc (Technical), professor of the Department of Logging Technology
194021. Institutskii per. 5. St. Petersburg
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Review
For citations:
Petrosian S.S., Iliushenko D.A., Baryshnikova E.V., Khitrov E.G. Evaluation of ecological compatibility of wheeled skidders with forest soil. Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii. 2022;(238):124-136. (In Russ.) https://doi.org/10.21266/2079-4304.2022.238.124-136
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