The Mathematical Model of Forestry Machines Impact on Cryolitozone Forest Soils
In the Russian Federation, the permafrost zone are gaining increasing importance due to wood procurement operations. Active timber harvesting, accompanied by the simultaneous development of wood processing enterprises in the Far Eastern Federal District, leads to the depletion of available and exploitable forests in southern and central Siberia, Buryatia, and Khabarovsk territory. The exploitation of modern forestry machines, wheeled forwarders, in particular, broadens the question of their effectiveness. In specific production and geotechnical conditions, the cross-country ability and technological productivity of wheeled forwarders are of particular relevance. These circumstances, combined with the need to minimise technological pressure on the ecological environment raise the problem of optimisation of the forest machines. We developed a mathematical model for calculating parameters of the defrosting soil destruction process occurring at the border with the permafrost zone. The mathematical model allows assessment of the possible value depth of the induced track at the stage of the project design. The assessment is conducted with the account of the forest machine’s technical and maneuvering capabilities in specific natural and industrial conditions.
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