One of the major problems facing current agriculture is excessive soil compaction. The solution involves the rational selection of agricultural technology for a particular type of soil. The soil is in a complex stressed condition under the influence of pressure distributed in a certain contact area. The reason for excessive soil compaction is an increase in the mass of machines and the use of ballasts. Therefore, the research described in this article aims to determine the tensions that arise under the wheels of machines and how they influence soil compaction. A calculation scheme has been developed for the study of the stress-strain state of the soil under tractor drive. The equations obtained for the component of the stress state of the soil under the trail of the tractor wheel allow to determine the change in soil density at any point along the verticals and horizontals of the array. Furthermore, it describes the measurement of tractor wheels compacting the soil. Two devices were developed for field tests, which confirmed the correctness of theoretical calculations. Furthermore, the work considers the influence of two different types of tractor wheels and the change in soil compaction under twin tyre wheels in Ukrainian conditions.
Solarov et al. (Sun,) studied this question.