Abstract
The article presents a study on the determination of working resistance force of a tool that reclaims the topsoil based on GPR research. The experiment used a strain gauge force measurement system in a three-point linkage suspension system of the tool on a tractor with automatic registration of other operating parameters of the unit at a frequency of 10H. For the research with the use of GPR, a shielded antenna with a frequency of 800 MHz was used, allowing to obtain a wavelength of 0.12 m and a resolution of 0.03 m. The tests were carried out for several combinations of soil compaction, which was initially measured with the Eijkelkamp cone penetrometer. A large convergence of the results of the working resistance forces was found with the indications of the states of excessive compaction identified in the space of the echogram. It should be noted that the convergence of the measurement results increases with the degree of soil compaction. Therefore, it is possible to estimate the energy consumption of cultivation treatments on the basis of non-invasive GPR surveys and selective soil reclamation treatment with degraded subsoil.
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