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Theoretical background for increasing grip properties of wheeled tractors based on their rational ballasting

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dc.contributor.authorBulgakov, Volodymyr
dc.contributor.authorNadykto, Volodymyr
dc.contributor.authorKyurchev, Serhiy
dc.contributor.authorNesvidomin, Viktor
dc.contributor.authorIvanovs, Semjons
dc.contributor.authorOlt, Jüri
dc.contributor.departmentEstonian University of Life Sciences. Institute of Technologyeng
dc.date.accessioned2019-10-15T09:36:02Z
dc.date.available2019-10-15T09:36:02Z
dc.date.issued2019
dc.descriptionArticleeng
dc.descriptionSaabunud / Received 30.07.2019 ; Aktsepteeritud / Accepted 07.10.2019 ; Avaldatud veebis / Published online 15.10.2019 ; Vastutav autor / Corresponding author: Jüri Olt e-mail: jyri.olt@emu.eeest
dc.description.abstractThe correct selection of the level of mechanical ballasting for wheeled tractors is among the most important issues for increasing their utilisation efficiency, in particular, increasing their grip properties. The shortcoming of the earlier undertaken investigations was that they virtually did not take into account the allowed maximum pressure of the tractor’s wheels on the soil. At the same time, little attention was paid to the impact of the maximum load-carrying capacity of the wheel tyres. The aim of the paper is to eliminate these deficiencies. Because of the authors’ efforts, the new technique has been developed, which differs in that it employs the requirement of the tyre’s ecofilic properties. The implementation of this requirement implies setting the maximum allowed level of the tractor wheels’ pressure on the soil and taking into account the maximum load-carrying capacity of the wheel tyres as well as the vertically applied load on each of the tractor’s axes under the simultaneous action of both the horizontal and vertical components of the tractive resistance of the employed agricultural implement. The practical effectiveness of the new approach is shown by the example of determining the possibility and level of ballasting the specific wheeled tractor operating as part of a ploughing unit.eng
dc.identifier.issn2228-4893
dc.identifier.publicationAgraarteadus : Journal of Agricultural Science, 2019, vol. 30, no. 2, pp. 78–84est
dc.identifier.urihttp://hdl.handle.net/10492/5456
dc.identifier.urihttps://doi.org/10.15159/jas.19.07
dc.publisherEstonian Academic Agricultural Societyeng
dc.rightsCreative Commons Attribution 4.0 International (CC BY 4.0) ; openAccesseng
dc.rights.holderAuthors of accepted articles retain all rights to use, reuse, and distribute the published research as long as the author credits the original publication in this journal. The authors submitting to the journal are expected to follow the general ethical guidelines regarding plagiarism. If in doubt consult the ICMJ guidelines on overlapping publications. Once accepted the journal retain the right to print and distribute the manuscript submitted by the author.eng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjecttractoreng
dc.subjectballasteng
dc.subjectwheel loadeng
dc.subjecttireeng
dc.subjectarticleseng
dc.titleTheoretical background for increasing grip properties of wheeled tractors based on their rational ballastingeng
dc.typeArticleeng

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2019, Vol. 30, No. 2