This study concludes that, from the soil compaction point of view, using tracks does not confer an advantage, because of irregular contact pressure induced by the roller presence and the overall higher load of the track system. Conversely, tyres distribute uniformly the load on all the contact area and induce overall less stress on the soil. As agricultural machines sizes and weights are always greater, rubber tracks are often presented as an alternative equipment to maximise the power transmission to the soil, but also to reduce the stress applied on soils. Considering the easy to obtain contact area surface of the track - or tyre - with the soil, the interface pressure is supposed to be less important for tracks than for tyres. However, this study shows that the reality is different, as true as there aren't a lot of studies in the literature. The objective of this study was to measure the stress induced by tracks and tyres on the soil, when a combine harvester is used. The contact pressure with a hard soil is investigated, as well as the increased hardness of an agricultural soil. Protocol used is first explained, before giving major results of the study.


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    Title :

    Soil compaction: track induced soil stress isn't so positive in comparison with tyre


    Contributors:


    Publication date :

    2013


    Size :

    6 Seiten, 6 Bilder




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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