Comparison of soil density under tractor tire by finite element method and displacement sensors

سرداری قوجه بیگلو, فرشید and شاهقلی, غلامحسین and عباسپور گیلانده, یوسف and لطافتی, فردین Comparison of soil density under tractor tire by finite element method and displacement sensors. In: 2nd International and 6th National Iranian Congress on Organic vs. Conventional Agriculture, August 2019, Ardabil, Iran.

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Abstract

In the present study, in order to measure soil density, the effects of traffic at speeds of 1, 3, and 5 km / h on soil density in 10%, 15% and 20% moisture and four levels of depth of 10, 20, 30 and 40 cm were carried out. Abacus software was used to simulate this process and was compared with the results of field experiment. Experiments were carried out on an MF285 tractor equipped with a moldboard plow of three miners. Three sensor displacement gauges were placed in the drilled soil profile. And the tractor crossed them, the results of the data of both methods showed that the interaction of moisture in depth at 1% probability level and the interaction of moisture at speed and depth at a speed of 5% probability level was significant Became. Also, the interaction of three moisture content at the velocity in depth was also significant at 5% probability level. The results of soil behavior study according to the displacement sensor data showed that the soil was always compressed in the vertical direction. In Abakus software, the soil was simulated as an elastic-plastic material. The type of tire used in the research is 30-R18.4.

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