Abstract
The aim of this study was to investigate the shear stress and deformation contribution of soil particle on silt loam and silt clay textural classes. The soil types of the study area are Hypereutric Vertisols and Rhodic Cambisols. Finite element method (ANSYS) was used to emphasize the locations and determine the amount of shear stress and deformation of soil particles, and IBM SPSS was used for analysis and verification of the results. The laboratory tests and fieldwork experiments were performed in order to determine the input data for finite element analysis. As a result, when draft forces of 615, 815, 1115, 1315, and 1515 N, the maximum shear stress created by clay soil particles is 4239.8 Pa, and the maximum deformation is 0.22 mm. The maximum shear stress in silt loam soil is found in silt soil particles (3713.6 Pa), and soil deformation was also created by silt soil particles (0.21 mm). The maximum shear stress in silt clay soil is found in clay soil particles (2247.09 Pa), and the maximum soil deformation is created by silt soil particles (0.10 mm). Level of fitness (R2) is 0.99%. This research is a great input for agricultural tillage tool designers and the farmers to develop effective design and maximum performance.
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ACKNOWLEDGMENTS
The authors thank Wolkite University (WKU), the Ethiopian Ministry of Education, and Adama Science and Technology University for their contribution in freeing us from other responsibilities for this research. In addition, the authors would like Dr. Fikeru Abiko for his invaluable suggestions, guidance and unwavering support throughout the process, which greatly contributed to his comprehensive understanding of the subject. Our special thanks go to all the staff members of Wolkite laboratory technical for their committed and active participation during laboratory work.
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Thomas, G., Teshome, Y. & Amana, W. Model of Soil Particles to Investigate Shear Stress and Deformation in Silt Loam and Silt Clay Soil Using Finite Element Method. Eurasian Soil Sc. 56 (Suppl 2), S317–S324 (2023). https://doi.org/10.1134/S1064229323601774
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DOI: https://doi.org/10.1134/S1064229323601774