FEM Modeling of Stress Distribution and Displacement in Clayey Soils during Artificial Compaction

Abstract:

Knowledge of soil behavior under compressive loads is important in order to prevent or minimize the impact of soil compaction on the environment and agricultural production. The aim of this study was to simulate the behavior of a clayey soil under wheel loads applied by an agricultural trailer. For known characteristics of the soil, wheel loads of 4.5 kN and 21 kN and tire inflation pressures of 180, 240 and 300 kPa, were obtained the models of stress distribution and soil displacement. For 300 kPa tire inflation pressure and 21 kN wheel load, were obtained: maximum stress of 175 kPa concentrated in the topsoil at about 140 mm depth, with smaller significant values distributed to 380 mm, and maximum soil displacement of 28.1 mm.

• Periodical: Advanced Engineering Forum (Volume 27)
• Pages: 118-125
• DOI: https://doi.org/10.4028/www.scientific.net/AEF.27.118
• Online since: April 2018
• Authors: Nicoleta Ungureanu*, Valentin Vlăduţ, Sorin Ștefan Biriş, Gigel Paraschiv
• Keywords: Displacement, Soil Compaction, Stress, Tire Inflation Pressure, Wheel Load

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