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首页> 外文期刊>農業機械学会誌 >Soil deformation beneath a rigid wheel on the sandy ground (part 2) - extension of the displacement increment model and prediction of the soil strains
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Soil deformation beneath a rigid wheel on the sandy ground (part 2) - extension of the displacement increment model and prediction of the soil strains

机译：沙质地面上刚性轮下方的土壤变形（第2部分）-位移增量模型的扩展和土壤应变的预测

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摘要

In part 1, displacement increments were modeled using the relative horizontal distance from the vertical center line of the wheel to the soil particle. In this paper, it was clarified that the shape of displacement trajectories kept the similarity and the size shrunk exponentially with the increase of depth to extend the model taking into consideration the depth. Based on these results, unknown coefficients in the model were expressed as functions of the depth from the soil surface for extending to the two-dimensional displacement increment model. Consequently, strain increments at the arbitrary position in the soil could be formulated, and strains were predicted according to traveling test conditions. The fitness of those were confirmed by comparison with measured data.
机译：在第1部分中，使用从砂轮的垂直中心线到土壤颗粒的相对水平距离来模拟位移增量。本文阐明，位移轨迹的形状随着深度的增加而保持相似性并且尺寸以指数方式收缩，从而在考虑深度的情况下扩展了模型。基于这些结果，模型中的未知系数表示为从土壤表面延伸到二维位移增量模型的深度的函数。因此，可以确定土壤中任意位置的应变增量，并根据行驶测试条件预测应变。通过与实测数据进行比较，确定了这些产品的适用性。

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