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首页> 外文会议>Third Diana World Conference, Oct 9-11, 2002, Tokyo, Japan >Lateral reaction modulus for single piles ― Simplified modelling by linear finite elements
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Lateral reaction modulus for single piles ― Simplified modelling by linear finite elements

机译：单桩的侧向反应模量―线性有限元简化建模

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摘要

Pile foundations often behave under lateral forces. The complexity of soil-pile interaction is due to many geotechnical and geometrical factors as well as to the 3D nature of the phenomenon. This paper is aimed to present the results of a simplified 3D modelling of soil/pile system by linear solid finite elements. After validation of the model, a parametric study was carried out. The lateral subgrade reaction modulus was derived from a process of fitting and differentiation of shear forces curves along the pile, and a simplified formulation in homogeneous soil as well as in Gibson's soil was proposed. At last, an assessment of this formulation was carried out by predicting the deflections of experimental piles tested at full scale.
机译：桩基通常在侧向力作用下运行。土桩相互作用的复杂性归因于许多岩土和几何因素以及该现象的3D性质。本文旨在介绍通过线性固体有限元对土壤/桩系统进行简化3D建模的结果。在模型验证之后，进行了参数研究。路基侧向反应模量来自于沿桩的剪切力曲线的拟合和微分过程，并提出了在均质土和吉布森土中的简化公式。最后，通过预测在满量程下测试的实验桩的挠度来评估这种配方。

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