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Numerical Analysis of the Staoility of Embankment Slope Reinforced with Piles

机译：桩加固路堤边坡稳定性的数值分析

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摘要

The effects of stabilizing piles on the stability of an embankment slope are analyzed by numerical simulation. The shear strength reduction method is used for the analysis, and the soil - pile interaction is simulated with zero-thickness elasto-plastic interface elements. Effects of pile spacing and pile position on the safety factor of slope and the behavior of piles under these conditions are given. The numerical analysis indicates that the positions of the pile have significant influence on the stability of the slope, and the pile needs to be installed in the middle of the slope for maximum safety factors. In the end, the soil arching effect closely associated with the space between stabilizing piles is analyzed. The results are helpful for design and construction of stabilizing piles.
机译：通过数值模拟分析了稳定桩对路堤边坡稳定性的影响。分析采用抗剪强度折减法，并采用零厚度弹塑性界面元模拟了土-桩相互作用。给出了桩间距和桩位置对边坡安全系数和桩身性能的影响。数值分析表明，桩的位置对边坡的稳定性有很大的影响，为保证最大的安全系数，必须将桩安装在边坡的中部。最后，分析了与稳定桩间距密切相关的土拱效应。研究结果对稳定桩的设计和施工有帮助。

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