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The p-y method as a simplified analysis tool has been widely used to analyze the behavior of laterally loaded piles. This chapter develops a novel cyclic p-y elastoplastic model within the framework of the single-surface bounding surface theory. The model can capture the soil stiffness degradation during cyclic loading by incorporating the cumulative plastic displacement to an interpolation function of the elastoplastic resistance coefficient.

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A Cyclic p-y Elastoplastic Model Applied to Lateral Loaded Pile in Soft Clays

  • 章节

  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • Xinglei Cheng,
  • Dechun Lu,
  • Piguang Wang

摘要

The p-y method as a simplified analysis tool has been widely used to analyze the behavior of laterally loaded piles. This chapter develops a novel cyclic p-y elastoplastic model within the framework of the single-surface bounding surface theory. The model can capture the soil stiffness degradation during cyclic loading by incorporating the cumulative plastic displacement to an interpolation function of the elastoplastic resistance coefficient.