Nonlinear analysis of laterally loaded piles in sand

WANG Guo-cui; YANG Min

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Nonlinear analysis of laterally loaded piles in sand

更新时间：2026-06-25

- Nonlinear analysis of laterally loaded piles in sand
- Vol. 32, Issue S2, (2011)
- 作者机构：
  
  同济大学地下建筑与工程系岩土及地下结构教育部重点实验室,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473.1
- Online First：26 August 2011，
  
  Published：2011
- 稿件说明：
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WANG Guo-cui, YANG Min. Nonlinear analysis of laterally loaded piles in sand[J]. 2011, 32(S2).
DOI：

WANG Guo-cui, YANG Min. Nonlinear analysis of laterally loaded piles in sand[J]. 2011, 32(S2). DOI：

摘要

对水平受荷桩的非线性分析，多采用p-y曲线法。现行p-y曲线模型很多，曲线形式和选用的参数各不相同。分析各桩土参数对现有p-y曲线的影响，并选择合理的标准化参数将各p-y曲线归一化，采用双曲线模型拟合归一化曲线。总结目前对地基反力模量和土体极限抗力的研究，并考虑桩径、施工等因素的影响，选择合理的双曲线模型参数。通过实例对比分析，证明了双曲线模型以及参数选取的有效性和适用性。双曲线模型形式简洁，符合理想土体的应力-应变关系，并能近似拟合现有的砂土p-y曲线，可广泛用于工程中砂土水平受荷桩基的非线性分析

Abstract

For analysis of laterally loaded piles in sand

the p-y curve method was widely used. There were many different p-y curve models with different curve forms and parameters. The pile and soil parameters in p-y curves were analyzed; reasonable standard parameters were selected to normalize p-y curves; the hyperbolic model was chosen to fit normalized curves. By summarizing the current researches on ground reaction modulus and the ultimate resistance of the soil

considering the pile diameter

construction and other factors

appropriate parameters of hyperbolic model were selected. Through the comparative analysis of examples

the validity and applicability of the hyperbolic model are proved. The form of hyperbolic model is simple and in line with the ideal soil stress - strain relationship

and the model could approximate fitted the existing measured p-y curves in sand. Therefore

hyperbolic model could be used in the nonlinear analysis of laterally loaded piles in sand in practice.

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