Research on calculating pile’s bearing capacity considering time-effect combining

PENG Jie; SHI Jian-yong; LOU Liang; ZHENG Shao-jun

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Research on calculating pile’s bearing capacity considering time-effect combining

更新时间：2026-06-25

- Research on calculating pile’s bearing capacity considering time-effect combining
- Vol. 24, Issue 1, (2003)
- 作者机构：
  
  1. 河海大学岩土工程研究所,江苏,南京,210098
  2. 杭金衢高速公路总监办，浙江萧山,320001
  3. 杭金衢高速公路萧山段指挥部，浙江萧山,320001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：27 August 2014，
  
  Published：2003
- 稿件说明：
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PENG Jie, SHI Jian-yong, LOU Liang, et al. Research on calculating pile’s bearing capacity considering time-effect combining[J]. 2003, 24(1).
DOI：

PENG Jie, SHI Jian-yong, LOU Liang, et al. Research on calculating pile’s bearing capacity considering time-effect combining[J]. 2003, 24(1). DOI：

摘要

采用空间轴对称固结有限元结合修正剑桥模型，用柱形孔扩张对沉桩过程进行模拟，求出不同时期桩周土中的应力，从而得到不同间歇期桩侧的最大摩擦力。应用荷载传递法对桩基承载力进行计算，结合桩周土体剪切强度、应力状态的变化，得到了考虑时效影响的桩基承载力的计算方法。实例计算表明，结果较合理。

Abstract

The cylindrical expansion combining with spatial axisymmetrical consolidation finite element method and modified Cam-clay model

is adopted to simulate pile driving. Stresses around a pile at vavious time can be calculated and then the maximum frictional force of pile-soil interface at various time can be obtained. The load transfer method is adopted to compute pile’s bearing capacity. Considering the change of mechanical property and stress state of soil adjacent pile

a method of calculating pile’s bearing capacity considering time-effect is gained and an example shows it is rational.

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