Study of base bearing capacity of overlength single pile using 3D FEM

WU Peng; GONG Wei-ming; LIANG Shu-ting

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Study of base bearing capacity of overlength single pile using 3D FEM

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- Study of base bearing capacity of overlength single pile using 3D FEM
- Vol. 27, Issue 10期　刊出日, (2006)
- 作者机构：
  
  1. 中南大学土木建筑学院,长沙,410075
  2. 东南大学土木工程学院,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：29 November 2013，
  
  Published：2006
- 稿件说明：
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WU Peng, GONG Wei-ming, LIANG Shu-ting. Study of base bearing capacity of overlength single pile using 3D FEM[J]. 2006, 27(10期　刊出日).
DOI：

WU Peng, GONG Wei-ming, LIANG Shu-ting. Study of base bearing capacity of overlength single pile using 3D FEM[J]. 2006, 27(10期　刊出日). DOI：

摘要

基于有限元-荷载传递联合法，利用通用有限元软件ABAQUS对超长单桩的桩端承载性状进行了分析研究，具体分析了桩长、桩径、土性等因素对桩端承载力的影响。结果表明，桩长越长，桩端承载力越高；桩径越大，相应桩端单位面积承载力越低；土的弹性模量和内摩擦角对桩端承载力均有较大的影响，而凝聚力则影响较小。同时，也分析了桩侧摩阻力对桩端阻力的影响即桩侧摩阻力对桩端阻力有提高作用。

Abstract

Based on FEM- load transfer hybric method which was proposed by the authors

base bearing characters of overlength single pile was studied using popular FEM software ABAQUS. The effects of pile length

pile diameter and soil characters on base bearing characters were studied in deal. Longer the pile is

higher the base bearing capacity is; bigger the pile diameter is

lower base bearing capacity unit area is; Young’s modulus and internal friction angle have great effect on base bearing capacity

but cohesive strength have little effect on it. Moreover

how the shaft resistance affect base bearing characters was introduced. Shaft resistance increases the base bearing capacity.

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Related Author

WU Peng1

GONG Wei-ming2

Related Institution

东南大学土木工程学院长沙410075 东南大学土木工程学院

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