Load transfer mechanism of cement-flyash-gravel pile 
in soft clay by high strain testing

JI Peng; ZHOU Yong-qiang; LIU Song-yu; ZHU Xiang-yang; MA Dong-mei

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Load transfer mechanism of cement-flyash-gravel pile in soft clay by high strain testing

更新时间：2026-06-25

- Load transfer mechanism of cement-flyash-gravel pile in soft clay by high strain testing
- Vol. 26, Issue S1期　刊出日, (2005)
- 作者机构：
  
  1. 东南大学岩土工程研究所,南京,210096
  2. 连云港高速公路建设指挥部,江苏,连云港,222001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：15 December 2005，
  
  Published：2005
- 稿件说明：
移动端阅览
JI Peng, ZHOU Yong-qiang, LIU Song-yu, et al. Load transfer mechanism of cement-flyash-gravel pile in soft clay by high strain testing[J]. 2005, 26(S1期　刊出日).
DOI：

JI Peng, ZHOU Yong-qiang, LIU Song-yu, et al. Load transfer mechanism of cement-flyash-gravel pile in soft clay by high strain testing[J]. 2005, 26(S1期　刊出日). DOI：

摘要

在高速公路海相超软土地基处理中CFG桩（水泥-粉煤灰-碎石桩）的应用已越来越广泛[1～4]。目前由于CFG桩荷载传递的规律及设计计算还局限于经验判断而造成浪费。这里将重点研究动力载荷测试确定单桩承载力和桩侧阻力。试验选在连云港海相软土地区，试验结果将对CFG桩设计参数进行修正。

Abstract

Cement-flyash-gravel CFG

piles are found more and more application to soft clay ground improvement in expressway engineering in China. The load transfer mechanism and design calculation theory are conducted empirically in most cases

this resulting in the higher cost compared with other columns. This study focuses on the dynamic method in determining bearing capacity and shaft resistance. The testing site is typically selected in Lianyungang

where the soft marine clay is well known. Finally

the CFG pile design parameters are recommended.

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Load transfer mechanism of cement-flyash-gravel pile in soft clay by high strain testing

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Related Author

JI Peng1

ZHOU Yong-qiang2

LIU Song-yu1

ZHU Xiang-yang2

MA Dong-mei2

LI Xia

WANG Cheng-zhi

ZHU Gen-qiao

Related Institution

连云港高速公路建设指挥部

School of River and Ocean Engineering, Chongqing Jiaotong University

China Merchants Chongqing Communications Research & Design Institute Co., Ltd., Chief Engineer Office

College of Civil Engineering, Chongqing University

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