Field test of dynamic compaction for reinforcing filled ground and its microstructural analysis

WANG Li-chao; HU Rui-lin; LI Yao-gang; ZHOU Zhen-hong; GUO Shu-tai

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Field test of dynamic compaction for reinforcing filled ground and its microstructural analysis

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- Field test of dynamic compaction for reinforcing filled ground and its microstructural analysis
- Vol. 25, Issue 11期　刊出日, (2004)
- 作者机构：
  
  1. 北京交通大学土木建筑工程学院,北京,100044
  2. 中国科学院地质与地球物理研究所,北京,100029
  3. 建设综合勘察研究设计院,北京,100007
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472.3+1
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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WANG Li-chao, HU Rui-lin, LI Yao-gang, et al. Field test of dynamic compaction for reinforcing filled ground and its microstructural analysis[J]. 2004, 25(11期　刊出日).
DOI：

WANG Li-chao, HU Rui-lin, LI Yao-gang, et al. Field test of dynamic compaction for reinforcing filled ground and its microstructural analysis[J]. 2004, 25(11期　刊出日). DOI：

摘要

对位于北京西北郊的某工程场地的填土地基在不同夯次、不同夯能条件下进行了现场试验，发现地面夯沉量的变化具有阶段性的特点。通过对采自不同夯击阶段的试样进行SEM图像定量分析，得到了夯击过程中地基土的微观结构参数与夯沉量变化的相关关系，从微观角度初步掌握了强夯过程的结构控制规律。

Abstract

A field dynamic compaction test of filled ground is carried out in a construction site in northwestern suburb of Beijing. Under the conditions of different blow counts and compaction energies

the subsidence of ground changes by phases. At the same time

quantitative analyzing of structure images is carried out on the samples of different compaction phases. The correlativity between microstructural parameters and the change of subsidence of filled ground is found. The test results reveal the law of controlling structure as viewed from microcosmic study during dynamic compaction.

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