Analysis of microstructure of soft clay before and after its improvement with dynamic consolidation by drainage

MENG Qing-shan; YANG Chao; XU Xiao-zu; LEI Xu-wen; SUN Shi-ling

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Analysis of microstructure of soft clay before and after its improvement with dynamic consolidation by drainage

更新时间：2026-06-25

- Analysis of microstructure of soft clay before and after its improvement with dynamic consolidation by drainage
- Vol. 29, Issue 7, (2008)
- 作者机构：
  
  1. 中国科学院武汉岩土力学研究所岩土力学与工程国家重点试验室,武汉,430071
  2. 武汉科技大学,武汉,430070
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU411.92
- Online First：27 July 2013，
  
  Published：2008
- 稿件说明：
移动端阅览
MENG Qing-shan, YANG Chao, XU Xiao-zu, et al. Analysis of microstructure of soft clay before and after its improvement with dynamic consolidation by drainage[J]. 2008, 29(7).
DOI：

MENG Qing-shan, YANG Chao, XU Xiao-zu, et al. Analysis of microstructure of soft clay before and after its improvement with dynamic consolidation by drainage[J]. 2008, 29(7). DOI：

摘要

通过液氮冷冻干燥制样技术制备饱和软土试样，借助扫描电子显微镜技术，得到经室内动力排水固结前后土样的微观结构图像，用编制的计算机程序分析其微观结构参数变化。通过比较试样的孔隙个数、总面积、总周长、面积分级、平均孔径、形状系数、圆度和各向异性率、分形维数，研究了在动力排水固结作用下土体微观结构在垂直向和水平向发生的变化。

Abstract

Based on the sample-made technology of the liquid nitrogen freeze-dry

samples of saturation soft soil have been prepared. With the help of scanning electron microscope (SEM) technology

the microstructure images of the soft clay before and after its laboratory improvement with dynamic consolidation by drainage are obtained. The change of its microstructure parameters is studied by a developed computer program. Through comparing the results in terms of the number of pore

total area

total perimeter

the classification of area

the average diameter

and the shape coefficient

the roundness

the anisotropy

fractal dimension

the change of the soil microstructure after the improvement with dynamic consolidation by drainage has been studied preliminarily.

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