Effects of consolidation process on stress-strain characters of tjaeles

MA Wei; WU Zi-wang; CHANG Xiao-xiao

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Effects of consolidation process on stress-strain characters of tjaeles

更新时间：2026-06-25

- Effects of consolidation process on stress-strain characters of tjaeles
- Vol. 21, Issue 3, (2000)
- 作者机构：
  
  中科院寒区旱区环境与工程研究所冻土工程国家重点实验室,甘肃,兰州,730000
- 作者简介：
- 基金信息：
- DOI：
  CLC： P642.14
- Online First：26 December 2016，
  
  Published：2000
- 稿件说明：
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MA Wei, WU Zi-wang, CHANG Xiao-xiao. Effects of consolidation process on stress-strain characters of tjaeles[J]. 2000, 21(3).
DOI：

MA Wei, WU Zi-wang, CHANG Xiao-xiao. Effects of consolidation process on stress-strain characters of tjaeles[J]. 2000, 21(3). DOI：

摘要

选用四种不同固结方式

并在-5 ℃条件下

对冻结砂土样进行三轴压缩试验

试验发现固结过程对冻土的强度与变形有明显影响

经历 K 0 DCF 的冻土其强度最大

破坏变形最小; 经历 FC 的试样强度最小

破坏变形最大; 经历 EDCF和 EUDCF 的冻土样介于中间。

Abstract

Through triaxial compressive tests of frozen sandy soils under 4 kinds of different consolidating processes (-5 ℃)

it is found that the consolidating process strongly affects the strength and deformation of frozen soils. The frozen soil that is subject to K0 DCF( drainage consolidating and then freezing)has the greatest ultimate strength and the lowest failure strain

on the contrary the frozen soil that is subject to FC ( first freezing and then consolidating)has the lowest ultimate strength and the greatest failure strain . For the frozen soil of undergoing the isobaric pressure drainage consolidating and then freezing ( EDCF) and the isobaric pressure undrainage consolidating and then freezing ( EU CDF)

their ultimate strength and failure strain are between those of K0 DCF and FC.

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