›› 2011, Vol. 32 ›› Issue (4): 1025-1028.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of freezing-thawing test process of unsaturated clay

WU Li-zhou，XU Qiang，HUANG Run-qiu   

  1. State Key Laboratory of Geological Hazard Prevention and Geological Environment Protection, Chengdu University of Technology, Chengdu 610069, China
  • Received:2009-11-09 Online:2011-04-10 Published:2011-04-29

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Abstract:

The characteristics of unsaturated clay under different water contents and densities are analyzed based on the frost heaving and thawing settlement experiments. Influence of water content on frozen soil thermal conductivity is concerned; and attentions are particularly paid to the movement of freezing front. Moving speed of freezing front is connected with dry density and water content; water content has a significant effect on freezing front movement. Higher water content means faster movement for freezing front. The experiment and analysis of unsaturated frozen soil can provide references for the theoretical study and engineering application.

Key words: unsaturated frozen soil, frost heaving, thawing settlement, water content, freezing front

CLC Number: 

  • TU 445
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