›› 2005, Vol. 26 ›› Issue (3): 397-403.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Testing study on properties of mid-expansive soil for expressway construction

GUO Ai-guo, LIU Guan-shi, KONG Ling-wei, CHEN Shan-xiong   

  1. Key Laboratory of Rock and Soil Mechanics, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
  • Received:2004-02-12 Online:2005-03-10 Published:2013-11-21

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Abstract: With the rapid development of expressway construction, more and more engineering problems related to expansive soil occur. Based on a real expressway project, the physico-mechanical properties of mid-expansive soil and its lime-treatment effect were studied by laboratory and field tests. It is discovered that mid-expansive soil without lime treatment has high strength at the optimum water content and in the immersion test it behaves as large swelling, decreasing strength and very bad water stability. While the strength of mid-expansive soil after lime treatment is largely increased and it has good water stability. All of those show the fact that with effective treatment and rational construction, mid-expansive soil can be used in the embankment fill of expressway.

Key words: expansive soil, roadbed, lime treatment, strength, bearing capacity

CLC Number: 

  • TU 413
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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