›› 2005, Vol. 26 ›› Issue (12): 1895-1899.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on approach to identification and classification of expansive soils

CHEN Shan-xiong1,2, YU Song2, KONG Ling-wei2, GUO Ai-guo2, LIU Guan-shi2   

  1. 1. College of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China; 2. Institute of Rock & Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071 China
  • Received:2005-02-27 Online:2005-12-10 Published:2014-01-12

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Abstract: The identification and classification of expansive soils is the problems that should be firstly solved in construction in expansive soil region. The existing approach to identification and classification of expansive soils has been evaluated. The indices that can reflect and characterize swell-shrink mechanism and property were analyzed. The analysis indicates that 5 indices such as liquid limit, plastic limit , clay particles, free swell ratio, swell-shrink total ratio can reflect and characterize swell-shrink mechanism and property; hereby these 5 indices have been suggested as identification and classification indices of expansive soils; and a new approach of 5- indices including liquid limit , plastic limit , clay particles, free swell ratio, swell-shrink total ratio, for identification and classification of expansive soils has been established. The new approach to identification and classification of expansive soils has been validated and it has been shown that the new approach is easy and reliable.

Key words: expansive soils, identification and classification, swell potential index

CLC Number: 

  • TU 443
  • 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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