›› 2006, Vol. 27 ›› Issue (S1): 619-621.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Comparison study on two prediction methods of ground heave in expansive soil foundation based on shrinkage test

YU Fei, CHEN Shan-xiong, MA Jia   

  1. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
  • Received:2006-06-25 Published:2006-12-15

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Abstract: Two prediction methods of ground heave in expansive soil foundation based on shrinkage test are introduced; and the comparison research of prediction result is carried out. The analysis indicates that the calculation results of the two prediction methods exist bigger difference for different shrinkage indexes is adopted as calculation parameter. The prediction values of the two methods respectively correspond the lateral unconfined state and complete lateral confined state. Considering the fissure characteristic of expansive soil and the actual lateral confinement state of the foundation, an empirical formula is developed to calculate the ground heave. The suggested method enhances the accuracy of heave prediction of expansive soil foundation, it has significant meaning to the treatment scheme design of expansive soil grounds.

Key words: expansive soil, ground heave, shrinkage test, prediction method, lateral confinement

CLC Number: 

  • TU 411
  • 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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