›› 2008, Vol. 29 ›› Issue (8): 2209-2214.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Aggregation effect of slaked lime on treated expansive soils

CHENG Yu1, SHI Ming-lei2, ZHOU Zheng-ming1   

  1. 1. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. Institute of Geotechnical Engineering, Southeast University, Nanjing 210096, China
  • Received:2007-12-22 Online:2008-08-11 Published:2013-08-02

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Abstract: Laboratory experiments were carried out to investigate the aggregation effect of lime dosage and age on two types of expansive soils treated with slaked lime. It was found that the treating effects are rather different for the expansive soils of different liquid-plastic limit. The treating effects on highly expansive soils are much greater than those on the weak expansive soils. The treating effects are mainly completed within the first 24 hour period. As such, the resting time period after the second mixing is suggested to be reduced in engineering practices, which is very beneficial for soil density and strength improvement.

Key words: expansive soils, slaked lime, particle size analysis, lime treating, aggregation

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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