›› 2011, Vol. 32 ›› Issue (1): 91-94.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Experimental study of effects of pollution on electric resistivity characteristics of soil-cement

DONG Xiao-qiang 1,2，BAI Xiao-hong1，LÜ Yong-kang2，XU Pei-hong1   

  1. 1 College of Architecture and Civil Engineering, Taiyuan University of Technology, Taiyuan 030024, China; 2 Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province ,Taiyuan University of Technology, Taiyuan 030024, China
  • Received:2008-03-27 Online:2011-01-10 Published:2011-01-19

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Abstract:

Groundwater has mass corrosion pollutant because of environmental pollution that has a strong impact on the strength and durability of soil-cement subgrade. The soil-cement blocks has been soaked in different concentrations of vitriol solution for various ages in the laboratory. After testing electric resistivity and unconfined compression strength, the effects of vitriol pollution on soil-cement electric resistivity are presented. The results indicate that the electric resistivity of soil-cement and pore water are decreasing with the increment of vitriol solution concentration while increasing with the increment of age; the formation factor is increasing with the increment of vitriol solution concentration and age; the unconfined compression strength of soil-cement blocks is increasing with the increment of soil-cement electric resistivity. Finally, a formula is purposed to forecast soil-cement electric resistivity at any solution concentration and age.

Key words: soil-cement, electric resistivity, formation factor, unconfined compression strength, pollution

CLC Number: 

  • TU 41
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