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Volume 34 Issue 9
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FAN Heng-hui, LI Hong-liang, ZHAO Gao-wen. Relation among dispersive mechanism, physical-chemical and mineral properties of clayey soil[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(9): 1740-1745.
Citation: FAN Heng-hui, LI Hong-liang, ZHAO Gao-wen. Relation among dispersive mechanism, physical-chemical and mineral properties of clayey soil[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(9): 1740-1745.
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Relation among dispersive mechanism, physical-chemical and mineral properties of clayey soil

  • 1. College of Water Conservancy and Architectural Engineering, Northwest A & F University, Yangling 712100, China; 2. Shandong Changle Construction Engineering Quality Supervision Station, Changle 262400, China

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  • Received Date: August 31, 2011
  • Published Date: October 09, 2012
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    • Abstract
  • Based on the double-layer theory in soil-water-electrolyte system, the relation among the dispersivity, physical, chemical and mineral properties of 48 soil samples is studied. Based on experimental researches and engineering cases, the dispersive mechanism is clarified. The results show that the influence factors of the dispersivity include clay content, clay mineral composition, organic matter, sodium ion and pH value. However, the sodium ion and pH value in the medium are the essential factors. No matter whether the clay mineral in soil is montmorillonite or illite, as long as the soil contains more sodium ions and alkaline pH, the soil will be dispersed. Both of them are indispensable.
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    • References (18)
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