Effect of Salt Concentrations on the Permeability and Compressibility of Soil-Bentonite Mixtures

DOI 機関リポジトリ (HANDLE) 被引用文献1件 オープンアクセス
  • Mishra Anil Kumar
    Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu Unviersity
  • 大坪 政美
    Department of Bioresource and Environmental Science,Kyushu University
  • Li Loretta
    The University of British Columbia,Vancouver,B.C.Canada
  • 東 孝寛
    Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu Unviersity

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説明

The influence of NaCl and CaCl2 at various concentration on permeability and compressibility of mixtures of basalt soil and bentonite has been investigated. Comparison of hydraulic conductivity (k) for different salt solutions shows that the dicalent cation have more effect than monovalent cation. Comparison of different salt concentrations for particular salt on a particular soil mixture shows that the k decreases with decreasing salt concentration. This decrease can be attributed to an increase in diffuse double layer thickness. A change in salt concentration from 0 (Deionized Water) to 0.01 mol/L did not produce any significant effect on the k for the basalt soilbentonite mixture of proportion 100:20, but a further increase in salt concentration had a pronouces effect on k. The compressibility of the soil mixtures was reduced with increasing salt concentration of the pore fluid.

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詳細情報 詳細情報について

  • CRID
    1390572174637189504
  • NII論文ID
    110004036984
  • NII書誌ID
    AA00247166
  • DOI
    10.5109/4692
  • HANDLE
    2324/4692
  • ISSN
    00236152
  • 本文言語コード
    en
  • 資料種別
    departmental bulletin paper
  • データソース種別
    • JaLC
    • IRDB
    • Crossref
    • CiNii Articles
    • OpenAIRE

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