The Effects of Brine Contamination on the Properties of Fine Grained Soils

by Yatkwong A. Ho, Univ of Saskatchewan, Saskatoon, Sask, Can,
Dennis E. Pufahl, Univ of Saskatchewan, Saskatoon, Sask, Can,

Document Type: Proceeding Paper

Part of: Geotechnical Practice for Waste Disposal '87


Laboratory tests have been performed to investigate the effects of brine contamination on grain size distribution, relative density, liquid and plastic limits, hydraulic conductivity, dispersivity and the changes in the clay mineral double layers of remoulded Indian Head Till and Regina Clay samples. Remoulded till and clay samples and undisturbed insitu Regina Clay samples were used in salt diffusion studies. Utilizing Fick's second law of diffusion, a simple method has been proposed to evaluate the coefficients of diffusion of ions in clay layers. The results of the test program indicate that brine contamination has no discernable effect on grain size distribution and relative density of the two soils that were tested.

Subject Headings: Soil properties | Fine-grained soils | Clays | Soil analysis | Diffusion (chemical) | Diffusion (porous media) | Salt water | Pollution | Saskatchewan | Canada

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