Hydraulic and Electro-Osmotic Permeability Coefficients

by Panchanatham N. Sundaram,


Serial Information: Journal of the Geotechnical Engineering Division, 1979, Vol. 105, Issue 1, Pg. 89-92


Document Type: Journal Paper

Abstract: Knowledge of hydraulic and electro-osmotic permeability coefficients is required to assess the amount and time rate of consolidation by electro-osmosis. Usually, the coefficients are determined separately. In one method, the pore water is allowed to rise in a vertical tube at the open cathode under a constant voltage gradient. The final electro-osmotic equilibrium head at the cathode is used to estimate the electro-osmotic equilibrium head at the cathode is used to estimate the electro-osmotic permeability, ke, from a knowledge of the hydraulic permeability coefficient, kh.

Subject Headings: Osmosis | Equilibrium | Head (fluid mechanics) | Pore water

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