Research Article
Aug 1973
Numerical Analysis of Electro-Osmotic Flow in Soils
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VIEW THE REPLYAuthors: Roland W. Lewis and Chris HumphesonAuthor Affiliations
Publication: Journal of the Soil Mechanics and Foundations Division
Volume 99, Issue 8
Abstract
The solution of two-dimensional transient seepage problems under the influence of both electrokinetic and hydrodynamic forces is found using the finite element method. The governing differential equations account for both the time-dependent consolidation and the time-dependent storage of electricity of the soil media. Solutions to problems are primarily presented as the movement of the phreatic surface with time, but pore water velocities, hydraulic, and electric potentials at the nodes are also calculated in the program. A practical problem, where electroosmosis was used because normal dewatering methods have proven ineffective, was analyzed using the numerical model. The results obtained compared favorably with measurements made in the field. The main advantage of the numerical model is that the electrode configuration can easily be changed to enable the most efficient arrangement to be determined.
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Published In
Journal of the Soil Mechanics and Foundations Division
Volume 99 • Issue 8 • August 1973
Pages: 603 - 616
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Aug 1973
Published online: Feb 12, 2021
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Authors
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Roland W. Lewis
Lect., Dept. of Civ. Engrg., Univ. of Wales, Swansea, U.K.
Chris Humpheson
Research Student, Dept. of Civ. Engrg., Univ. of Wales, Swansea, U.K.
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