An Overview of Electrokinetic Consolidation of Soils

Electrokinetic stabilization is one of the techniques that improve the geotechnical properties of the soils. It was pioneered by Casagrande in late 1940s and has not seen much development since then, especially in large-scale field applications. Some bench scale studies have been carried out during...

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Bibliographic Details
Published in:Geotechnical and geological engineering 2016-06, Vol.34 (3), p.759-776
Main Authors: Malekzadeh, Mona, Lovisa, Julie, Sivakugan, Nagaratnam
Format: Article
Language:English
Subjects:
Civil Engineering
Consolidation
Corrosion
Earth and Environmental Science
Earth Sciences
Electrochemistry
Electrokinetics
Energy costs
Geotechnical engineering
Geotechnical Engineering & Applied Earth Sciences
Hydrogeology
Parameters
Physiochemistry
Soft soils
Soil properties
Soil stabilization
Stabilization
State-of-the-Art Review
Terrestrial Pollution
Waste Management/Waste Technology
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Summary:Electrokinetic stabilization is one of the techniques that improve the geotechnical properties of the soils. It was pioneered by Casagrande in late 1940s and has not seen much development since then, especially in large-scale field applications. Some bench scale studies have been carried out during the past two decades and there have been some small scale field studies and limited field applications, mostly on soft soils. Due to lack of understanding of the physiochemical and electrochemical changes in the soil during electrokinetic stabilization, uncertain energy costs, loss of efficiency with time and the corrosion of electrodes, this method is usually considered as a last resort for large-scale practical applications. The objective of this paper is to highlight the critical parameters affecting electrokinetic consolidation, and to discuss their effects on the efficiency of the process. A better understanding of these critical parameters and their effects will enable geotechnical engineers to design the electrokinetic consolidation operation more effectively and make it an economically viable process for many situations.
ISSN:0960-3182
1573-1529
DOI:10.1007/s10706-016-0002-1