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Environmental and Engineering Geoscience; February 2005; v. 11; no. 1; p. 53-60; DOI: 10.2113/11.1.53
© 2005 Association of Engineering Geologists
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Use of Small-Scale Electro-osmotic Systems in Controlling Groundwater Movement Around Structures

CHARLES A. WEISS, JR.1, PHILIP G. MALONE1, VINCENT F. HOCK1, MICHAEL K. MCINERNEY1 and SEAN W. MOREFIELD1

1 USACE Engineer Research and Development Center, 3909 Halls Ferry Road, Vicksburg, MS 39180-6133

Small-scale electro-osmotic systems for use around commercial and residential structures are becoming increasingly common as a method of controlling the water seeping through concrete foundations or seeping into basements and other underground structures.<--?1--> <--?2--> These systems are designed for continuous use in moving water out of the soil adjacent to the structures. There is little engineering guidance on the selection and installation of the components for these small-scale systems. Features such as soil conditions, positioning of electrodes, operating voltages, operating patterns for decreasing polarization problems, and selecting the types of electrodes are critical in assuring efficient operation and a long service life. By screening sites to make sure that the geological conditions are appropriate and tailoring the system to fit the site, electro-osmotic dewatering can be applied safely and effectively, giving a property owner a method other than conventional drains for controlling groundwater problems on a building site.

Key Words: Electro-osmosis • Electrokinetics • Dewatering • Moisture Control • Foundations • Structures






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