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Title: Demonstration and validation of single-well electro-osmotic dewatering systems for corrosion mitigation : final report on Project F10-AR07
Authors: McInerney, Michael K.
Athmer, Christopher.
Clark, Lawrence.
Keywords: Corrosion
Electro-osmotic dewatering
Water table
Dampness in buildings
Dampness in basements
Military bases--Buildings
Publisher: Construction Engineering Research Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/CERL ; TR-18-7
Abstract: When precipitation, runoff, and snowmelt percolate into soil and overload existing drainage infrastructure, the water table around building foundations can rise and infiltrate through cracks and joints. When infiltration exceeds sump pump capabilities, standing water and residual dampness can corrode or ruin fixtures, equipment, and stored supplies, also promoting mold growth that can make workers ill. The conventional solution—trenching and installing drainage tiles—is expensive, disruptive, and often ineffective. This report documents the development and demonstration of a patented electro-osmotic dewatering technology that works with outdoor wells and pumps to lower the water table around subgrade structures, thereby reducing or eliminating damage to building contents and the subgrade structure. After a pilot test at an installation in Japan and a site-selection procedure, an optimized prototype system was installed for an administrative building at Blue Grass Army Depot, KY. The system was able to nominally lower the water table, and electro-osmotic flow was confirmed to positively impact pumping rates. However, site-specific drainage issues allowed rainwater to bypass the system and infiltrate the basement. Given less problematic site conditions, the projected return on investment for the technology was 9.97. Recommendations are offered for further development that could significantly increase technology effectiveness.
Description: Technical Report
Gov't Doc #: ERDC/CERL TR-18-7
Rights: Approved for Public Release; Distribution is Unlimited
Size: 90 pages/10.96 Mb
Appears in Collections:Technical Report

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