Hydraulic and earth engineering – Fluid control – treatment – or containment – Fluid storage in earthen cavity
Patent
1998-05-12
2000-05-02
Suchfield, George
Hydraulic and earth engineering
Fluid control, treatment, or containment
Fluid storage in earthen cavity
73 492, 340605, 405128, 405129, 588260, B09B 100
Patent
active
060564776
ABSTRACT:
A waste disposal site according to the present invention is provided with water-impermeable properties by water-impermeable materials covering a bottom surface and a sloped side surface of the waste disposal site. The waste disposal site is provided with a water-impermeable material damage-detecting system comprising electrodes for feeding electricity disposed above and below the water-impermeable materials for forming an electric field, and electrodes for measurement disposed along the water-impermeable materials. The system allows for detection of damages to the water-impermeable materials based on a potential variation at a damaged portion thereof. In the waste disposal site, a surface of the water-impermeable material on the sloped side surface is provided with water-retentive cover layers through a planting material or by employing an artificial material, and an electric field is formed inside the cover layer to allow any damages to the water-impermeable materials on the sloped side surface to be detected.
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Imabayashi Osamu
Ueda Shigeo
Suchfield George
Taiyo Kogyo Corporation
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