Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1981-01-13
1981-12-15
Prescott, Arthur C.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204299R, 166248, 175 19, 405228, 405232, B01D 1302, E02D 726
Patent
active
043058000
ABSTRACT:
A method of directing water by electro-osmosis to an electrically conductive pile for driving or pulling the pile into or from soil having water above the soil. When the pile is in contact with the soil directing a direct current downwardly to a plurality of locations surrounding the pile and to the pile for increasing the water content of the soil adjacent the pile while preventing the flow of electricity to the pile through the water. The method comprehends placing an anode having a plurality of surfaces into the soil, placing the pile within the plurality of surfaces of the anode and into the soil, insulating the surfaces of the anode from the pile above the soil for preventing electricity flowing between the anode surfaces and the pile through the water but allowing electricity to flow between anode surfaces and the pile through the soil, and directing d-c current from the anode surfaces through the soil for increasing the water content of the soil adjacent the pile. The method further comprehends insulating the anode from the pile by bonding an insulator to the anode surfaces or insulating between the anode surfaces and the pile. The anode may include a plurality of legs having insulation on the exterior of the legs, or be hollow with insulation on the inside of the anode or the pile may include an upward electrically non-conductive portion and a lower electrically conductive portion in which the upper portion extends above the water and into the soil. The method further comprehends increasing the load bearing strength of a driven pile by reversing the current flow after the pile is driven.
REFERENCES:
patent: 4046657 (1977-09-01), Abbott
patent: 4119511 (1978-10-01), Christenson
patent: 4124483 (1978-11-01), Christenson
patent: 4157287 (1979-06-01), Christenson
Pile Driving by Electro-Osmosis, Nikolaev, Consultants Bureau, 1962.
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