Method and probe for measuring hydraulic conductivity of soil

Details Method and probe for measuring hydraulic conductivity of soil Method and probe for measuring hydraulic conductivity of soil

2006-06-13

2006-06-13

Williams, Hezron (Department: 2856)

Measuring and testing

With fluid pressure

Porosity or permeability

Reexamination Certificate

active

07059174

ABSTRACT:
Agricultural waste lagoons are the predominant method currently utilized to contain large quantities of livestock by-products such as manure. Clay liners are the most common materials used to line the bottom of storage lagoons in order to prevent waste effluent seepage. Clay liners are an economical lining material and have a hydraulic conductivity of less than 1×10−7cm/s. Proper containment of waste in storage lagoons is critical to avoid the implications of local groundwater contamination. A hydraulic conductivity probe was designed to alleviate the negative aspects of the current methods used to determine hydraulic conductivity. The probe includes a housing for insertion into the ground, electrical potential gradient means for generating an electrical potential gradient in the ground and pressure sensing means for measuring changes in pressure in the ground.

REFERENCES:
patent: 2345935 (1944-04-01), Hassler
patent: 4150578 (1979-04-01), Swartz
patent: 6061634 (2000-05-01), Belani et al.
patent: 6098448 (2000-08-01), Lowry et al.
patent: 6236941 (2001-05-01), Kram et al.
patent: 197 25 035 (1998-10-01), None
patent: 2605740 (1988-04-01), None
patent: 01 59248 (2001-08-01), None

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