Soil infiltrometer

Details Soil infiltrometer Soil infiltrometer

1989-04-25

1990-09-18

Chapman, John

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508

Patent

active

049569937

ABSTRACT:
A soil infiltrometer for making permeability measurements in the field. A small reservoir is concentrically placed inside a large reservoir and both are filled with water. The small reservoir consists of a relatively large base receptacle and an upwardly extending tube. Because the small reservoir has a much smaller volume than the large reservoir the effects of thermal expansion and temperature changes are minimized, and the accuracy of determining the quantity of water lost to the soil is increased. A sight level gauge permits the permeation of water from the small reservoir to be noted.

REFERENCES:
patent: 2540096 (1951-02-01), Bull
patent: 2913897 (1959-11-01), Kirkham et al.
patent: 2923148 (1960-02-01), Kirkham et al.
patent: 2949766 (1960-07-01), Kirkham et al.
patent: 3861196 (1975-01-01), Domenighetti
patent: 4164139 (1979-07-01), Jones
patent: 4478069 (1984-10-01), Zuckerwar

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