Soils percolation testing apparatus

Details Soils percolation testing apparatus Soils percolation testing apparatus

1989-09-01

1991-01-15

Williams, Hezron E.

Measuring and testing

With fluid pressure

Porosity or permeability

73 73, G01N 1508, G01F 2358

Patent

active

049844474

ABSTRACT:
A soils testing apparatus has a hollow shaft for insertion into a test hole and includes vertically adjustable wedging blades slidable and T-tracks on the shaft for centering alignment in the test hole. A hand pump evacuates water from the test hole to a predetermined null point whereupon vertical movement of a float and float rod supported and guided within the shaft over a finite period of time will yield a direct percolation absorption rate.

REFERENCES:
patent: 3892126 (1975-07-01), Curtin
patent: 3945247 (1976-03-01), Anderson
patent: 4099406 (1978-07-01), Fulkerson
patent: 4182157 (1980-01-01), Fink
patent: 4341110 (1982-07-01), Block
patent: 4561290 (1985-12-01), Jewell

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