Automated cone penetrometer

Details Automated cone penetrometer Automated cone penetrometer

1995-05-18

1998-03-10

Raevis, Robert

Measuring and testing

Hardness

By penetrator or indentor

G01N 300

Patent

active

057263493

ABSTRACT:
A compact, portable cone penetrometer for determining the shear resistance of soil measures the compressive force on the penetrometer in penetrating the ground by a load cell and the depth of penetration of the ground by an ultrasonic proximity sensor. The outputs of the load cell and the proximity sensor are stored in the memory of a data logger/processor, from which the field data may later be transferred to a digital computer for averaging and tabulating of the data.

REFERENCES:
patent: 2130751 (1938-09-01), Van der Meer
patent: 4061021 (1977-12-01), Baldwin et al.
patent: 4332160 (1982-06-01), Baragar et al.
patent: 4382384 (1983-05-01), Mitchell et al.
patent: 4649741 (1987-03-01), Strom
patent: 4852397 (1989-08-01), Haggag
patent: 5275513 (1994-01-01), Geary et al.

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