Electrical friction sleeve cone penetrometer

Details Electrical friction sleeve cone penetrometer Electrical friction sleeve cone penetrometer

1981-07-21

1983-08-16

Myracle, Jerry W.

Measuring and testing

Hardness

By penetrator or indentor

73 9, G01N 300

Patent

active

043984142

ABSTRACT:
A quasi-static electrical friction sleeve cone penetrometer probe which includes a main body, portion of the body being a cone load cell connectible to a cone for measurement of cone resistance. A friction sleeve load cell is connectible to the main body, and a friction sleeve is connectible to the friction sleeve load cell for separate measurement of side friction. Each load cell has strain gauges attached around an outer surface, and balancing circuitry located within the cell. The friction sleeve is supported against lateral forces by three annular sleeves located on the main body, friction sleeve load cell and the cone.

REFERENCES:
patent: 3906781 (1975-09-01), Vlasblom
patent: 3956924 (1976-05-01), Hansen et al.
patent: 3988923 (1976-11-01), Elmiger et al.

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