Cell for the triaxial stress testing of a rock sample and a test

Details Cell for the triaxial stress testing of a rock sample and a test Cell for the triaxial stress testing of a rock sample and a test

1989-06-30

1991-06-25

Raevis, Robert

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

G01N 300

Patent

active

050256688

ABSTRACT:
The present invention provides a cell for the triaxial stress testing of a rock sample, comprising a central body in which is placed a membrane enclosing said sample and exerting lateral stresses thereon, as well as a vertical pressure means acting on a section of the sample, said cell further comprising means for measuring the deformations of the sample related to the stresses which are applied thereto. The membrane has a central lateral opening in which the sample is introduced, a lateral external surface coming into contact with the body of the cell and a hollow internal volume forming a chamber providing confinement by means of a fluid introduced through an orifice.

REFERENCES:
patent: 3861196 (1975-01-01), Domenighetti
patent: 3975950 (1976-08-01), Erdei
patent: 4149407 (1979-04-01), Strom et al.
patent: 4579003 (1986-04-01), Riley
patent: 4599891 (1986-07-01), Brauer et al.

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