Device for carrying out stress tests on rock sample and other ma

Details Device for carrying out stress tests on rock sample and other ma Device for carrying out stress tests on rock sample and other ma

1990-06-28

1991-06-25

Myracle, Jerry W.

Measuring and testing

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

By loading of specimen

G01N 300

Patent

active

050256696

ABSTRACT:
Device for carrying out tests on materials such as rock samples for example, on which triaxial stresses are exerted.
The device comprises an extended body with a central cavity where a first part (6) of a sonic sonde, a sole piece (9) carrying a cubic sample (12) for example, jacks (13) which are introduced along the lateral faces of the sample by connecting them with channels (25) supplying fluid under pressure are successively placed. A centering piece (27) containing a box (26) for another part (28) of the sonic sonde and elements (31, 32) forming a cover are placed above. A piston (35) allows to apply stresses to the sample by means of the box (26). Lateral sensors (22) pick up the displacements of the sample.
Application to the examination of rocks taken from a subterranean formation for example.

REFERENCES:
patent: 4122704 (1978-10-01), Lutenegger et al.

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