Triaxial compression test apparatus

Details Triaxial compression test apparatus Triaxial compression test apparatus

1985-07-03

1986-10-07

Myracle, Jerry W.

Measuring and testing

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

By loading of specimen

G01N 300

Patent

active

046152210

ABSTRACT:
A triaxial compression test apparatus includes a cylindrically-shaped sample disposed in a fixed-hydraulic cylinder with the sample's ends disposed between a first piston and the fixed cylinder's base. An annular space for hydraulic fluid surrounds the remaining surface of the sample. The first piston, located in the fixed cylinder, includes a rod mechanically coupled to the housing of a floating hydraulic cylinder housing a second piston therein. A single force applied to the second piston, 1. transmits a first force, via the first piston, along the longitudinal axis of the sample and 2. transmits a second force along the axial axes of the sample via a hydraulic fluid coupled from the floating cylinder to the annular space of the fixed cylinder. A constant ratio is maintained between the two forces.

REFERENCES:
patent: 3035437 (1962-05-01), Watkins et al.
patent: 3505860 (1970-04-01), Bishop et al.
patent: 3616685 (1971-11-01), Strom
patent: 3728895 (1973-04-01), Shaw
patent: 3797303 (1974-03-01), Bascoul et al.
patent: 3820385 (1974-06-01), Cordoba
patent: 3975950 (1976-08-01), Erdel
patent: 4332175 (1982-06-01), Krainski, Jr.
Ignat'ev, L. N. et al., Accelerated-Test System . . . States, from Ind. L (USA), vol. 44, No. 1, Jan. 1978, pp. 149, 150.

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