Triaxial cell for the testing of geomaterials in compression and in tension
A geotechnical material, test room technology, applied in the direction of using stable tension/pressure to test material strength, material inspection items, analysis materials, etc.
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[0036] The present invention relates to a triaxial unit for conducting geotechnical material tests on samples such as rock, soil or manufacturing materials, which includes:
[0037] At least one piston 2 for subjecting the specimen 3 to stress directed along the longitudinal axis of the specimen;
[0038] Hydraulic device, used to make the side wall of the sample 3 under fluid pressure, if necessary, through the elastic shell 4 that wraps the side wall of the sample 3 subject to particularly radial stress;
[0039] The hydraulic device includes: at least one sealed test chamber 5 into which a sample is introduced; and a circuit for pressurizing and controlled discharge of the test chamber with a so-called pressurized fluid.
[0040] According to the present invention, the unit includes a device 7 for constraining the specimen in tension, the device 7 being configured to detachably fix the specimen between two attachments 8, 9 which 8 and 9 are used to move away from or close to each o...
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