SETUP FOR SAMPLE COMPRESSION TESTS FOR LONG-TERM AND SHORT-TERM LOADING Russian patent published in 2014 - IPC G01N3/10 

FIELD: test equipment.

SUBSTANCE: setup includes top and bottom cross-beams attached to bars and intermediate cross-beam with fulcrum ball, installed between them and enabling movement, nuts on bars, loading system including medium pressure source, sample loading piston in cylindrical hollow of the bottom cross-beam, sealed chamber under the piston, connected to the pressure source, piston limiting ring attached to the bottom cross-beam. Additionally, the setup features thrust bearings mounted on bars between the top cross-beam and nuts, and the sealed chamber is made in the form of metal bellow.

EFFECT: improved operational reliability of the setup in different sample loading schemes, reduced error of tests and service cost of the test setup.

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