FIELD: test equipment.
SUBSTANCE: invention relates to test equipment, to devices for testing rock specimens in simulating energy exchange in rock mass, in order to forecast and prevent dangerous dynamic phenomena. Test bench comprises support frame, arranged in it counter-specimen support, hydraulic mechanism for mutual pressing specimens, connected with counter-specimen support, carriage, hydraulic mechanism for mutual movement of specimens, connected with carriage, and specimen support installed on carriage. Test bench is additionally equipped with mechanism of impact load mounted on carriage to interact with specimen support and carriage; mechanism of impact loading is made in form of rod striker, electromagnetic armature in ring form fixed on carriage, and two electromagnetic coils for independent interaction with armature, striker is movably placed in hole of armature, and coils are fixed on striker at opposite sides relative to armature.
EFFECT: technical result is extension of functional capabilities of test bench, increased volume of data obtained of energy exchange on specimens of rocks due to analysis of energy exchange at controlled excitation of differently directed impact waves in specimen during formation of movements.
1 cl, 1 dwg
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