Coal rock mechanical parameter detector and method for measuring mechanical parameters of coal rock
A technology of mechanical parameters and detectors, applied in the direction of analyzing solids using sound waves/ultrasonic waves/infrasonic waves, can solve the problem of inability to accurately reflect the mechanical properties of dynamic changing conditions of coal and rock, difficulty in showing the complexity of crack changes in coal and rock specimens, and inability to Accurately reflect the dynamic changes of cracks in coal and rock specimens, and achieve accurate detection results
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[0014] The coal and rock mechanics parameter detector of the present invention has specific implementations such as figure 1 As shown, it includes a single-axis press and an ultrasonic detector. The single-axis press includes a jack with a pressure reading gauge, an upper working platform, a lower working platform, a movable platform and a fixed screw. The ultrasonic detector includes an emitter. , Receiving pole and signal processing unit.
[0015] The method for determining the mechanical parameters of coal and rock by the above-mentioned coal and rock mechanical parameter detector of the present invention is specifically implemented as follows:
[0016] First, the coal and rock specimens are placed on the movable platform of the uniaxial press, and the emitter and receiver of the ultrasonic detector are fixed on both sides of the coal and rock specimens. The emitter of the ultrasonic detector sends out ultrasonic signals to pass the coal and rock test. The receiving pole of the...
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