Experimental Investigations on Electrical Charge of Precracked Rock Specimens under Uniaxial Compression

<div>A schematic of the analytic model for calculating the crack growth and crack stress state. (a) A precrack rock sample under uniaxial compression; (b) Stress state of the precrack.</div>

Shock and Vibration

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Figure 6

Figure 6: Experimental Investigations on Electrical Charge of Precracked Rock Specimens under Uniaxial Compression 