Shock and Vibration / 2018 / Article / Fig 1

Research Article

Scale Effect on the Anisotropy of Acoustic Emission in Coal

Figure 1

Specimens processed for the experiment. (a) Specimens with different diameters. (b) Schematic diagram of the anisotropic angle, β. (c) Schematic diagram of the specimens with different anisotropic angles in each specimen size.

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