Research Article
Experimental Study on the Influence of Specimen Shape on Rockburst Proneness of Red Sandstone
Table 5
Calculations of the energy density.
| Specimen shape | Specimen ID | At peak point | FED (mJ·mm−3) | IED (mJ·mm−3) | EED (mJ·mm−3) | DED (mJ·mm−3) |
| Cylinder | RS-CL-1 | 0.2932 | 0.2221 | 0.0711 | 0.0755 | RS-CL-2 | 0.2556 | 0.1936 | 0.0620 | 0.0942 | RS-CL-3 | 0.2605 | 0.1973 | 0.0632 | 0.0795 | RS-CL-4 | 0.2829 | 0.2143 | 0.0686 | 0.0697 | RS-CL-5 | 0.2506 | 0.1898 | 0.0608 | 0.0615 | RS-CL-6 | 0.2904 | 0.2200 | 0.0704 | 0.0536 |
| Cuboid | RS-CB-1 | 0.3562 | 0.2661 | 0.0901 | 0.0696 | RS-CB-2 | 0.3680 | 0.2749 | 0.0931 | 0.0753 | RS-CB-3 | 0.3913 | 0.2923 | 0.0990 | 0.0657 | RS-CB-4 | 0.3139 | 0.2344 | 0.0795 | 0.0379 | RS-CB-5 | 0.3331 | 0.2488 | 0.0843 | 0.0969 | RS-CB-6 | 0.3707 | 0.2769 | 0.0938 | 0.0817 | RS-CB-7 | 0.3951 | 0.2952 | 0.0999 | 0.0549 |
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