Research Article
Experimental Study on Stress Uniformity and Deformation Behavior of Coals with Different Length-to-Diameter Ratios under Dynamic Compression
Table 2
Proportion of the elastic stage to the prepeak curve.
| | No. | Proportion of elastic stage to prepeak curve (%) | Average (%) |
| | D-0.3-1 | 69.5 | 61.5 | | D-0.3-2 | 52.9 | | D-0.3-3 | 62.1 |
| | D-0.4-1 | 45.8 | 44.7 | | D-0.4-2 | 40.5 | | D-0.4-3 | 47.7 |
| | D-0.5-1 | 43.9 | 32.7 | | D-0.5-2 | 16.4 | | D-0.5-3 | 37.8 |
| | D-0.6-1 | 39.5 | 38.7 | | D-0.6-2 | 41.2 | | D-0.6-3 | 35.4 |
| | D-0.7-1 | 31.6 | 29.7 | | D-0.7-2 | 30.3 | | D-0.7-3 | 27.4 |
| | D-0.8-1 | 19.9 | 20.3 | | D-0.8-2 | 16.1 | | D-0.8-3 | 24.8 |
| | D-0.9-1 | 8.0 | 17.1 | | D-0.9-2 | 23.9 | | D-0.9-3 | 19.6 |
| | D-1-1 | 14.3 | 21.2 | | D-1-2 | 29.0 | | D-1-3 | 20.4 |
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