Research Article
Study on the Effect of Precrack on Specimen Failure Characteristics under Static and Dynamic Loads by Brazilian Split Test
Table 1
Testing design for precrack rock specimens.
| Precrack angle (°) | Gas pressure (MPa) | Number of specimens | Precrack angle (°) | Gas pressure (MPa) | Number of specimens |
| 0 | 0.35 | 3 | 45 | 0.45 | 3 | 0 | 0.4 | 3 | 60 | 0.35 | 3 | 0 | 0.45 | 3 | 60 | 0.4 | 3 | 30 | 0.35 | 3 | 60 | 0.45 | 3 | 30 | 0.4 | 3 | 90 | 0.35 | 3 | 30 | 0.45 | 3 | 90 | 0.4 | 3 | 45 | 0.35 | 3 | 90 | 0.45 | 3 | 45 | 0.4 | 3 | | | |
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