Research Article
Experimental and Numerical Investigations on Feasibility and Validity of Prismatic Rock Specimen in SHPB
Table 3
Analysis of the peak stress of the selected elements in the cylindrical and prismatic specimens by numerical results.
| | | Point | Stress (MPa) |
| | Cylindrical specimen | | | | Center | C1 | 214.6 | | C2 | 218.6 | | C3 | 216.1 |
| | Round edge | C4 | 198.4 | | C5 | 208.7 | | C6 | 199.9 |
| | Average | | 209.4 | | Std. Dev. | | 8.58 | | CV | | 4.10% |
| | Prismatic specimen | | | | Center | R1 | 212.9 | | R2 | 199.4 | | R3 | 209.8 |
| | Side center | R4 | 192.6 | | R5 | 198.6 | | R6 | 190.2 |
| | Edge | R7 | 215.5 | | R8 | 200.4 | | R9 | 213.4 |
| | Average | | 203.6 | | Std. Dev. | | 9.5 | | CV | | 4.67% |
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