Research Article
Experimental Study of Size Effects on the Deformation Strength and Failure Characteristics of Hard Rocks under True Triaxial Compression
Table 3
Controlling rates of each loading stage during the TTC test.
| Rock size (mm3) | Loading rate of σ3 (MPa/s) | Loading rate of σ2 (kN/s) | Loading rate of σ1 (kN/s) | Deformation rate (mm/min) |
| 50 × 50 × 100 (SL) | 0.5 | 2500 | 1250 | 0.008 | 35 × 35 × 70 (SM) | 0.5 | 1225 | 612.5 | 0.0056 | 25 × 25 × 50 (SS) | 0.5 | 625 | 312.5 | 0.004 |
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