Table 2 Rock Sample Peak Stress/Modulus of Elasticity Record Sheet.
α/° | v/mm·min−1 | Peak strength qc/MPa | Elastic modulus E/GPa | α/° | v/mm·min−1 | Peak strength qc/MPa | Elastic modulus E/GPa |
|---|---|---|---|---|---|---|---|
– | 0.5 | 15.20 | 1.18 | 45 | 0.5 | 9.12 | 1.07 |
1.0 | 17.50 | 1.90 | 1.0 | 10.33 | 1.35 | ||
3.0 | 20.46 | 2.17 | 3.0 | 12.71 | 1.69 | ||
5.0 | 24.80 | 2.96 | 5.0 | 14.77 | 2.32 |