ResearchArticle
Energy Dissipation-Based Method for Strength Determination of Rock under Uniaxial Compression
Table 2
Strength and dissipation energy coefficients at three different characteristic points.
| Rock types | Compaction point | Yield point | Peak point | (MPa) | | (MPa) | | (MPa) | |
| Mudstone | 1.06 | 1.40 | 31.77 | 0.41 | 32.53 | 0.54 | Physicochemical slate | 1.03 | 1.31 | 31.01 | 0.39 | 32.48 | 0.55 | Schist | 1.15 | 1.76 | 34.59 | 0.31 | 41.11 | 0.53 | Limestone | 1.09 | 1.43 | 32.74 | 0.32 | 37.15 | 0.54 | Gneiss | 1.51 | 1.93 | 35.22 | 0.35 | 38.52 | 0.53 | Sandstone | 1.65 | 2.03 | 49.60 | 0.32 | 55.64 | 0.51 | Porphyrite | 1.85 | 2.23 | 55.59 | 0.29 | 65.77 | 0.48 | Dolomites | 2.89 | 2.77 | 86.70 | 0.25 | 91.57 | 0.35 | Shale | 2.81 | 2.65 | 84.44 | 0.28 | 90.03 | 0.39 | Metamorphic sandstone | 3.06 | 2.88 | 91.66 | 0.22 | 99.66 | 0.33 | Marble | 3.35 | 3.14 | 100.40 | 0.21 | 105.95 | 0.29 | Quartz schist | 4.09 | 3.58 | 122.84 | 0.17 | 127.03 | 0.22 | Quartzite | 5.23 | 4.05 | 156.79 | 0.12 | 164.36 | 0.16 | Diorite | 6.44 | 4.54 | 193.18 | 0.07 | 207.44 | 0.1 | Granite | 7.66 | 4.98 | 229.70 | 0.03 | 261.58 | 0.05 |
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