Research Article
Influence of Discontinuities on Rock Failure under Blasting at Shuangjiangkou Hydropower Station
Table 3
Basic physical and mechanical characteristics of surrounding rock.
| | ā | Density (g/cm3) | Poisson's ratio | Bulk modulus (GPa) | UCS (MPa) |
| | Main powerhouse | 2.8 | 0.22 | 24.8 | 163 | | Main transformer room | 2.8 | 0.24 | 25.9 | 131 |
| | ā | Shear strength | Shear modulus (GPa) | Elastic modulus (GPa) | | f | c (MPa) |
| | Main powerhouse | 1.60 | 1.30 | 17.1 | 41.7 | | Main transformer room | 1.52 | 1.25 | 16.3 | 36.0 |
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