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Physical-mechanical parameters of the rock masses and dam materials.
| Materials | Bulk density (t/m3) | Deformation modulus (GPa) | Poisson's ratio | Shear strength | |
|---|---|---|---|---|---|
| C′ (MPa) | F′ | ||||
| Dam concrete | 2.40 | 24 | 0.167 | 5.0 | 1.70 |
| Concrete of bottom outlets | 2.40 | 32 | 0.167 | 5.0 | 1.70 |
| Rock of class II | 2.85 | 16.5 | 0.20 | 2.5 | 1.35 |
| Rock of class III1 | 2.85 | 11.5 | 0.25 | 2.20 | 1.22 |
| Rock of class III2 | 2.75 | 5.5 | 0.28 | 1.4 | 1.2 |
