Research Article
Application of Probabilistic Method to Stability Analysis of Gravity Dam Foundation over Multiple Sliding Planes
Table 1
Geologic parameters of bed base rock in the dam site.
| Class of rock mass | Dry density ρ/g/cm3 | Saturated compressive strength /MPa | Bedrock/bedrock | Concrete/bedrock | Deformation module /GPa | Poisson’s ratio | Strength against shear fracture | Strength against shear fracture | | /MPa | | /MPa |
| II | 2.65–2.70 | 80–100 | 15~21 | 0.20–0.25 | 1.20~1.35 | 1.50~1.60 | 1.10~1.20 | 1.10~1.15 | III1 | 2.60–2.65 | 60–80 | 8~12 | 0.25–0.30 | 1.10~1.20 | 1.00~1.30 | 1.00~1.07 | 0.90~1.00 |
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