Research Article
A Simplified Procedure for Base Sliding Evaluation of Concrete Gravity Dams under Seismic Action
Table 4
Mechanical parameters of the equivalent SDOF system for the four dams and the three foundation rock types considered.
| Dam tag | Rock type | (ton) | (kN/m) | (s) | % | (kN/m) | (kN) | |
| 1 | Granite | 356.67 | 8.29 105 | 0.13 | 7 | 203 105 | 3124.6 | 3.54 | Limestone-dolomite | 320.29 | 6.71 105 | 0.14 | 8 | 150 105 | 4378.5 | 3.17 | Sandstone | 266.47 | 4.7 105 | 0.15 | 11 | 82.5 105 | 5394.1 | 2.64 |
| 2 | Granite | 1237.4 | 9.38 105 | 0.23 | 7 | 203 105 | 10200 | 3.17 | Limestone-dolomite | 1111.2 | 7.6 105 | 0.25 | 8 | 150 105 | 13254 | 2.84 | Sandstone | 924.45 | 5.33 105 | 0.27 | 11 | 82.5 105 | 15238 | 2.37 |
| 3 | Granite | 1748.5 | 8.18 105 | 0.3 | 7 | 203 105 | 13177 | 3.69 | Limestone-dolomite | 1570.1 | 6.62 105 | 0.31 | 8 | 150 105 | 17173 | 3.32 | Sandstone | 1306.3 | 4.64 105 | 0.34 | 11 | 82.5 105 | 19276 | 2.76 |
| 4 | Granite | 2262 | 8.71 105 | 0.33 | 7 | 203 105 | 16613 | 3.43 | Limestone-dolomite | 2031.2 | 7.05 105 | 0.35 | 8 | 150 105 | 21023 | 3.08 | Sandstone | 1689.9 | 4.94 105 | 0.38 | 11 | 82.5 105 | 23297 | 2.57 |
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