Research Article
Overtopping Risk Analysis of Earth Dams considering Effects of Failure Duration of Release Structures
Table 5
Probability distribution parameters for failure duration of release structures.
| Release structure | Scenarios causing failure of release structures | Failure duration (d) | | | |
| Spillway | Seismic landslide of spillway slope | 2 | 3.5 | 5 | Gate failure | 1 | 1.5 | 2 |
| Flood discharging tunnel | Seismic landslide of inlet slope | 3 | 5 | 7 | Seismic landslide of outlet slope | 2 | 3.5 | 5 | Gate failure | 1 | 1.5 | 2 |
| Power station diversion tunnel | Seismic landslide of inlet slope | 3 | 5 | 7 | Seismic landslide of outlet slope | 2 | 3.5 | 5 |
| Emptying tunnel | Seismic landslide of inlet slope | 7 | 11 | 15 | Seismic landslide of outlet slope | 2 | 3.5 | 5 | Gate failure | 3 | 5 | 7 |
|
|