Table 3 Summary of experiments carried out for dams composed of homogeneous materials
From: Hydromechanical constraints on piping failure of landslide dams: an experimental investigation
Run series | Material | Composition (%) | T e (s) | T b (s) | Characteristic features |
|---|---|---|---|---|---|
1A | Dam mix E | SS-4 (100) | 80 | 240 | Seepage; |
Downstream slope saturation; | |||||
Toe bulging followed by slope unraveling | |||||
2A | Dam mix F | SS-5 (100) | 85 | 195 | Seepage; |
Downstream slope saturation; | |||||
Toe bulging; | |||||
Progressive sloughing | |||||
3A | Dam mix G | SS-6 (100) | 75 | 230 | Poorly developed piping hole; |
Downstream slope unravelling | |||||
4A | Dam mix H | SS-8 (100) | 60 | 260 | Formed well-defined piping role; |
Supported the pipe roof |