Research Article
Effect of Clay on Internal Erosion of Clay-Sand-Gravel Mixture
Table 6
Critical hydraulic gradient and critical flow velocity for the CS group.
| ā | CS-0 | CS-1 | CS-2 | CS-3 | CS-4 | CS-5 |
| Blockage critical hydraulic gradient | 0.42 | 0.37 | 0.36 | 0.267 | 0.233 | 0.161 | Blockage critical velocity (cm/s) | 0.0202 | 0.0229 | 0.0251 | 0.0267 | 0.0271 | 0.0311 | Failure critical hydraulic gradient | 0.64 | 0.913 | 0.56 | 0.47 | 0.54 | 0.386 | Failure critical velocity (cm/s) | 0.0194 | 0.0248 | 0.0243 | 0.0308 | 0.034 | 0.0413 |
|
|