Comparison of PWPs from field (∼15–20° slope) and numerical studies (45° slope)
| Field study | Numerical study | |||||
|---|---|---|---|---|---|---|
| Suction value | Bare land slope (0.5 ft depth) | Vegetated slope (0.5 ft depth) | At crest (9 m, 30 m) | At mid slope (20.55 m, 18.61 m) | ||
| Case (a) | Case (c) | Case (a) | Case (c) | |||
| Maximum suction: kPa | −77.3 | — | −311.6 | — | −191.2 | — |
| Minimum suction: kPa | −8.8 | — | 0.96 | — | 0.63 | — |
| Maximum suction: kPa | — | −465 | — | −301.5 | — | −188.6 |
| Minimum suction: kPa | — | −9.69 | — | 0.86 | — | 0.57 |
| Field study | Numerical study | |||||
|---|---|---|---|---|---|---|
| Suction value | Bare land slope (0.5 ft depth) | Vegetated slope (0.5 ft depth) | At crest (9 m, 30 m) | At mid slope (20.55 m, 18.61 m) | ||
| Case (a) | Case (c) | Case (a) | Case (c) | |||
| Maximum suction: kPa | −77.3 | — | −311.6 | — | −191.2 | — |
| Minimum suction: kPa | −8.8 | — | 0.96 | — | 0.63 | — |
| Maximum suction: kPa | — | −465 | — | −301.5 | — | −188.6 |
| Minimum suction: kPa | — | −9.69 | — | 0.86 | — | 0.57 |
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