Research Article
A GIS-Enabled Approach for Assessing Damage Potential of Levee Systems Based on Underlying Geology and River Morphology
Table 8
Relationship between
, density, and friction angle of sands.
| | Density | Friction angle, ϕ° | Kulhawy and Mayne [18] | Peck et al. [19] | Schmertmann [20] | Hatanaka and Uchida [21] |
| <5 | Very loose | <31 | <29 | <28 | <30 | 5–15 | Loose | 30–36 | 29–31 | 28–38 | 30–37 | 15–30 | Medium | 35–41 | 31–35 | 38–44 | 37–44 | 30–50 | Dense | 40–46 | 35–41 | 44–49 | 44–52 | >50 | Very dense | >42 | >41 | >49 | >50 |
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