Soil parameter values used in the calculation
| Soil parameter and unit | Loose sand | Dense sand |
|---|---|---|
| Unit weight, γ: kN/m3 | 15 | 17 |
| Residual soil angle of friction, ϕ′res: ° | 36 | 45 |
| Coefficient of earth pressure at rest, K0 | 0.41 | 0.29 |
| Residual soil–pipe angle of friction, δ′res: ° | 23 | 30 |
| Coefficient of friction, μ | 0.42 | 0.58 |
| Relative density, RD: % | 42 | 85 |
| Unit weight, | 15 | 17 |
| Residual soil angle of friction, | 36 | 45 |
| Coefficient of earth pressure at rest, | 0.41 | 0.29 |
| Residual soil–pipe angle of friction, | 23 | 30 |
| Coefficient of friction, | 0.42 | 0.58 |
| Relative density, RD: % | 42 | 85 |
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