Research Article
Assessment of Stiffness and Strength Parameters for the Soft Soil Model of Clays of Cameroon
Table 5
Variation of the Soft Soil model parameters of the world.
| Parameters | Soft silty clays of Ethiopia | Haney clay | Osaka clay | Flumet clay, France | Saint-Laurent clay, France | Cubzac clay, France | Bangkok clay | Central region clay | Southern region clay | Littoral region clay |
| γ (kN/m3) | 17.3 | — | 17 | 18.5 | 18 | 14.5 | 19 | | 17 | 17.6 | c (kPa) | — | 0 | 0 | 1 | 0 | 32 | 0 | 23.1 | 48.8 | 18.9 | φ (°) | — | 30 | 36 | 32 | 37 | 19 | 26 | 35.1 | 21.6 | 31 | Ψ (°) | — | 0 | 0 | 0 | 7 | 0 | 0 | 5.1 | 0 | 1 | k (m/s) | 3.15 × 10−9 | 1.16 × 10−10 | 1.16 × 10−9 | 10−7 | 10−8 | 5.00 × 10−8 | 3.78 × 10−9 | 2.61 × 10−7 | 3.32 × 10−6 | — | | 0.15 | 0.15 | 0.15 | 0.15 | 0.2 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | e0 | 1.1 | 0.896 | 1.303 | 0.93 | 1.23 | 2.3 | 0.98 | 0.975 | 0.972 | 1.18 | | 0.038 | 0.14 | 0.125 | 0.027 | 0.066 | 0.198 | 0.015 | 0.0551 | 0.0368 | 0.0508 | | 0.006 | 0.02 | 0.03 | 0.0039 | 0.011 | 0.029 | 0.005 | 0.0043 | 0.0026 | 0.0073 | M | — | — | — | 1.25 | — | 1.13 | 1.2 | 1.89 | 1.27 | 1.66 | Cc | 0.184 | — | — | — | — | 1.5 | — | 0.251 | 0.164 | 0.238 | | 0.029 | — | — | — | — | 0.1 | — | 0.0099 | 0.0057 | 0.017 |
|
|