Research Article
Design Method and Verification of Electroosmosis-Vacuum Preloading Method for Sand-Interlayered Soft Foundation
Table 1
Statistics of physical and mechanical characteristics of soil.
| | Soil layer | Thickness (h) | Natural density (γ) | Moisture content (W) | Void ratio (e) | Compression modulus (Es) | Cohesion (C) | Internal friction angle (Φ) | Horizontal permeability coefficient (kh) | Vertical permeability coefficient (kv) | | m | kN/m3 | % | | MPa | kPa | o | 10−9 m/s | 10−9 m/s |
| | ① Dredged fill | 2.0 | 17.8 | 48.8 | 1.32 | 2.42 | 12.9 | 10.3 | 6.6 | 3.8 | | ②-1 Mucky silty clay | 1.5 | 18.0 | 42.1 | 1.42 | 2.83 | 13.3 | 11.6 | 8.6 | 5.4 | | ③ Sand interlayer | 1.5 | 19.5 | 39.4 | 1.25 | 3.25 | 7.5 | 24.1 | 84.7 | 71.5 | | ②-2 Mucky silty clay | 4.0 | 18.2 | 44.8 | 1.43 | 2.86 | 14.5 | 11.1 | 8.2 | 4.6 | | ④ Silty clay with sand | 20.0 | 18.9 | 43.4 | 1.34 | 2.94 | 9.5 | 12.7 | 9.8 | 4.5 |
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