Research Article
Monitoring and Prediction Analysis of Settlement for the Substation on Soft Clay Foundation
Table 3
HSS model input parameters.
| Parameters | Description | Soil layer number | ① | ② | ③ | ④ | ⑤ | Reinforced soil |
| | Effective cohesion | 15 | 13 | 19 | 5 | 5 | 46 | | Effective friction angle | 11.8 | 19.4 | 13.1 | 32 | 24 | 41 | (degree) | Dilatancy angle | 0 | 0 | 0 | 2 | 0 | 9 | (kPa) | Reference stress for stiffness | 100 | 100 | 100 | 100 | 100 | 100 | | Power for the stress-level dependency of stiffness | 0.8 | 0.5 | 0.8 | 0.5 | 0.5 | 0.8 | | Poisson ratio | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | (MPa) | Reference shear modulus at very small strain | 79.5 | 191.7 | 91.8 | 224 | 199.8 | 540 | (MPa) | Reference tangent stiffness for primary oedometer loading | 9.3 | 21.3 | 10.2 | 36 | 22.2 | 63.5 | (MPa) | Reference secant stiffness in standard drained triaxial test | 9.3 | 21.3 | 10.2 | 36 | 22.2 | 63.5 | (MPa) | Reference unloading/reloading stiffness at engineering strains | 26.1 | 63.9 | 30.6 | 78 | 66.6 | 180 | | value for normal consolidation | 0.79 | 0.67 | 0.77 | 0.47 | 0.59 | 0.34 | | Failure ratio | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | | Shear strain at which | 2.4 | 2.5 | 2.3 | 2.7 | 2.9 | 3.2 |
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