Research Article
Accumulative Plastic Deformation of the Improved Completely Weathered Granite Subgrade in High-Speed Railway
Table 3
Material parameters of each structural layer.
| | Structural layer | Material | Elastic modulus (MPa) | Poisson ratio v | Density (ρ/(g/cm3)) | Cohesion (kPa) | Internal frictional angle (°) |
| | Loading plate | Reinforce concrete | 24000 | 0.2 | 2.70 | — | — | | The top layer | Graded crushed stone | 158 | 0.24 | 2.00 | 22 | 32 | | The bottom layer | CWG +6% cement | 116 | 0.3 | 1.90 | 21.8 | 22 | | Embankment body | CWG +5% cement | 98 | 0.3 | 1.95 | 21.5 | 22 | | Foundation | CFG pile net | 54 | 0.36 | 1.90 | 29 | 24 |
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