Research Article
Response Analysis of a Ballasted Rail Track Constructed on Soft Soil by 3D Modeling
Table 1
Material properties for the different layers of embankment and subsoil.
| Material model | Unit | Ballast | Subballast | Prepared subgrade | Embankment fill | Layer 1 | Layer 2 | Layer 3 | Layer 4 | HS small | HS small | HS small | HS small | HS small | HS small | HS small | HS small |
| Drainage type | | Drained | Drained | Drained | Drained | Drained | Drained | Drained | Drained | ɣ unsat | kN/m3 | 16 | 20 | 20 | 19.7 | 15 | 17 | 17 | 18 | ɣ sat | kN/m3 | 18 | 23 | 21.8 | 21.8 | 17 | 19 | 19 | 20 | e init | | 0.74 | 0.52 | 0.52 | 0.52 | 0.66 | 0.77 | 0.66 | 0.66 | c ′ref | kPa | 0 | 0 | 0 | 0 | 25 | 48 | 0 | 0 | φ′ | Deg | 50 | 55 | 60 | 38 | 30.7 | 28.9 | 38.7 | 40.7 | G 0ref | kN/m2 | 50000 | 130300 | 130300 | 90000 | 70000 | 33300 | 112500 | 112500 | | | 0.2 | 0.2 | 0.2 | 0.3 | 0.15 | 0.2 | 0.2 | 0.2 |
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