Table 1 The mechanical properties for the materials of slab track system
Elements | Modelling type | Mesh size (m) | γ (kN/m3) | E (MPa) | υ | Φ | C (kPa) |
|---|---|---|---|---|---|---|---|
Rail | Linear elastic | 0.10 | 78.5 | 210,000 | 0.30 | – | – |
CBL | 0.20 | 25.0 | 36,000 | 0.20 | – | – | |
Slab shoulders | 0.20 | 25.0 | 36,000 | 0.20 | – | – | |
CAM (grouting) | 0.30 | 23.0 | 22,500 | 0.25 | – | – | |
HBL | 0.30 | 24.0 | 17,870 | 0.20 | – | – | |
FPL | Nonlinear (Mohr–Coulomb) | 0.50 | 21.44 | 400 | 0.30 | 35 | 0.1 |
Replacement | 0.60 | 20.91 | 400 | 0.30 | 35 | 0.1 | |
Subgrade soil | 0.70 | 20.91 | 60 | 0.30 | 25 | 5 |