Research Article
A New Mitigation Measure to Counter Thermal Instability of Air-Cooled Embankment in Sandy Permafrost Zones of Tibet Plateau
Table 3
Thermal parameters of different media [
24,
26,
30].
| Thermal parameters | Cfs (J·m−3·°C−1) | λfs (W·m−1·°C−1) | Cus (J·m−3·°C−1) | λus (J·m−3·°C−1) | l (J·m−3) |
| Embankment fill | 1.913 × 106 | 1.980 | 2.232 × 106 | 1.919 | 2.01 × 107 | Sand | 1.465 × 106 | 0.258 | 1.465 × 106 | 0.258 | 0 | Gravel soil | 1.863 × 106 | 2.610 | 2.401 × 106 | 1.910 | 2.32 × 107 | Weathered stone | 2.122 × 106 | 1.824 | 2.413 × 106 | 1.474 | 3.81 × 107 | Ballast | 1.006 × 106 | 0.346 | 1.006 × 106 | 0.346 | 0 |
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