Research Article
Temperature Field Variation Law of Low Exothermic Polymer Grouting Material in Repairing Void Damage of Frozen Soil Subgrade
Table 2
Thermal material properties of the foundation.
| | Parameters | Gravelly soil fill | Gravelly soil | Gravel and clay silt | Silty clay |
| | Density ρ (kg/m3) | 2000 | 2100 | 2340 | 2080 | | Specific heat capacity of frozen soil Cf (J/(kg·°C)) | 852 | 895 | 983 | 1200 | | Specific heat capacity of melted soil Cu (J/(kg·°C)) | 1020 | 996 | 1220 | 1370 | | Thermal conductivity of frozen soil λf (W/(m·°C)) | 1.985 | 2.26 | 1.32 | 1.85 | | Thermal conductivity of melted soil λu (W/(m·°C)) | 1.916 | 1.98 | 0.95 | 1.36 |
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