From: Probability assessment of slope instability in seasonally cold regions under climate change
Soil properties | Embankment filling | Talus materials |
---|---|---|
Dry density of soil (ρd) | 1400 kg/m3 | 1200 kg/m3 |
Porosity (n) | 0.47 | 0.53 |
Unfrozen thermal conductivity (λu) | 127.04 kJ/(Day∙m∙°C) | 103.7 kJ/(Day∙m∙°C) |
Frozen thermal conductivity (λf) | 132.24 kJ/(Day∙m∙°C) | 135.7 kJ/(Day∙m∙°C) |
Volumetric water content of soil at 0 °C (θwf) | 0.15 m3/m3 | 0.10 m3/m3 |
Hydraulic conductivity of saturated soil (ks) | 5.62 × 10−7 m/s | 1 × 10−4 m/s |
Unfrozen volumetric heat capacity (ζu) | 2237 kJ/(m3∙°C) | 2398 kJ/(m3∙°C) |
Frozen volumetric heat capacity (ζf) | 1624 kJ/(m3∙°C) | 1392 kJ/(m3∙°C) |
Effective cohesion (c’) | 9.75 kPa | 52 kPa |
Effective angle of internal friction (ϕ’) | 35° | 11.36° |