Material properties used for the Class C1 and B1 (in brackets) numerical predictions
| Soil layers | |||||||
|---|---|---|---|---|---|---|---|
| Young's modulus, E: MPa | Poisson ratio, ν | Porosity, n | Density of solid particles, ρs: kg/m3 | Specific heat of solid particles, cp,s: J/(kg °C) | Thermal conductivity of solid particles, λs: W/(m °C) | Linear thermal expansion coefficient, α: 1/°C | |
| A | 190 | 0·22 | 0·1 | 2769 | 880 | 1·49 (3·38) | 3·3 × 10−6 |
| B | 84 | 0·4 | 0·35 | 2735 | 890 | 3·68 (4·45) | 3·3 × 10−6 (3·3 × 10−5) |
| C | 90 | 0·4 | 0·3 | 2740 | 890 | 3·46 (4·17) | 3·3 × 10−6 (3·3 × 10−5) |
| D | 3000 | 0·3 | 0·1 | 2167 | 923 | 3·82 (3·38) | 2·3 × 10−5 (3·3 × 10−7) |
| Reinforced concrete piles and slab | |||||||
| Piles | 28 000 | 0·25 | 0·1 | 2722 | 837 | 1·628 | 1 × 10−5 |
| Slab | 35 000 | 0·25 | 0·1 | 2722 | 837 | 1·628 | 1 × 10−5 |
| High-density polyethylene pipes | |||||||
| Thermal conductivity of the pipe, λp: W/(m °C) | |||||||
| Pipes | — | — | — | — | — | 0·42 | — |
| Soil layers | |||||||
|---|---|---|---|---|---|---|---|
| Young's modulus, | Poisson ratio, | Porosity, | Density of solid particles, | Specific heat of solid particles, | Thermal conductivity of solid particles, | Linear thermal expansion coefficient, | |
| A | 190 | 0·22 | 0·1 | 2769 | 880 | 1·49 (3·38) | 3·3 × 10−6 |
| B | 84 | 0·4 | 0·35 | 2735 | 890 | 3·68 (4·45) | 3·3 × 10−6 (3·3 × 10−5) |
| C | 90 | 0·4 | 0·3 | 2740 | 890 | 3·46 (4·17) | 3·3 × 10−6 (3·3 × 10−5) |
| D | 3000 | 0·3 | 0·1 | 2167 | 923 | 3·82 (3·38) | 2·3 × 10−5 (3·3 × 10−7) |
| Reinforced concrete piles and slab | |||||||
| Piles | 28 000 | 0·25 | 0·1 | 2722 | 837 | 1·628 | 1 × 10−5 |
| Slab | 35 000 | 0·25 | 0·1 | 2722 | 837 | 1·628 | 1 × 10−5 |
| High-density polyethylene pipes | |||||||
| Thermal conductivity of the pipe, | |||||||
| Pipes | — | — | — | — | — | 0·42 | — |
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