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Table 1 VDI information about thermal conductivity of different type of soils
From: Thermal response test numerical modeling using a dynamic simulator
Sandstone | Saturated clay | Dry clay | Limestone | Marl | Saturated sand | Dry sand | Clay scists | |
|---|---|---|---|---|---|---|---|---|
Average | 2.3 | 1.7 | 0.5 | 2.8 | 2.1 | 2.4 | 0.4 | 2.1 |
Minimum | 1.3 | 0.9 | 0.4 | 2.5 | 1.5 | 1.7 | 0.3 | 1.5 |
Maximum | 5.1 | 2.3 | 1 | 4 | 3.5 | 5 | 0.8 | 2.1 |
Variance | 1.267 | 0.467 | 0.2 | 0.5 | 0.67 | 1.1 | 0.17 | 0.2 |