AS/NZS 3008.1.2:2017
Table 29
Rating factors for thermal resistivity of the soil
The cable size and correction factors tools read the factor for the thermal resistivity of the soil. It applies only to buried cables.
已核验:对照印刷版标准阅读,页码 90。检查于 24 Sept 2026。
单位:Resistivity K·m/W
这些是 AmpSize 所编码的数值。不转载标准原文。请依据现行标准核对。
8 行
| Resistivity (K·m/W) | Multicore buried direct | Single core buried direct | Multicore in enclosure | Two single core in enclosure | Three single core in enclosure | Factor |
|---|---|---|---|---|---|---|
| 0.8 | 1.09 | 1.16 | 1.03 | 1.06 | 1.08 | 1.09 |
| 0.9 | 1.07 | 1.11 | 1.02 | 1.04 | 1.06 | 1.07 |
| 1 | 1.04 | 1.07 | 1.02 | 1.03 | 1.04 | 1.04 |
| 1.2 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1.5 | 0.92 | 0.9 | 0.95 | 0.94 | 0.92 | 0.92 |
| 2 | 0.81 | 0.8 | 0.88 | 0.86 | 0.83 | 0.81 |
| 2.5 | 0.74 | 0.72 | 0.83 | 0.8 | 0.77 | 0.74 |
| 3 | 0.69 | 0.66 | 0.78 | 0.75 | 0.71 | 0.69 |