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Working conditions of different HSRB thicknesses.
| Working condition | Buried depth of HSRB roof (m) | Thickness of HSRB (m) | Hydraulic conductivity of HSRB (cm/s) | Pumping rates (m3/d) |
|---|---|---|---|---|
| 8 | 82 | 4 | 5 × 10–3 | 2500 |
| 10 | 82 | 3 | 5 × 10–3 | 2500 |
| 11 | 82 | 5 | 5 × 10–3 | 2500 |
| 12 | 82 | 6 | 5 × 10–3 | 2500 |
