Research Article
Investigation of Multiple Hole Grouting for Reducing Water Inrush Risk in Underground Engineering
| Aquifer | Water exit points | Total volume of injected grout (t) | Volume of injected grout into one borehole (t) |
| L8 | 6 | 435.0 | 72.5 | L10 | 14 | 526.0 | 43.8 | L11 | 2 | 58.0 | 29 | Total | 22 | 1019 | 145.3 |
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