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 | 38 | 1428 | 42.0 | L10 | 10 | 448 | 44.8 | L11 | 2 | 106 | 53 | Total | 50 | 1981.8 | 139.8 |
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