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 | 80 | 2921.9 | 48.7 | L10 | 50 | 3235.0 | 95.1 | L11 | 9 | 766.0 | 95.8 | Total | 139 | 6922.9 | 239.6 |
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