Investigation of Multiple Hole Grouting for Reducing Water Inrush Risk in Underground Engineering

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Aquifer</td><td class="align_center">Water exit points</td><td class="align_center">Total volume of injected grout (t)</td><td class="align_center">Volume of injected grout into one borehole (t)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">L<sub>8</sub></td><td class="align_center">26</td><td class="align_center">2708.0</td><td class="align_center">117.7</td></tr><tr><td class="align_left">L<sub>10</sub></td><td class="align_center">35</td><td class="align_center">3490.0</td><td class="align_center">105.8</td></tr><tr><td class="align_left">L<sub>11</sub></td><td class="align_center">5</td><td class="align_center">331.0</td><td class="align_center">66.2</td></tr><tr><td class="align_left">Total</td><td class="align_center">66</td><td class="align_center">6529</td><td class="align_center">289.7</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

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Table 9

Table 9: Investigation of Multiple Hole Grouting for Reducing Water Inrush Risk in Underground Engineering 