Study on the Safety Thickness of Rock Strata for Outburst Prevention in Deep Tunnel Based on Numerical Modeling and Backpropagation Neural Network

<table class="table-group" id="tab12"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Serial number</td><td class="align_center">A</td><td class="align_center">B</td><td class="align_center">C</td><td class="align_center">D</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">0.9</td><td class="align_center">1.12</td><td class="align_center">12</td><td class="align_center">620</td></tr><tr><td class="align_left">2</td><td class="align_center">0.99</td><td class="align_center">1.1</td><td class="align_center">16</td><td class="align_center">618</td></tr><tr><td class="align_left">3</td><td class="align_center">1.1</td><td class="align_center">1.15</td><td class="align_center">15</td><td class="align_center">610</td></tr><tr><td class="align_left">4</td><td class="align_center">1.15</td><td class="align_center">1.13</td><td class="align_center">18</td><td class="align_center">615</td></tr><tr><td class="align_left">5</td><td class="align_center">1.05</td><td class="align_center">1.18</td><td class="align_center">15</td><td class="align_center">620</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Geofluids

tab12

Table 12

Table 12: Study on the Safety Thickness of Rock Strata for Outburst Prevention in Deep Tunnel Based on Numerical Modeling and Backpropagation Neural Network 

Table 12 | Study on the Safety Thickness of Rock Strata for Outburst Prevention in Deep Tunnel Based on Numerical Modeling and Backpropagation Neural Network 