Understanding the Distribution Laws of In Situ Stress in Mines Based on Global Positioning System Data and Numerical Simulation Analysis

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Number</td><td class="align_center">Lithology</td><td class="align_center">Elastic modulus of rock, GPa</td><td class="align_center">Poisson’s ratio of rock</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">Baseboard</td><td class="align_center">9.08</td><td class="align_center">0.3</td></tr><tr><td class="align_left">2</td><td class="align_center">Coal</td><td class="align_center">2.68</td><td class="align_center">0.26</td></tr><tr><td class="align_left">3</td><td class="align_center">Bedrock</td><td class="align_center">30.12</td><td class="align_center">0.3</td></tr><tr><td class="align_left">4</td><td class="align_center">Key layer</td><td class="align_center">39.52</td><td class="align_center">0.3</td></tr><tr><td class="align_left">5</td><td class="align_center">Loose bed</td><td class="align_center">0.1</td><td class="align_center">0.2</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Geofluids

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Table 2

Table 2: Understanding the Distribution Laws of In Situ Stress in Mines Based on Global Positioning System Data and Numerical Simulation Analysis 