Study on In Situ Stress Measurement and Surrounding Rock Control Technology in Deep Mine

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Survey point number</td><td class="align_center">Modulus of elasticity (GPa)</td><td class="align_center">Poisson’s ratio</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Point no. 1</td><td class="align_center">18.4</td><td class="align_center">0.19</td></tr><tr><td class="align_left">Point no. 2</td><td class="align_center">19</td><td class="align_center">0.21</td></tr><tr><td class="align_left">Point no. 3</td><td class="align_center">19</td><td class="align_center">0.21</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Rock mechanical parameters of core at each measuring point.</div>

Geofluids

tab2

Table 2

Table 2: Study on In Situ Stress Measurement and Surrounding Rock Control Technology in Deep Mine 