Numerical Simulation of Cracking Behavior of Precracked Rock under Mechanical-Hydraulic Loading

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Loading stages</td><td class="align_center" colspan="3">SP2</td><td class="align_center" colspan="3">SP3</td><td class="align_center" colspan="3">SP4</td></tr><tr class="thead"><td class="align_center">NonHy</td><td class="align_center">SH1</td><td class="align_center">SH2</td><td class="align_center">NonHy</td><td class="align_center">SH1</td><td class="align_center">SH2</td><td class="align_center">NonHy</td><td class="align_center">SH1</td><td class="align_center">SH2</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left">Stage 2 (mm)</td><td class="align_center">−</td><td class="align_center">0.63</td><td class="align_center">−</td><td class="align_center">−</td><td class="align_center">0.63</td><td class="align_center">0.65</td><td class="align_center">−</td><td class="align_center">0.63</td><td class="align_center">0.64</td></tr><tr><td class="align_left">Stage 3 (mm)</td><td class="align_center">0.75</td><td class="align_center">0.75</td><td class="align_center">−</td><td class="align_center">0.77</td><td class="align_center">0.77</td><td class="align_center">0.77</td><td class="align_center">0.79</td><td class="align_center">0.79</td><td class="align_center">0.79</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Process of the mechanical-hydraulic loading.</div>

Geofluids

tab2

Table 2

Table 2: Numerical Simulation of Cracking Behavior of Precracked Rock under Mechanical-Hydraulic Loading 