Experimental and Numerical Analysis of Rock Burst Tendency and Crack Development Characteristics of Tianhu Granite

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Sample number</td><td class="align_center">Density (g/cm<sup>3</sup>)</td><td class="align_center">Longitudinal wave velocity (m/s)</td><td class="align_center">Shear wave velocity (m/s)</td><td class="align_center">Characteristics</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">C-1#</td><td class="align_center">2.63</td><td class="align_center">4017</td><td class="align_center">2910</td><td class="align_center" rowspan="3">Gray, compact, complete without cracks</td></tr><tr><td class="align_left">C-2#</td><td class="align_center">2.64</td><td class="align_center">3997</td><td class="align_center">2831</td></tr><tr><td class="align_left">C-3#</td><td class="align_center">2.65</td><td class="align_center">3968</td><td class="align_center">3353</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic physical parameters and characteristics of granite samples.</div>

Geofluids

tab2

Table 2

Table 2: Experimental and Numerical Analysis of Rock Burst Tendency and Crack Development Characteristics of Tianhu Granite 