Study on Influence of Joint Distribution on Surrounding Rock Failure of an Underground Tunnel

<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">Parameter</td><td class="align_center">Value</td><td class="align_center">Parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">sj_kn (GPa)</td><td class="align_center">1</td><td class="align_center">sj_fric</td><td class="align_center">30</td></tr><tr><td class="align_left">sj_ks (GPa)</td><td class="align_center">0.5</td><td class="align_center">sj_coh</td><td class="align_center">0</td></tr><tr><td class="align_left">sj_large</td><td class="align_center">1</td><td class="align_center">sj_ten</td><td class="align_center">0</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mechanical parameters of the joint.</div>

Geofluids

tab2

Table 2

Table 2: Study on Influence of Joint Distribution on Surrounding Rock Failure of an Underground Tunnel 