Analytical and Numerical Study of the Ground Pressure of the Work Face Crossing the Fault

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Fault direction</td><td class="align_center" colspan="2">Forward direction fault</td><td class="align_center" colspan="2">Reverse direction fault</td></tr><tr class="thead"><td class="align_left">Situation</td><td class="align_center">Initial facture</td><td class="align_center">Periodical facture</td><td class="align_center">Initial facture</td><td class="align_center">Periodical facture</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Immediate roof displacement</td><td class="align_center">+6.7%</td><td class="align_center">+11.2%</td><td class="align_center">+2%</td><td class="align_center">−19.54%</td></tr><tr><td class="align_left" colspan="5"><hr/></td></tr><tr><td class="align_left">Maximum contact stress increase of fault plane (MPa)</td><td class="align_center">−0.192</td><td class="align_center">−0.386</td><td class="align_center">−0.384</td><td class="align_center">−0.662</td></tr><tr><td class="align_left">Maximum stress of immediate roof</td><td class="align_center">+4%</td><td class="align_center">+11.6%</td><td class="align_center">−25.9%</td><td class="align_center">−38%</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Influence of searching tunnel on roof and fault plane.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Analytical and Numerical Study of the Ground Pressure of the Work Face Crossing the Fault 