Influence of Parallel-Joint Position on Mechanical Behavior and Acoustic Emission Characteristics of Rock Pillar

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Joint tensile strength (MPa)</td><td class="align_center">1.1</td></tr><tr><td class="align_left">Joint cohesive force (MPa)</td><td class="align_center">2.8</td></tr><tr><td class="align_left">Joint friction coefficient</td><td class="align_center">0.3</td></tr><tr><td class="align_left">Joint normal stiffness (GPa/m)</td><td class="align_center">1</td></tr><tr><td class="align_left">Joint tangential stiffness (GPa/m)</td><td class="align_center">0.5</td></tr><tr><td class="align_left">Joint width (mm)</td><td class="align_center">1</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Physicomechanical parameters of FJCM.</div>

Shock and Vibration

tab2

Table 2

Table 2: Influence of Parallel-Joint Position on Mechanical Behavior and Acoustic Emission Characteristics of Rock Pillar 