Damage Evolution of Rocks Containing a Set of Cross-Joints Based on Acoustic Emission Characteristics

<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">1.085</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 angle</td><td class="align_center">30</td></tr><tr><td class="align_left">Joint normal stiffness (GPa/m)</td><td class="align_center">15</td></tr><tr><td class="align_left">Joint tangential stiffness (GPa/m)</td><td class="align_center">10</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>Meso-parameters for the SJM [<a href="/journals/amse/2022/4120287/#B11" target="_blank">11</a>].</div>

Advances in Materials Science and Engineering

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Table 2

Table 2: Damage Evolution of Rocks Containing a Set of Cross-Joints Based on Acoustic Emission Characteristics 