Study on Mechanical Properties and Control Technology of Surrounding Rock in the Fracture Zone of a Roadway

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Name</td><td class="align_center" colspan="5">Confining pressure (MPa)</td><td class="align_center" rowspan="2">Internal friction angle (°)</td><td class="align_center" rowspan="2">Cohesion (MPa)</td></tr><tr class="thead"><td class="align_center">5</td><td class="align_center">10</td><td class="align_center">15</td><td class="align_center">20</td><td class="align_center">25</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">Fine sandstone</td><td class="align_center">94.842</td><td class="align_center">114.118</td><td class="align_center">127.316</td><td class="align_center">143.835</td><td class="align_center">159.737</td><td class="align_center">31.5</td><td class="align_center">22.45</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Triaxial compression test results of fine sandstone specimens under different confining pressures.</div>

Shock and Vibration

tab4

Table 4

Table 4: Study on Mechanical Properties and Control Technology of Surrounding Rock in the Fracture Zone of a Roadway 