An Experimental Research on Surrounding Rock Unloading during Solid Coal Roadway Excavation

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" colspan="2">Stress path</td><td class="align_center">Engineering correspondence</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left" rowspan="2">Unloading confining pressure and loading axial pressure</td><td class="align_center">Unloading rate effect</td><td class="align_center" rowspan="2">Stress adjustment process of surrounding rock unloading in roadway excavation</td></tr><tr><td class="align_center">Loading rate effect</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Summary of the experiment scheme.</div>

Geofluids

tab1

Table 1

Table 1: An Experimental Research on Surrounding Rock Unloading during Solid Coal Roadway Excavation 