Risk Assessment of Water and Sand Inrush in Mining under Thick Loose Layer Based on Comprehensive Weight-Cloud Model

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Name of working face</td><td class="align_center" colspan="3">Membership degree</td><td class="align_center" rowspan="2">Comprehensive weight-cloud model</td><td class="align_center" rowspan="2">Actual situation</td></tr><tr class="thead"><td class="align_center">I</td><td class="align_center">II</td><td class="align_center">III</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">6311-2</td><td class="align_center">0.3610</td><td class="align_center">0.2086</td><td class="align_center">0.2912</td><td class="align_center">I</td><td class="align_center">I</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Membership degree of working face belonging to each risk grade.</div>

Geofluids

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Table 6

Table 6: Risk Assessment of Water and Sand Inrush in Mining under Thick Loose Layer Based on Comprehensive Weight-Cloud Model 