Quantitative Identification of the Water Resistance Capacity of Composite Strata in Mining Coal Seam Floors

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Indicators</td><td class="align_center">Thickness ratio of plastic brittle rock</td><td class="align_center">Core recovery rate</td><td class="align_center">Thickness of effective aquiclude</td><td class="align_center">Fault factor values</td><td class="align_center">Composite compressive strength</td><td class="align_center">Equivalent water resistance coefficient</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Comprehensive weight</td><td class="align_center">0.1955</td><td class="align_center">0.1753</td><td class="align_center">0.1599</td><td class="align_center">0.2692</td><td class="align_center">0.0873</td><td class="align_center">0.1127</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comprehensive weight of index factors.</div>

Geofluids

tab9

Table 9

Table 9: Quantitative Identification of the Water Resistance Capacity of Composite Strata in Mining Coal Seam Floors 