Investigation on Failure Characteristics of Coal Seam Floor in Paste Filling Working Face

<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">Type</td><td class="align_center">Units</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Top beam length</td><td class="align_center">mm</td><td class="align_center">5785</td></tr><tr><td class="align_left">Center distance</td><td class="align_center">mm</td><td class="align_center">1500</td></tr><tr><td class="align_left">Theoretical initial support force of column</td><td class="align_center">KN/column</td><td class="align_center">1300</td></tr><tr><td class="align_left">Theoretical working resistance of support</td><td class="align_center">KN</td><td class="align_center">6200</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Supporting parameters of hydraulic support for filling No. 16 coal in Daizhuang mine.</div>

Geofluids

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Table 1

Table 1: Investigation on Failure Characteristics of Coal Seam Floor in Paste Filling Working Face 