A Computing Method for Sand Inrush Quantity through a Borehole in Longde Coal Mine

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Water abundance level</td><td class="align_center">Higher</td><td class="align_center">High</td><td class="align_center">Middle</td><td class="align_center">Low</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Units-inflow L·s<sup>−1</sup>·m<sup>−1</sup></td><td class="align_center">&gt;5</td><td class="align_center">1∼5</td><td class="align_center">0.5∼1</td><td class="align_center">&lt;0.5</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Division of water abundance level [<a href="/journals/ace/2018/4842939/#B32" target="_blank">32</a>].</div>

Advances in Civil Engineering

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Table 3

Table 3: A Computing Method for Sand Inrush Quantity through a Borehole in Longde Coal Mine 