Study on Permeability of Soil-Rock Mixture in Water-Blocking Layer of Open-Pit Coal Mine Dump Site

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Rock block</td><td class="align_center">Size (mm)</td><td class="align_center">Type</td><td class="align_center">Surface</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Current study</td><td class="align_center">1–10</td><td class="align_center">Sandstone</td><td class="align_center">Rough</td></tr><tr><td class="align_left">Wang’s study</td><td class="align_center">2–5</td><td class="align_center">Marble</td><td class="align_center">Smooth</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of rock block parameters.</div>

Advances in Civil Engineering

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Table 1

Table 1: Study on Permeability of Soil-Rock Mixture in Water-Blocking Layer of Open-Pit Coal Mine Dump Site 