Experimental Study of Seepage Characteristics of Filling Structures in Deep Roadway

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Type of loading</td><td class="align_center">Loading pressure (kPa/min)</td><td class="align_center">Pressure type</td><td class="align_center">Loading mode</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Axial compression</td><td class="align_center">14</td><td class="align_center">Hydraulic fluid</td><td class="align_center">Continuous loading to the design value</td></tr><tr><td class="align_left">Confining pressure</td><td class="align_center">30</td><td class="align_center">Water hydraulic</td><td class="align_center">Continuous loading to the design value</td></tr><tr><td class="align_left">Seepage pressure</td><td class="align_center">10/80</td><td class="align_center">Water hydraulic</td><td class="align_center">Gradually applied load to the failure of filling medium</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Loading schemes of permeability tests.</div>

Geofluids

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Table 4

Table 4: Experimental Study of Seepage Characteristics of Filling Structures in Deep Roadway 