Hydraulic Conductivity of Polymer-Amended Sand-Bentonite Backfills Permeated with Lead Nitrate Solutions

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Hydraulic gradient, <i>i</i></td><td class="align_center">Bottom pressure, <i>P</i><sub>B</sub> (kPa)</td><td class="align_center">Top pressure, <i>P</i><sub>T</sub> (kPa)</td><td class="align_center">Cell pressure, <i>P</i><sub>C</sub> (kPa)</td><td class="align_center">Effectiveness stress, <i>P</i><sub>e</sub> (kPa)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">200</td><td class="align_center">100</td><td class="align_center">0</td><td class="align_center">105</td><td class="align_center">38.3</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The pressure used in flexible-wall permeability test.</div>

Advances in Civil Engineering

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Table 7

Table 7: Hydraulic Conductivity of Polymer-Amended Sand-Bentonite Backfills Permeated with Lead Nitrate Solutions 