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

<div>(a) The minimum PAC dosage of backfills when exposed to Pb(NO<sub>3</sub>)<sub>2</sub> solutions with various concentrations, and (b) the minimum PAC dosage of backfills permeated with 500 mM Pb under various pressures.</div>

Advances in Civil Engineering

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Figure 6

Figure 6: Hydraulic Conductivity of Polymer-Amended Sand-Bentonite Backfills Permeated with Lead Nitrate Solutions 