Investigation on the Properties and Distribution of Air Voids in Porous Asphalt with Relevance to the Pb(II) Removal Performance

<div>The removal rate of Pb(II) for PA specimens with different AV contents.</div>

Advances in Materials Science and Engineering

Figure 8: Investigation on the Properties and Distribution of Air Voids in Porous Asphalt with Relevance to the Pb(II) Removal Performance 