Composition and Evaluation on Road Performance of SBS/PTW High-Viscosity-Modified Asphalt and Its Mixtures for Ultrathin Overlays

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Aggregate size (mm)</td><td class="align_center">10–15</td><td class="align_center">5–10</td><td class="align_center">3–5</td><td class="align_center">0–3</td><td class="align_center">Mineral fines</td><td class="align_center">Specification requirements</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Apparent relative density</td><td class="align_center">2.775</td><td class="align_center">2.754</td><td class="align_center">2.736</td><td class="align_center">2.722</td><td class="align_center">2.732</td><td class="align_center">≮2.60</td></tr><tr><td class="align_left">Gross volume relative density</td><td class="align_center">2.721</td><td class="align_center">2.717</td><td class="align_center">2.698</td><td class="align_center">2.715</td><td class="align_center">—</td><td class="align_center">—</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Physical properties of the aggregate.</div>

Advances in Materials Science and Engineering

tab6

Table 6

Table 6: Composition and Evaluation on Road Performance of SBS/PTW High-Viscosity-Modified Asphalt and Its Mixtures for Ultrathin Overlays 