Research on Rejuvenation of Styrene-Butadiene-Styrene Block Copolymer Modified Asphalt with Rejuvenating Agent Based on Pre-Mixing Method

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Technical indicators</td><td class="align_center">Coarse aggregate in RAP</td><td class="align_center">New coarse aggregate</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Crushing value, %</td><td class="align_center">25.6</td><td class="align_center">18.9</td></tr><tr><td class="align_left">Los Angeles abrasion value, %</td><td class="align_center">28.4</td><td class="align_center">22.8</td></tr><tr><td class="align_left">Needle flake, %</td><td class="align_center">11.3</td><td class="align_center">4.2</td></tr><tr><td class="align_left">Adhesion to asphalt</td><td class="align_center">5</td><td class="align_center">5</td></tr><tr><td class="align_left">Water absorption, %</td><td class="align_center">2.9</td><td class="align_center">1.7</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Technical indicators of coarse aggregate.</div>

Advances in Materials Science and Engineering

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Table 4

Table 4: Research on Rejuvenation of Styrene-Butadiene-Styrene Block Copolymer Modified Asphalt with Rejuvenating Agent Based on Pre-Mixing Method 