Study on Ultraviolet Aging Performance of Composite Modified Asphalt Based on Rheological Properties and Molecular Dynamics Simulation

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center" colspan="2">Matrix asphalt</td><td class="align_center" colspan="2">Modified asphalt</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Ageing time</td><td class="align_center">0</td><td class="align_center">12</td><td class="align_center">0</td><td class="align_center">12</td></tr><tr><td class="align_left">CED/(J·cm<sup>−3</sup>)</td><td class="align_center">322.3</td><td class="align_center">386.5</td><td class="align_center">432.6</td><td class="align_center">486.3</td></tr><tr><td class="align_left"><i>δ</i></td><td class="align_center">17.9</td><td class="align_center">19.6</td><td class="align_center">20.7</td><td class="align_center">22</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Cohesive energy density and solubility parameters of asphalt</div>

Advances in Materials Science and Engineering

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Table 2

Table 2: Study on Ultraviolet Aging Performance of Composite Modified Asphalt Based on Rheological Properties and Molecular Dynamics Simulation 