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

<table class="table-group" id="tab3"><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">E/(GPa)</td><td class="align_center">2.478</td><td class="align_center">3.879</td><td class="align_center">3.909</td><td class="align_center">4.901</td></tr><tr><td class="align_left">K/(GPa)</td><td class="align_center">4.419</td><td class="align_center">5.639</td><td class="align_center">6.087</td><td class="align_center">6.897</td></tr><tr><td class="align_left">G/(GPa)</td><td class="align_center">0.776</td><td class="align_center">0.897</td><td class="align_center">1.032</td><td class="align_center">1.111</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mechanical properties of asphalt before and after aging</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Study on Ultraviolet Aging Performance of Composite Modified Asphalt Based on Rheological Properties and Molecular Dynamics Simulation 