Effect of Polyester Fiber on Air Voids and Low-Temperature Crack Resistance of Permeable Asphalt Mixture

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Rainfall intensity</td><td class="align_center">Rainfall (mm·h<sup>−1</sup>)</td><td class="align_center">Air voids (%)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Rainstorm</td><td class="align_center">≥16.0</td><td class="align_center">≥22.0</td></tr><tr><td class="align_left">Heavy</td><td class="align_center">8.1∼15.9</td><td class="align_center">18.7∼21.6</td></tr><tr><td class="align_left">Moderate</td><td class="align_center">2.6∼8.0</td><td class="align_center">14.1∼18.6</td></tr><tr><td class="align_left">Light</td><td class="align_center">≤2.6</td><td class="align_center">—</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Air void requirement in different rainfall intensities.</div>

Advances in Civil Engineering

tab5

Table 5

Table 5: Effect of Polyester Fiber on Air Voids and Low-Temperature Crack Resistance of Permeable Asphalt Mixture 