Effects of Crumb Rubber Size and Concentration on Performance of Porous Asphalt Mixtures

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Design characteristics</td><td align="center">Results</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Optimum bitumen, %</td><td align="center">6.5</td></tr><tr><td align="left">Air void, %</td><td align="center">18.6</td></tr><tr><td align="left">Cantabro abrasion loss, %</td><td align="center">24.8</td></tr><tr><td align="left">Coefficient of permeability, m/day</td><td align="center">128.5 </td></tr><tr><td align="left">Indirect tensile strength, kPa</td><td align="center">204.8 </td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Journal of Polymer Science

tab4

Table 4

Table 4: Effects of Crumb Rubber Size and Concentration on Performance of Porous Asphalt Mixtures 