Road Performance Comprehensive Evaluation of Polymer Modified Emulsified Asphalt Fiber Microsurfacing

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Fiber type</td><td class="align_center">Diameter/<i>μ</i>m</td><td class="align_center">Length/mm</td><td class="align_center">Tensile strength/MPa</td><td class="align_center">Elongation at breaking/%</td><td class="align_center">Elastic modulus/MPa</td><td class="align_center">Hygroscopicity/%</td><td class="align_center">Oil absorption rate/(g·g<sup>−1</sup>)</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">Polyester fiber</td><td class="align_center">20</td><td class="align_center">4–6</td><td class="align_center">650</td><td class="align_center">33.8</td><td class="align_center">12.2 × 10<sup>3</sup></td><td class="align_center">10.87</td><td class="align_center">3.25</td></tr><tr><td class="align_left">Polypropylene fiber</td><td class="align_center">20</td><td class="align_center">4–6</td><td class="align_center">365</td><td class="align_center">29</td><td class="align_center">5.2 × 10<sup>3</sup></td><td class="align_center">0</td><td class="align_center">3.81</td></tr><tr><td class="align_left">Basalt fiber</td><td class="align_center">16</td><td class="align_center">4–6</td><td class="align_center">1554</td><td class="align_center">2.4</td><td class="align_center">100.1 × 10<sup>3</sup></td><td class="align_center">0.176</td><td class="align_center">3.63</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The main technical indexes of fiber.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Road Performance Comprehensive Evaluation of Polymer Modified Emulsified Asphalt Fiber Microsurfacing 