Effects of WMA Additive on the Rheological Properties of Asphalt Binder and High Temperature Performance Grade

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Asphalt type</td><td align="center" colspan="3">Regression parameters</td></tr><tr class="thead"><td align="center"><svg height="10.2385pt" id="M92" style="vertical-align:-3.40332pt" version="1.1" viewbox="-0.0498162 -6.83518 8.85534 10.2385" width="8.85534pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M659 416L649 451C600 438 564 414 546 396C527 377 518 354 506 308C495 265 474 200 456 152C437 102 400 45 326 34L424 510L415 514L351 494L266 44C213 55 182 94 182 174C182 200 187 243 191 277C194 304 196 331 196 357C196 415 178 451 138 451C108 451 66 431 24 386L32 355C49 370 66 377 81 377C91 377 110 370 110 328C110 300 107 269 104 240C101 214 99 188 99 162C99 37 166 -5 257 -13L220 -202C215 -228 229 -251 236 -257L274 -218L318 -11C349 -4 378 8 400 21C444 48 489 89 518 157L586 327C601 369 619 393 659 416Z" id="g50-245"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="671" vert-adv-y="671"></glyph.data></g></svg> (×10<sup>3</sup>)</td><td align="center"><span style="width: 7.4591ptpx;"><svg height="9.4034pt" id="M93" style="vertical-align:-3.40335pt" version="1.1" viewbox="-0.0498162 -6.00005 7.4591 9.4034" width="7.4591pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M546 97L529 123C499 91 459 65 450 65C443 65 439 73 445 106C468 226 496 341 523 451H513L436 424C423 357 412 311 403 276C356 195 245 59 190 59C165 59 158 99 166 135L236 445L227 451L152 428L60 18C43 -58 24 -145 24 -183C24 -237 43 -257 66 -257C96 -257 123 -236 130 -224L129 -216C115 -205 96 -156 96 -102C96 -57 105 -7 113 26H115C127 -1 137 -12 158 -12S198 -5 230 19C284 60 332 117 385 186H387C381 154 378 142 370 107C347 1 367 -12 388 -12C422 -12 492 32 546 97Z" id="g50-234"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="564" vert-adv-y="564"></glyph.data></g></svg></span></td><td align="center"><span style="width: 7.75923ptpx;"><svg height="12.6917pt" id="M94" style="vertical-align:-3.40337pt" version="1.1" viewbox="-0.0498162 -9.28833 7.75923 12.6917" width="7.75923pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M563 583C563 664 501 710 433 710C381 710 334 692 285 648C212 582 178 506 149 350L74 -56C49 -190 36 -222 24 -226L30 -257C52 -256 95 -247 121 -229C131 -222 134 -206 165 -21L219 303C254 510 296 665 397 665C447 665 481 626 481 572C481 512 446 457 390 420C367 405 351 400 323 397L302 349C398 338 466 285 466 197C466 117 419 45 306 45C268 45 224 59 198 74L186 50C197 20 228 -14 274 -14C318 -14 359 3 401 26C478 68 554 144 554 225C554 322 493 367 412 396C490 446 563 500 563 583Z" id="g50-224"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="587" vert-adv-y="587"></glyph.data></g></svg></span></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Aged asphalt 70#</td><td align="center">31.48</td><td align="center">25.6</td><td align="center">−0.14</td></tr><tr><td align="left">Unaged asphalt 70#</td><td align="center">10.69</td><td align="center">39.3</td><td align="center">−0.14</td></tr><tr><td align="left">Unaged asphalt 90#</td><td align="center">8.23</td><td align="center">35.9</td><td align="center">−0.14</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

tab5

Table 5

Table 5: Effects of WMA Additive on the Rheological Properties of Asphalt Binder and High Temperature Performance Grade 