Evaluation of crumb rubber modification and short-term aging on the rutting performance of bioasphalt

被引:24
作者
Chen, Yu [1 ]
Ji, Chuanjun [1 ]
Wang, Hainian [1 ]
Su, Yumin [2 ]
机构
[1] Changan Univ, Sch Highway, Middle Sect NanErhuan Rd, Xian 710064, Shaanxi, Peoples R China
[2] Natl Kaohsiung Univ Sci & Technol, Dept Civil Engn, Kaohsiung 80778, Taiwan
基金
中国博士后科学基金;
关键词
Bioasphalt; RTFOT; Rutting factor; Non-recoverable creep compliance; Crumb rubber; WASTE COOKING OIL; PARTIAL REPLACEMENT; ASPHALT BINDER; BIO-OIL; PYROLYSIS;
D O I
10.1016/j.conbuildmat.2018.10.192
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
In this study, the high temperature performances of ten combinations of bioasphalt and crumb rubber particles were evaluated by DSR and MSCR tests. Testing results indicated that short-term aging and crumb rubber modification increased the complex shear modulus and reduced the phase angle. In addition, the crumb rubber modified bioasphalt significantly reduced the unrecovered creep compliance and increased the percentage recovery. It can be concluded that the bioasphalt exhibited higher rutting resistance than the virgin binder and it can be used like traditional binder in term of rutting performance. In addition, crumb rubber greatly increased the rutting performance of bioasphalt. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码:467 / 473
页数:7
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