Compound rejuvenation of polymer modified asphalt binder

被引：0
|
作者：
Tao Ma
Xiaoming Huang
Yongli Zhao
U. Bahia Hussain
机构：
[1] Southeast University,School of Transportation
[2] University of Wisconsin-Madison,Department of Civil and Environmental Engineering
来源：
Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2010年 / 25卷
关键词：
polymer modified asphalt binder; penetration grade test; superpave™ PG grade test; recycling agent; modifying additive; compound rejuvenation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The objective of this research was to show a way to conduct rejuvenation of aged polymer modified asphalt binder (PMB) successfully. To fully evaluate and understand the rejuvenation of aged PMB, the Penetration grade tests including penetration, soften point, ductility and elastic recovery and Superpave™ PG grade tests including DSR, BBR and DDT were conducted. The rejuvenation effect of aged PMB by utilizing a fluid recycling agent in common use for binder rejuvenation was evaluated. And then the compound rejuvenation effect of aged PMB by utilizing the recycling agent with a new modifying additive for binder modification was evaluated. The experimental results indicated that the recycling agent in common use currently does not apply to polymer modified asphalt binder rejuvenation. But the recycling agent together with the modifying additive can restore the characteristics of aged polymer modified binder very well. Therefore, compound rejuvenation of polymer modified asphalt binder is recommended.
引用
收藏
页码：1070 / 1076
页数：6
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