Compound Rejuvenation of Polymer Modified Asphalt Binder

被引：26

作者：

Ma Tao ^{[1
,2
]}

Huang Xiaoming ^{[1
]}

Zhao Yongli ^{[1
]}

Hussain, U. Bahia ^{[2
]}

机构：

[1] Southeast Univ, Sch Transportat, Nanjing 210096, Peoples R China

[2] Univ Wisconsin, Dept Civil & Environm Engn, Madison, WI 53706 USA

来源：

JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2010年 / 25卷 / 06期

基金：

中国国家自然科学基金;

关键词：

polymer modified asphalt binder; penetration grade test; superpave (TM) PG grade test; recycling agent; modifying additive; compound rejuvenation;

D O I：

10.1007/s11595-010-0152-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

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(TM) 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

页码：1070 / 1076

页数：7

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