植物废油对老化沥青流变性能影响规律研究

doi:10.3969/j.issn.1674-0696.2019.08.10

重庆交通大学学报（自然科学版） ›› 2019, Vol. 38 ›› Issue (08): 59-64.DOI: 10.3969/j.issn.1674-0696.2019.08.10

植物废油对老化沥青流变性能影响规律研究

曹芯芯1，曹雪娟2，唐伯明1,2，李小龙2

(1. 重庆交通大学土木工程学院，重庆 400074； 2. 重庆交通大学材料科学与工程学院，重庆 400074)

收稿日期:2018-04-18 修回日期:2018-07-09 出版日期:2019-08-01 发布日期:2019-08-01
作者简介:曹芯芯(1988—)，男，山东潍坊人，博士研究生，主要从事路面材料研究。E-mail：caoxinxin1988@foxmail.com。
基金资助:
重庆市研究生科研创新项目(2017B0103)

Influence Rule of Waste Vegetable Oil on Rheological Properties of Aged Asphalt

CAO Xinxin1, CAO Xuejuan2，TANG Boming1,2，LI Xiaolong2

(1. School of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, P. R. China; 2. School of Material Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, P. R. China)

Received:2018-04-18 Revised:2018-07-09 Online:2019-08-01 Published:2019-08-01

摘要/Abstract

摘要： 回收沥青混合料在进行热再生过程中需加入沥青再生剂保证其使用性能，近五年植物油基再生剂因其绿色可再生的优势越来越受到关注。选择了一种我国常见的植物废油，并命名为W-oil。通过对不同W-oil掺量下再生沥青的流变性能分析，考察W-oil作为沥青再生剂的潜力。研究结果表明：随着 W-oil掺量的增加，再生沥青的施工和易性、疲劳性能和低温抗裂性能均得到改善，但高温性能逐渐降低。当W-oil掺量为13.4%时，再生沥青高温性能与基质沥青相当，施工和易性略低，疲劳性能和低温性能更优。因此，W-oil作为沥青再生剂是非常有潜力的。

关键词: 道路工程, RAP, 再生剂, 植物油, 流变性质

Abstract: Asphalt rejuvenator should be added in reclaimed asphalt pavement (RAP) hot recycling to ensure its performance. In the past five years, the vegetable oil base rejuvenator attracted more and more attention due to its green and renewable advantages. A common plant waste oil in China was chosen and named w-oil. Through the analysis of rheological properties of recycled asphalt with different w-oil content, the possibility of w-oil as asphalt rejuvenator was investigated. The research results show that: with the increase of w-oil content, the construction workability, fatigue performance and low-temperature cracking of rejuvenated asphalt are improved, but the high temperature stability is reduced. When W-oil content is 13.4%, the high temperature stability of rejuvenated asphalt is similar to that of virgin asphalt; construction and workability are slightly lower, while the rejuvenated asphalt has better fatigue performance and low-temperature performance. Therefore, w-oil as asphalt rejuvenator has great potential.

Key words: highway engineering, RAP, rejuvenator, vegetable oil, rheological property

中图分类号:

U414

曹芯芯1，曹雪娟2，唐伯明1,2，李小龙2. 植物废油对老化沥青流变性能影响规律研究[J]. 重庆交通大学学报（自然科学版）, 2019, 38(08): 59-64.

CAO Xinxin1, CAO Xuejuan2，TANG Boming1,2，LI Xiaolong2. Influence Rule of Waste Vegetable Oil on Rheological Properties of Aged Asphalt[J]. Journal of Chongqing Jiaotong University(Natural Science), 2019, 38(08): 59-64.

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植物废油对老化沥青流变性能影响规律研究

Influence Rule of Waste Vegetable Oil on Rheological Properties of Aged Asphalt

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