摘要
采用沥青薄膜烘箱试验(TFOT)和紫外线老化试验,对壳牌90号重交通道路石油沥青,以及掺加添加剂后沥青的针入度、软化点、延度和粘度等指标进行了试验研究。试验结果表明,紫外线老化对沥青性能有比较明显的影响作用,但掺加合适剂量的某些添加剂后,沥青性能可以在一定程度上得到改善;此外,通过TFOT还表明紫外线添加剂对沥青热老化也有一定的改善作用。
Employing the rolling thin film oven test and ultraviolet radiation aging test, the penetration index, soft point, ductility and viscosity of AH-90 asphalt and other additives modified asphalt were investigated. The results showed that the ultraviolet radiation aging would greatly effect the performance of asphalt, but the performance can be improved to a certain extent by adding some additires. Then, it was also proved that the additives can improve the anti-aging performance of asphalt by the rolling thin film oven test.
出处
《石油沥青》
2007年第1期6-9,共4页
Petroleum Asphalt
基金
四川省交通厅科技项目(项目编号:SC20040188)。
关键词
沥青
紫外线老化
添加剂
改善作用
Asphalt
Ultraviolet radiation aging test
Additive
Improvement