| BRA改性沥青及其混合料性能研究 |
| |
| 引用本文： | 柳和平,郝培文. BRA改性沥青及其混合料性能研究[J]. 广东公路交通, 2010, 0(3): 1-4 |
| |
| 作者姓名： | 柳和平 郝培文 |
| |
| 作者单位： | 1. 广东省公路管理局,广州,510075
2. 长安大学公路学院,西安,710054 |
| |
| 摘 要： | 以克拉玛依70#沥青作为基质沥青,进行了不同掺量BRA改性沥青性能试验研究。结果表明,随着BRA掺量的增加,改性沥青的感温性能、高温性能和低温抗裂性能均有显著提高,并据此推荐BRA的适宜掺量是20%。另外,为了进一步检验BRA的路用性能,还进行了基质沥青混合料和掺量20%BRA改性沥青混合料的车辙试验、浸水马歇尔试验、冻融劈裂试验和低温弯曲试验,结果显示,BRA改性沥青混合料是一种性能优良的沥青混合料。
|
| 关 键 词： | 布敦岩沥青 BRA 改性沥青 改性沥青混合料 |
BRA modified asphalt and their Mixtures |
| |
| Liu He-ping,Hao Pei-wen. BRA modified asphalt and their Mixtures[J]. Guangdong Highway Communications, 2010, 0(3): 1-4 |
| |
| Authors: | Liu He-ping Hao Pei-wen |
| |
| Affiliation: | Liu He-ping1,Hao Pei-wen2(1.Guangdong Provincial Highway Administration,Guangzhou 510075,China,2.Highway college of Chang'an University,Xi'an 710064,China) |
| |
| Abstract: | 70 # asphalt Karamay as base asphalt,for different content BRA Modified Asphalt Performance.The results showed that with the BRA content increases,the performance of modified asphalt temperature,high temperature performance and low temperature crack resistance were significantly increased,and accordingly recommend appropriate BRA content is 20%.In addition,to further test BRA's road performance,the paper also carried a matrix asphalt mixtures and the content 20% BRA modified asphalt mixture rutting test,the... |
| |
| Keywords: | BRA |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
