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BRA modified asphalt and their Mixtures
Author(s): 
Pages: 1-4
Year: Issue:  3
Journal: Guangdong Highway Communications

Keyword:  布敦岩沥青BRA改性沥青改性沥青混合料;
Abstract: 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...
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