不同配比对Buton岩沥青影响的性能研究

Research on Effects of Different Mixing Proportion to Buton Rock Asphalt

对布敦(buton)岩沥青和基质沥青按不同比例进行拌和,通过对试样进行常规试验和动态力学分析,评价了不同的掺配比例对沥青改性的效果的影响,确定了buton岩沥青与基质沥青掺配的最佳比例。并且通过试验数据分析,得出了常规指标25℃的针入度与采用动态剪切流变仪得到的车辙因子G*/sinδ具有很好的相关性,二者对于评价布敦岩改性沥青的性能具有一致性,为以后的天然岩改性沥青的路用性能提供了一个可以对照的指标。

Mixing buton rock asphalt into base asphalt by different proportions and make regular experiments and dynamic mechanics experiments on them are presented.Influence of different proportions is appraised to rock modified asphalts and ascertain best mixing proportion of buton rock asphalt.Analysis test data and draw a conclusion that penetration value of 25℃ has good correlation with rutting factor G/sinδ,both of them can get consistency in evaluating performance of buton modified asphalt and make a collated index to each other for appraising natural rock asphalt.