矿料级配对沥青混合料压实性能影响研究

The research on influence of aggregate gradation tocompaction performance of asphalt mixture

采用美国SHRP计划开发的Superpave旋转压实仪(SGC),选取SMA13,DAC13,SJ13三种常用级配,通过分析在不同坐标系下沥青混合料的压实曲线及不同级配在各压实阶段特征参数的分布规律,对不同级配沥青混合料的压实性能进行了评价,为沥青混合料压实施工奠定基础。

The research uses the Superpave Gyratory Compaction（SGC） which is SHRP development,choose three kinds of gradations which is SMA13, DAC13 and SJ13.By analyzing the compacted curve of asphalt mixture on the different coordinates,and analyzing the characteristics parameters s distribution of different gradation in the different compaction stage.Then,appraisal to the bituminous mixture s compaction performance of different gradations,provides the reference for compaction construction of bituminous mixture.