脱油沥青应用于高弹改性沥青混合料的研究

Research on application of deoiled asphalt to high-elastic modified asphalt mixture

制备DOA/高弹复合改性沥青,考察其混合料SMA-10的路用性能,并同步对比高弹改性沥青混合料SMA-10。试验结果表明,DOA/高弹复合改性沥青混合料SMA-10高温抗车辙性更为优异,但其低温性能、水稳定性能及疲劳性能均有不同程度的下降。总体看来,DOA/高弹复合改性沥青混合料SMA-10的路用性能满足钢桥面铺装使用要求。

DOA/high-elastic composite modified asphalt was prepared.The pavement performance of its mixture SMA-10 was investigated,performance of high-elastic modified asphalt mixture SMA-10 was simultaneously compared.The test results showed that DOA/high-elastic composite modified asphalt mixture SMA-10 had better high-temperature performance,but its low-temperature performance,water stability performance and fatigue performance all reduced to varying degrees.In general,the pavement performance of DOA/high-elastic composite modified asphalt mixture SMA-10 meets the requirements of steel bridge deck pavement.