基于加速加载试验青川岩沥青改性沥青混合料长期使用性能研究

摘要

以小型加速加载试验设备（MMLS3）为基础试验平台，研究了青川岩沥青改性沥青混合料的长期路用性能，并将其与普通沥青混合料、SBS 改性沥青混合料进行了对比。试验结果表明：加入青川岩沥青可显著改善沥青混合料的疲劳性能和高温稳定性。综合考虑路面长期使用性能的变化规律及经济性，推荐了青川岩沥青的合理掺量。%This article base on small acceleration test equipment (MMLS3)test to study the long-term performance of Qing chuan rock asphalt Modified Asphalt Mixture,and On the contrast with ordina-ry asphalt,SBS modified asphalt mixture.The test results showed that:add the Qing chuan rock asphalt can significantly improve the fatigue resistance and high temperature stability of asphalt mixture.Consid-ering the long-term pavement performance and economic changes in the law,a reasonable dosage recom-mended Green River rock asphalt.