通过不同方案的路用性能比较和验证，发现基质沥青添加改性剂比单独使用基质沥青具有更强的抗紫外老化能力；
Through road performance comparison and verification of various schemes, it is found that modified asphalt behaves a stronger anti-ultraviolet aging ability than base asphalt;
聚酯纤维作为一种良好的沥青混合添加材料。在沥青路面工程中的应用起来越广泛。
The polyester fiber, as one of the high test addition materials in asphalt mixture, has been widely used in the asphalt pavement construction.
制备了不同硫含量的各种粒级的添加硫沥青球，并且选择合适的工艺条件进行氧化稳定化处理。
A various sizes of pitch-based spheres (PBS) with different content of sulfur were prepared and they were stabilized in air with right process.
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