纤维沥青混合料在西宝高速公路大修改造中的应用

Application of Fiber Asphalt Mixture to Heavy Maintenance of Xi Bao Expressway

西宝高速公路经过多年使用，有的路段已产生了明显的裂缝和车辙。为此在这些路段的路面大修过程中采用了纤维加强技术，通过实验证明，纤维加入到沥青混合料中后，可以明显改善沥青路面的综合路用性能，尤其是增强了防止反射裂缝能力和抗车辙能力。具有明显的社会经济效益，为旧路改造开辟了另一新途径，值得广泛推广应用。

Over several years, some fine cracks and tracks have been produced in certain sections of Xi -Bao expressway. We adopt fiber strengthen technology in pavement maintenance, Experiments prove fiber bituminous pavement road performance has been remarkably improved by fiber mixed into bituminous mixture, particularly, prevention of anti - reflective cracking resistance and anti - rut resistance have been strengthened, which makes obvious social - economic benefits and opens up a new channel to reconstructing old roads. It is worth extensive application.