随着公路里程的逐年增加,对公路养护的需求不断增长。道路超薄磨耗层技术的使用可以提高原路面的各种性能,改善路面早期病害,在道路预防性养护中具有较好的应用效果。基于目前国内外道路超薄磨耗层技术的研究成果,对超薄磨耗层使用的胶结料、矿料、添加剂和粘层材料的概况进行了阐述,对影响超薄磨耗层的抗滑性能、抗裂性能和层间粘结性能的因素进行分析,对其性能评价方法和指标等方面的研究进展进行了综述,随后介绍了两种应用前景较为广阔的功能型超薄磨耗层。最后,总结了道路超薄磨耗层材料的研究进展,对目前研究中存在的一些问题进行探讨,以期为未来超薄磨耗层技术的发展提供参考。
With the yearly increase in road mileage,the demand for road maintenance is growing greatly.Road ultra-thin wearing course technology can improve various properties of the original pavement,improve the early road surface damage,and has a good application effect in road preventive maintenance.Based on the research results of road ultra-thin wearing course technology at home and abroad,this paper elaborated on the profile of binder,mineral,additives,and adhesive materials used in ultra-thin wearing course,and analyzed the factors affecting the anti-skid performance,anti-cracking performance and inter-layer adhesive performance of ultra-thin wearing course.The research progress on the performance evaluation methods and indexes was reviewed.Subsequently,two kinds of functional ultra-thin wearing courses with a broader application prospects were introduced.Finally,the research progress of ultra-thin wearing course materials for roads was summarized,and some problems existed in the current research were discussed,providing a reference for the future development direction of this technology.
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基金资助
陕西省重点研发计划项目(2024GX-YBXM-371)
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