【作者】 李丽慧；

【导师】 董希斌；

【作者基本信息】 东北林业大学 ， 森林工程， 2007， 硕士

【摘要】 水损害是沥青路面的主要病害之一，也是导致我国高速公路沥青尤其是寒区道路路面早期损坏的主要原因之一。国内外大量路面损坏状况调查表明，进入路面结构的自由水是造成路面损坏的首要因素。因此，在路面内部设置排水系统将进入到路面结构内的水分及时排除，将极大地改善路面的使用性能和延长道路的使用寿命。排水性沥青稳定碎石基层(简称ATPB)具有排水能力强、施工速度快、便于机械化施工等优点，适宜作为排水基层材料，作为沥青混凝土路面的排水层。目前，公路发达国家对排水性路面已经开展了广泛的研究，国内的试验路也大都集中在南方几省，寒区排水性路面的铺筑则刚刚起步。本文根据北方的气候特点，通过三种级配的开级配沥青混合料的室内试验，对排水性沥青稳定碎石的配合比和性能进行研究。采用析漏试验综合考虑马歇尔稳定度指标确定最佳沥青用量；通过室内试验对ATPB的透水性、水稳定性、低温抗裂性、力学性能进行研究，并提出了相应的指标。同时，分析了混合料性能的各影响因素。通过试验，三种级配的混合料性能指标都能达到目标要求。利用层次分析法对混合料各种性能进行对比分析，得出ATPB-25更适合作为寒区沥青路面排水基层的结论。在国内外已铺筑的试验路基础上，对排水性沥青稳定碎石基层的施工提出了一些建议。更多还原

【Abstract】 The water damage of asphalt pavement has been one of the uppermost disease, also is one of primary reason which cause premature damage in our country highway. The water damage phenomenon is quite serious in cold area of our country. The massive pavement damage condition investigation of domestic and foreign indicated that, the free water enters the pavement structure is the most important factor creates the pavement damage. Therefore, It will improve the pavement performance and extend service of life enormously by establish pavement subdrainage system to remove excessive water to the edge of highway in time.Currently, it is already extensively launched the application study in road developed country, the trial road is also the mostly concentrated in southern of our country. The paper research ATPB’s performance according to the weather characteristics of the north, through experiment. The asphalt treated permeable base (ATPB) material has been widely used due to its high drainability, construction rapidness and convenience. So it is suitable took ATPB as permeable base. The paper made sure the asphalt optimum content based on Binder Drainage Test and marshall stability test then study water permeability, the water stability, the anticracking at low temperature and mechanics performance by experiment, then concluded that ATPB-25 is more suitable as permeable base in cold area. Finally, based on the abroad research,the paper put forward some suggestions about the construction technique that the asphalt treated permeable base.更多还原