大空隙超薄磨耗层在排水路面单车道养护中的应用  

Application of Porous Ultra-thin Wearing Course in Single Lane Maintenance of Porous Asphalt Pavement

作　　者：杨振海 马辉 徐亚 任仲山 武昊 李俊[3] 李明亮[3] YANG Zhenhai;MA Hui;XU Ya;REN Zhongshan;WU Hao;LI Jun;LI Mingliang(Jiangsu NINGSUXU Expressway Co.,Ltd,Suqian Jiangsu 223800,China;Jiangsu Expressway Engineering Maintenance Technology Co.Ltd,Nanjing Jiangsu 211100,China;Research Institute of Highway Ministry of Transport,Beijing 100088,China)

机构地区：[1]江苏宁宿徐高速公路有限公司,江苏宿迁223800 [2]江苏高速公路工程养护技术有限公司,江苏南京211100 [3]交通运输部公路科学研究院,北京100088

出　　处：《交通节能与环保》2024年第6期197-202,共6页Transport Energy Conservation & Environmental Protection

基　　金：江苏交控系统科研项目(2021JKY06);公路院交通强国建设试点任务攻关项目(2022-C301)。

摘　　要：为解决排水沥青路面抗滑性能衰减、轻度飞散掉粒等病害,本文通过分析具体工程案例,对大空隙超薄磨耗层在排水沥青路面单车道养护中的应用进行了研究。首先,介绍了工程案例的施工方案和大空隙超薄磨耗层的混合料配合比设计、施工工艺等关键技术;然后,根据路面施工质量指标和路面横向力系数检测,评价了大空隙超薄磨耗层的实际应用效果。结果表明:PUC-8磨耗层的施工质量符合设计要求,SFC平均值达到64.72,说明大空隙超薄磨耗层的使用性能良好、抗滑性能优异,具有良好的排水沥青路面单车道养护适用性。In order to improve the service performance of porous asphalt pavement,and solve the distresses such as the attenuation of skid resistance and the slight raveling,the specific engineering case was analyzed by paving porous ultra-thin wearing course in the single lane maintenance of porous asphalt pavement.Firstly,the construction scheme was introduced of the engineering case,also the key technology of porous ultra-thin wearing course from the aspects of mix ratio design and construction technology.Then the application effect of porous ultra-thin wearing course was verified based on the test results of pavement construction quality and pavement side-way force coefficient.The analysis results show that the porous ultra-thin wearing course exhibits good mixture performance and excellent anti-skid performance,and can be well applied in the single lane maintenance of porous asphalt pavement.

关 键 词：大空隙超薄磨耗层 车道养护 施工技术 抗滑性能 排水沥青路面 

分 类 号：U419.6[交通运输工程—道路与铁道工程]