UTFC-Ⅱ型超薄磨耗层沥青混合料设计及工程应用  

作　　者：孙胜海 吴海兵 姚俊凯 于鹏盛 

机构地区：[1]宁波招商公路交通科技有限公司,浙江宁波315105 [2]浙江交工高等级公路养护有限公司,浙江宁波315133

出　　处：《科技创新与应用》2024年第32期119-122,共4页Technology Innovation and Application

摘　　要：通过材料选择、级配和最佳油石比设计,制备UTFC-Ⅱ型超薄磨耗层沥青混合料,并将其应用于降水量大、重载车辆比例高的甬台温高速公路宁波段一期预防性养护专项工程中。结果表明,UTFC-Ⅱ型超薄磨耗沥青路面性能指标均高于规定值或在允许偏差范围内,路面实测孔隙率为15.4%,平整度为1.42 m/km,渗水系数为1333 mL/min,摩擦系数为62 BPN,构造深度为1.10 mm。Through material selection,grading and optimal oil-stone ratio design,UTFC-II ultra-thin wearing layer asphalt mixture was prepared and applied to the first phase of the Ningbo section of the Yongtaiwen Expressway with large precipitation and a high proportion of heavy-duty vehicles.In the special preventive maintenance project.The results show that the performance indicators of UTFC-II ultra-thin wearing asphalt pavement are higher than the specified values or within the allowable deviation range.The measured porosity of the pavement is 15.4%,the flatness is 1.42 m/km,the water permeability coefficient is 1333 mL/min,the friction coefficient is 62 BPN,and the construction depth is 1.10 mm.

关 键 词：超薄磨耗层 预防性养护 设计 应用 高速公路 

分 类 号：U418.6[交通运输工程—道路与铁道工程]