半刚性基层长寿命路面结构和材料设计研究  

Research on Pavement Structure and Material Design of Semi-rigid Base Long-life Pavement

作　　者：薛忠军[1,2] 王春明[1,2] 张伟[1,2] 宋波[1,2] 李兴海[1,2] 

机构地区：[1]北京市道路工程质量监督站,北京100088 [2]道路工程材料与检测鉴定技术北京市重点实验室,北京100076

出　　处：《公路交通科技》2015年第10期37-42,56,共7页Journal of Highway and Transportation Research and Development

基　　金：国家自然科学基金项目(50808058);北京市交通委员会优秀专业技术人才培养项目(20140707)

摘　　要：结合长寿命路面工程实例,从结构设计和材料设计方面对半刚性基层长寿命路面应用进行了探索性研究。针对我国近几年来高等级公路沥青路面早期损坏现象调查、损坏原因分析与结构计算结果,结合试验路段高等级公路重载交通的状况,提出本次长寿命路面结构组合设计思路;综合考虑各种沥青路面结构层组合方案在结构设计时中的受力特点及所需考虑的损坏类型,提出本次长寿命路面设计指标和相关的设计参数,并针对不同结构层提出了具体的材料性能要求。通过室内试验和现场检测结果表明:各结构层所用的沥青混合料各项路用性能均满足设计要求,半刚性基层沥青路面具有足够的承载力,其路面结构满足长寿命设计标准。Combining with long-life pavement engineering examples, from the aspects of structure design and material design, we conducted the exploring research on the application of semi-rigid base long-life pavement. According to the survey of high grade highway asphalt pavement early damage phenomena, the analysis of the damage cause and the calculation result of structure in recent years in our country, combining with heavy traffic conditions of high-grade highways test section, we put forward the design thought of long- life pavement structure combination. Considering the force characteristics in the structural design and damage types considered necessary in all asphalt pavement structure layers combination schemes, we presented the long-life pavement design indexes and the relative design parameters, and put forward specific performance requirements of different structure layer materials. The indoor test and field test results show that each road performance index of asphalt mixture for each structure layer satisfies the design requirements, semi-rigid base asphalt pavement has enough bearing capacity, the pavement structure meets the design standards of long-life pavement.

关 键 词：道路工程 半刚性基层 长寿命路面 室内试验 结构设计 材料设计 路用性能 

分 类 号：U416.223[交通运输工程—道路与铁道工程]