湿热重载地区柔性基层耐久性沥青路面结构与材料设计  

Structure and Material Design of Durable Asphalt Pavement with Flexible Base in Humid-heat Heavy-load Area

作　　者：高岳峰 徐希忠 韦金城 成永宁 袁帅 胡家波 GAO Yue-feng;XU Xi-zhong;WEI Jin-cheng;CHENG Yong-ning;YUAN Shuai;HU Jia-bo(China Railway Construction Investment Co.,Ltd.,Jinan,Shandong,250000,China;Shandong Transportion Institute,Jinan,Shandong,250102,China;Key Laboratory of Expressway Maintenance Technology Transportation Industry,Jinan,Shandong,250102,China)

机构地区：[1]中国铁建投资集团有限公司,济南山东250000 [2]山东省交通科学研究院,济南山东250102 [3]高速公路养护技术交通行业重点实验室(济南),济南山东250102

出　　处：《黑龙江交通科技》2021年第10期6-9,11,共5页Communications Science and Technology Heilongjiang

基　　金：山东省重点研发计划(2019GSF109020、2019GGX101042)资助。

摘　　要：为了给湿热重载地区柔性基层耐久性沥青路面结构与材料设计提供依据,结合工程实例和国外先进设计理念与方法,对柔性基层耐久性沥青路面结构与材料设计进行了分析探讨。充分考虑湿热重载地区交通和环境特点,分别提出了柔性基层耐久性沥青路面结构组合设计原则和材料设计原则,基于现场轴载谱数据,进行了路面结构组合设计以及结构层厚度设计。针对耐久性沥青路面特点,提出了路面材料的性能要求,经室内试验验证和现场测试分析,各结构层材料性能均满足柔性基层耐久性沥青路面要求。In order to provide a basis for the durable asphalt pavement structure and material design of flexible base in wet-hot and heavy-load areas,the durable asphalt pavement structure and material design of flexible base are analyzed and discussed in combination with engineering examples and advanced design concepts and methods abroad.Considering the traffic and environmental characteristics in hot and humid heavy-duty areas,the principles of composite design and material design of durable asphalt pavement structure with flexible base are put forward respectively.Based on the field axle load spectrum data,the composite design of pavement structure and the thickness design of structural layer are carried out.According to the characteristics of durable asphalt pavement,the performance requirements of pavement materials are put forward.Through laboratory test and field test and analysis,the material properties of each structural layer can meet the requirements of durable asphalt pavement with flexible base.

关 键 词：道路工程 柔性基层 耐久性沥青路面 结构设计 材料设计 

分 类 号：U416.1[交通运输工程—道路与铁道工程]