严酷气候条件下SBS改性沥青路面结构温度场研究  

Research on Temperature Field of SBS Modified Asphalt Pavement Structure under Severe Climatic Conditions

作　　者：李文克 武书华 Li Wenke;Wu Shuhua(Henan Province Highway Engineering Bureau Group Co.,Ltd.,Zhengzhou 450052,China;Zhengzhou University of Aeronautics,Zhengzhou 450046,China)

机构地区：[1]河南省公路工程局集团有限公司,郑州市450052 [2]郑州航空工业管理学院,郑州市450046

出　　处：《北方交通》2022年第7期57-61,共5页Northern Communications

基　　金：青海省基础研究计划(2017-ZJ-715)

摘　　要：为研究严酷气候环境下SBS改性沥青路面结构温度行为,选取青海省典型长期低温气象数据,基于实测路面材料热物性参数和粘弹性参数,采用Abaqus软件进行SBS改性沥青路面结构下的温度场研究,分析了不同路面结构层温度场变化规律。结果表明:道路路基顶面以下15cm范围内,在外界环境和路面结构层的影响下其温度呈线性变化且呈持续小幅升温趋势,而路面面层各深度处的温度随时间和外界环境呈现较为复杂的曲线变化。In order to study the temperature behavior of SBS modified asphalt pavement structure under severe climatic environment,the typical long-term low-temperature meteorological data of Qinghai province is selected.Based on the measured thermal physical parameters and viscoelastic parameters of pavement materials,the temperature field under the structure of SBS modified asphalt pavement is studied by using Abaqus software and the variation laws of temperature field of different pavement structure layers are analyzed.The results show that:within the range of 15cm below the top surface of the road subgrade,the temperature changes linearly and continues to rise slightly under the influence of the external environment and the pavement structure layer,while the temperature at each depth of the pavement surface changes in a complex curve with time and the external environment.

关 键 词：长期低温 SBS改性沥青 沥青路面 温度场 

分 类 号：U414.01[交通运输工程—道路与铁道工程]