科技创新与应用2025，Vol.15Issue(7)：58-62,5.DOI:10.19981/j.CN23-1581/G3.2025.07.015
川西高原沥青路面高频冻融破坏机理研究
摘要
Abstract
In view of the problem that asphalt pavements in the mountainous areas of the western Sichuan Plateau are prone to high-frequency freeze-thaw damage,asphalt pavements on representative sections were investigated,and the temperature conditions within the pavement structure were monitored by embedding sensors.On this basis,a high-frequency freeze-thaw indoor test method was established.The method combines UV(ultraviolet),thermal oxygen aging and high-frequency freeze-thaw tests,and uses the splitting strength index to study the high-frequency freeze-thaw mechanism of asphalt pavements in the mountainous areas of the western Sichuan Plateau.The results show that aging has a great impact on high-frequency freeze-thaw,and the"UV+thermal oxygen aging+high-frequency freeze-thaw"method can simulate the most unfavorable damage situation of high-frequency freeze-thaw;the splitting strength of asphalt mixture decreases linearly with the increase of freeze-thaw times;compared with SBS modified asphalt mixture,rubber asphalt mixture can better resist high-frequency freeze-thaw damage.关键词
道路工程/高频冻融/破坏机理/紫外老化/橡胶沥青Key words
road engineering/high-frequency freeze-thaw/failure mechanism/UV aging/rubber asphalt分类
交通工程引用本文复制引用
王海朋,张晓华,杨晋,贺丞钧,万俊超..川西高原沥青路面高频冻融破坏机理研究[J].科技创新与应用,2025,15(7):58-62,5.基金项目
四川省交通运输科技项目(2022-A-2) （2022-A-2）
