摘要
冬季,为了保证道路的正常畅通,人们经常会使用除冰盐来清除沥青路面的冰,这样在水分和盐分的耦合作用下,沥青路面的路用性能会发生改变,但这方面的研究还很少。因此,根据华东地区的冬季气温,在清水和饱和氯化钠溶液中浸泡,研究不同温度和腐蚀耦合作用下沥青混凝土路用性能为提高沥青路面的使用年限和耐久性提供理论依据。试验结果表明在-5℃和15℃温度冻融循环作用下,随着冻融次数的增加,劈裂强度总体逐渐下降;相同的冻融次数作用下,在清水中浸泡的试件冻融劈裂强度大于在饱和氯化钠溶液中浸泡的试件的强度。
In winter,in order to ensure the normal smooth flow of road,people often use de-icing salt to clear the ice of the asphalt pavement.There is few research on the road performance＇s change of the asphalt pavement under the couple of water and salt.Therefore,according to the East China winter temperature,we soake the specimens in clean water and saturated sodium chloride solution and research the road performance under the different temperature and corrosion coupled that provide a theoretical basis for the durability and useful life of the asphalt pavement.The test results showed that under the effect of freeze-thaw cycles by-5 ℃ to 15 ℃,the splitting strength goes down as the number of times with the freeze-thaw increase;the tese pieces splitting strength that soaking in the water is more than those that soaking in the saturated solution of sodium chloride under the same freeze-thaw cycles.
出处
《硅酸盐通报》
CAS
CSCD
北大核心
2013年第5期952-956,共5页
Bulletin of the Chinese Ceramic Society
基金
住房和城乡建设部科学技术项目计划(2009-K5-22)
关键词
沥青混凝土
冻融循环
劈裂
氯化钠腐蚀
asphalt concrete
freeze-thaw cycles
splitting
sodium chloride corrosion
