摘要
通过测试缓粘沥青在不同温度条件下的粘度和降温速率来揭示缓粘特性的宏观作用机理,并通过红外光谱和差示扫描热量微观作用机理测试验证缓粘特性。结果表明:缓粘沥青可以降低沥青的高温粘度,增加低温粘度,延长此种沥青混合料在施工阶段的有效碾压时间,保证其使用性能。
The macro mechanism of slow curing characteristic was revealed by testing the viscosity and tem- perature drop ratio of slow-curing asphalt under different temperatures, and the microscopic mechanism was verified with infrared spectrum and differential scanning. The results indicate that the slow-curing asphalt can lower the high-temperature viscosity, improve the low-temperature, extend the effective compaction time of asphalt mixture and guarantee its performance.
出处
《筑路机械与施工机械化》
2012年第5期43-46,共4页
Road Machinery & Construction Mechanization
基金
新世纪教育部优秀人才计划(NCET-08-0750)
吉林省交通厅交通科技项目(2009-1-6)
关键词
缓粘沥青
缓粘特性
作用机理
使用性能
slow-curing asphalt
slow-curing characteristic
working mechanism
application performance
