摘要
针对SMA沥青玛蹄脂碎石,通过变化吸水率、纤维类型、4.75mm通过率和油石比4项因素来分析VMA变化对混合料路用性能的影响。结果表明:VMA值对SMA路用性能影响显著,当VMA值在16.7%以上时,SMA混合料体现出的高低温性能和水稳定性均较好。试验结果可为工程试验人员提供一定的借鉴。
In regard to Stone Mastic Asphalt （SMA）, the impact of VMA on the road performance of asphalt mixture was analyzed by changing four factors, including water absorption, fiber type, passing rate of 4.7 mm sieve and asphalt-aggregate ratio. The results indicate that the VMA＇s impact on road performance of SMA is noticeable, and when the VMA reaches 16.7% and above, SMA mixture shows good water stability and performance at high and low temperature. The results can be referred to by test personnel in projects.
出处
《筑路机械与施工机械化》
北大核心
2015年第3期50-53,共4页
Road Machinery & Construction Mechanization
