摘要
采用单轴压缩动态模量试验研究了玻璃纤维格栅对AC-16沥青混凝土性能的影响,采用Sigmoidal模型对动态模量主曲线进行拟合分析。试验结果表明格栅具有提高沥青混凝土的高温动态模量、降低相位角的效果,有助于提高沥青路面的高温抗车辙性能。Sigmoidal模型拟合结果与动态模量主曲线具有很好的相关性,可很好的解释模量对频率的依赖性。
The effect of grid reinforcement on dynamic property of asphalt concrete was investigated. The master curve of dynamic modulus was fitted by means of Sogmoidal model. The test results showed that grid reinforcement had an influence on increasing dynamic modulus and reducing phase angle at high temperature,which is helpful to improve the rutting resistance of asphalt pavements. The fitting of Sogmoidal model had a good correlation with dynamic modulus, indicating that the model was capable to explain the frequency dependency.
出处
《建材世界》
2013年第5期19-23,共5页
The World of Building Materials
关键词
格栅
沥青混合料
动态响应
模型拟合
grid
asphalt mixture
dynamic response
model regression
