摘要
采用室内实验模拟不同荷载谱作用下沥青混合料的抗剪切疲劳特性.使用强度退化模型预估随机荷载谱下的沥青混合料剪切疲劳寿命,其结果与实验结果相近.验证了这一模型可为路面使用性能的预测及优化养护决策提供参考.
Experiments were adopted to simulate shear fatigue performance of asphalt mixture under different loading spectrum. Strength degradation model is applied for predicting shear fatigue life of asphalt mixture under random loading spectrum. The result shows the model is reasonable and practicable. So the research can provide a basic reference for pavement performance prediction and optimization of maintenance decision.
出处
《长沙交通学院学报》
2008年第4期32-37,51,共7页
Journal of Changsha Communications University
基金
国家杰出青年科学基金资助项目(50325825)
关键词
随机荷载
剪切疲劳寿命
强度退化
random load
shear fatigue life
strength degradation
