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对不同沥青品种、不同级配类型的十种沥青混合料进行了劈裂蠕变试验,分析了蠕变破坏过程中的能量损失规律。应用能量耗散理论分析蠕变累积能耗与应力水平关系,为用蠕变试验结果预测沥青混合料疲劳性能及建立损伤破坏统一模型奠定基础。
Ten kinds of asphalt mixtures of different asphalt varieties and different grading types were subjected to splitting creep test, and the law of energy loss during creep failure was analyzed. The energy dissipation theory is used to analyze the relationship between cumulative creep energy consumption and stress level, which lays a good foundation for predicting the fatigue behavior of asphalt mixture and establishing a unified model of damage damage by creep test results.