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加载频率对沥青混合料的疲劳寿命影响较大,根据低加载频率的疲劳试验来模拟材料的温度疲劳, 运用耗散能相关理论来分析沥青混合料的温度疲劳损伤,并进行损伤力学的分析。
The loading frequency has a great influence on the fatigue life of asphalt mixture. According to the fatigue test with low loading frequency, the temperature fatigue of material is simulated. The temperature fatigue damage of asphalt mixture is analyzed by the theory of dissipative energy, and the damage mechanics analysis is carried out.