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基于室内试验的方法对稳定型橡塑改性沥青混合料的设计参数进行研究,分析稳定型橡塑改性沥青混合料抗拉强度、抗剪强度、动态模量、疲劳性能的特性,结合数理统计的方法计算稳定型橡塑改性沥青混合料设计参数的置信区间。结果表明:稳定型橡塑改性沥青混合料的各项设计参数指标基本相当甚至优于SBS改性沥青混合料,表明具有着良好的技术性能。
Based on the laboratory test, the design parameters of stabilized rubber-modified asphalt mixture were studied. The properties of tensile strength, shear strength, dynamic modulus and fatigue properties of stabilized rubber-modified asphalt mixture were analyzed. The statistical method is used to calculate the confidence interval of design parameters of stable rubber-modified asphalt mixture. The results show that the design parameters of the stabilized rubber-modified asphalt mixture are basically the same or even better than the SBS modified asphalt mixture, indicating that they have good technical performance.