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高模量沥青混合料是通过提高混合料的模量来提高沥青路面的抗车辙能力,正在成为一种新型材料应用于路面结构中。现采用间接拉伸试验对高模量沥青混合料和一般改性沥青混合料在不同温度下的模量进行了对比,用多轮旋转加载车辙仪比较分析了它们的抗车辙能力,并将力学实验与路用性能试验结果联系起来,结果表明劲度模量的提高对高温抗车辙能力的增强有显著贡献。
High modulus asphalt mixture improves the anti-rutting ability of asphalt pavement by increasing the modulus of mixture, and is becoming a new type of material used in pavement structure. Indirect tensile test is used to compare the moduli of high modulus asphalt mixture and general modified asphalt mixture at different temperatures. The wheel rutting instrument is used to analyze the rutting resistance of them. The results of the experiment and road performance test are combined. The results show that the increase of stiffness modulus can make a significant contribution to the enhancement of rutting resistance at high temperature.