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粘度是沥青的流变技术指标,研究沥青的流度学性质与沥青的路用特性之间的关系,对粘稠沥青结合料工程性质的确定会有很好的作用和认识。目前已有一些国家(如美国、日本等)采用绝对粘度作为道路沥青材料的分级指标,而我国现行路用粘稠沥青材料的粘稠度技术指标主要是针入度(25℃、1/10mm)、软化点等,尚无粘度分级标
Viscosity is a rheological technical index of asphalt. The relationship between the fluidity properties of asphalt and the road characteristics of asphalt is studied. It has a good effect on the determination of engineering properties of viscous asphalt binder. At present, some countries (such as the United States and Japan) adopt absolute viscosity as the grading index of road asphalt material, while the viscous technical indicators of viscous asphalt material in current roads are mainly penetration (25 ℃, 1 / 10mm ), Softening point, etc., there is no viscosity grading