论文部分内容阅读
对煤沥青、石油道路沥青和橡胶改性煤沥青等样品的族组成进行了系统分析，测定了各样品的性质，结合老化过程中族组成和宏观性质的变化，研究了族组成和宏观性质之间的关系，探讨了橡胶改性煤沥青中各族组分的作用和变化规律。研究结果表明煤沥青经过改性可以作为道路沥青使用．
The family compositions of coal tar pitch, petroleum road asphalt and rubber modified coal tar pitch were systematically analyzed. The properties of each sample were determined. The composition and macroscopic properties The relationship between the various components of the rubber modified coal tar in the role and changes. The results show that coal tar pitch can be used as road asphalt after being modified.