【摘要】 从天然沥青的生成特点出发,研究了其对道路石油沥青的改性机理及路用性能,并指出它同热塑性弹性体类相比具有良好的性能价格比,是适合我国国情的沥青改性材料。更多还原

【Abstract】 According to the characteristics of natural asphalt,the author studies its mechanism on road petroleum asphalt’s modification and its performance,and points out that it has well price-performance-ratio compared with thermoplastic elastomer and it fits for the situation of our country.更多还原