In the current specifications, there are indexes used to assess asphalt aging-resistantperformance in short term only and there is no corresponding method to evaluate the aging in operation period.
在现行规范中只有评价沥青短期老化的指标，而在使用期间的老化却没有相应的评价方法。
2
High reinforced wear-resistant layer and special anti-dirty surface treatment enhance anti-aging and anti-dirty performance of the floor.