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现有高等级公路的有效服务时间普遍末能达到其设计使用年限,常常在通车后两叁年内便出现了较为严重的破坏现象,所以研究沥青路面的破坏原因及防护具有特别重要的现实意义。
The effective service time of the existing high-grade highways generally can reach the designed service life at the end of the period, and the serious damage often occurs within two to three years after the traffic is opened. Therefore, it is of particular significance to study the causes and protection of asphalt pavement damage.