This paper expounds the common disease types and causes of bituminous pavement in arterial highway and researches the ways to strenghen the preventive maintenance technology of bituminous pavement of arterial highway.%本文阐述了干线公路沥青路面常见病害类型及成因，针对加强干线公路沥青路面预防性养护技术进行详细探究。
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