Affected by various internal and external factors,asphalt concrete pavement is prone to different degrees of damage.In view of this,this paper takes a secondary highway as the research object to investigate its initial damage types.Subsequently,the characteristics of initial damage such as cracks,ruts,oil spill,and internal looseness are analyzed,and the initial damage mechanism of asphalt pavement is elaborated from both qualitative and quantitative aspects.The research results can provide a theoretical basis for the construction and maintenance of asphalt pavement.
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