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首先，论文分析了半刚性基层沥青路面疲劳裂缝的形成机理。
Firstly, the paper analysed the formation mechanism of the fatigue crack in asphalt pavement with semi-rigid base.
我国目前存在半刚性基层沥青路面结构设计和材料设计脱节的问题。
There is a problem that structure design and materials design are disjointed about the asphalt pavement with semi-rigid base in our country.
以半刚性基层沥青路面为对象，研究了路面的应力应变模型和计算方法。
Regarding semi rigid base asphalt concrete road as the main object, the model of road stress and strain and their calculating method were studied in the paper.
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