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Asphalt Pavement Fatigue Characteristic Analysis Considering the Semi-rigid Layer of Transverse Crack
Author(s): 
Pages: 162-166,171
Year: Issue:  2
Journal: Highway Engineering

Keyword:  半刚性层横向裂缝最大拉应力最大剪应力弯沉疲劳寿命;
Abstract: 采用有限元计算分析在无横向裂缝和有横向贯通裂缝两种工况条件下沥青路面的弯沉、沥青层最大拉应力和最大剪应力、半刚性层最大拉应力以及计算疲劳寿命,分析结果表明,考虑半刚性层存在横向贯通裂缝时,内部应力增加且计算疲劳寿命将大为降低.在提出高速公路沥青路面结构必要时应考虑存在裂缝的工况下进行验算.
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