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本文结合北京地区某工程,对沥青混凝土面板在温度应力往复作用下的疲劳特性进行了试验.采用应变区分法(SRP)和应变能区分法(SEP)对试验结果进行了分析;探讨了疲劳寿命与弯曲应力、应变和应变能的关系,并对面板的疲劳寿命进行了预测.
In this paper, the fatigue properties of asphalt concrete slab subjected to the reciprocating action of temperature stress are tested in combination with a project in Beijing area. The results of the test are analyzed by the strain differentiation method (SRP) and the strain energy differentiation method (SEP); the fatigue life is discussed. Relationship with bending stress, strain and strain energy, and predicting the fatigue life of the panel.