以下为句子列表：
英文: Fatigue property of lean concrete should be studied when the material is set as base course since it withstands the repeated actions of load stress and temperature stress.
中文: 摘要贫混凝土用于路面基层时，由于受到荷载应力和温度应力的反复作用，需研究其疲劳特性。
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英文: Lastly, with the fatigue equation, the paper establishes the fatigue stress coefficient which is used in the load stress calculation for lean concrete as undersurface of cement concrete pavement, and the structure coefficient of flexural tensile strength
中文: 利用得出的疲劳方程，建立贫混凝土作为水泥混凝土路面下面层荷载应力计算的疲劳应力系数，以及作为沥青路面基层时，进行层底弯拉应力验算的弯拉强度结构系数。
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