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通过气动伺服诺丁汉沥青材料试验仪 NU- 14研究不同沥青材料及不同防裂措施的抗疲劳能力 ,采用有限单元法计算沥青混凝土面层荷载应力和温度应力 ,分析了反射裂缝的产生机理和不同防裂措施的作用机理
The fatigue resistance of different asphalt materials and different crack-prevention measures was studied by NU-14, a pneumatic servo test of Nottingham asphalt material. The finite element method was used to calculate the load stress and temperature stress of asphalt concrete surfacing. Mechanism of the action of the crack