水泥混凝土路面开裂过程研究

水泥混凝土路面在低应力水平状态下开裂破坏的问题非常突出。该文应用断裂力学、损伤力学和路面疲劳破坏的基本原理，重点对水泥混凝土路面的开裂过程进行分析，提出了混凝土路面开裂破坏的3个阶段及其之间的关系，并阐述各个阶段裂纹形成和板断裂破坏的原因及机理，为路面抗裂研究提供依据。

Study on Cracking Process of Cement Concrete Pavement

The crack wreck of cement concrete pavement under horizontal low stress condition is a very outstanding problem. This paper, which uses the primary principle of fracture mechanics, damage mechanics and pavement fatigue wreck, analyses emphatically the crack process of cement concrete pavement and puts forward three stage of cement concrete pavement's crack wreck and their relations. According to above analysis, this paper elaborates the reason and mechanism of the crack produce of each stage and pavement break wreck, which provides proof for the study of pavement anti cracking.