水泥混凝土路面是适应载重大、速度高、密度大的车辆运输需要的高等级路面,具有强度高、稳定性好、耐久性好、养护费用少、经济效益高等诸多优点,因而在许多省市广泛应用。但随着水泥混凝土路面的发展,该类型路面的许多病害也逐渐体现出来,混凝土板的裂缝作为其主要病害之一,日益引起人们的关注。 Cement concrete pavement is a kind of high-grade pavement which is suitable for vehicle transportation with large load, high speed and high density. It has many advantages such as high strength, good stability, good durability, less maintenance cost and high economic benefits. Therefore, it is widely used in many provinces and cities application. However, with the development of cement concrete pavement, many diseases of this type of pavement are also gradually manifested. As one of the main diseases, the crack of concrete slab has aroused people’s attention day by day.