According to the situation of cement concrete road opened to traffic in China, many parts have damaged, such as cracks, broken plates,subsidence, dislocation and so on.This paper only analyzes and summarizes causes and preventive maintenance of damage to rigid pavement.%根据我国已建成通车的水泥砼公路使用情况看,有相当部分破坏,如开裂、断板、沉陷、错台等.这里仅对刚性路面板破坏的成因及其预防养护做一下分析总结.
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