With the continuous increase in traffic frequency and load requirements of rural road pavements in China,various diseases such as cracks have appeared in many cement pavements,which affect the normal use of roads,making urgent upgrade of rural roads.Based on the ap-plication of ultra-thin asphalt overlays in the cement pavement upgrading project of Shangling Line in Yiwu,this paper proposes the gradation of ultra-thin asphalt mixture suitable for rural cement pavements,determines the appropriate combination structure and construction technolo-gy suitable for rural cement pavements,and verifies the adaptability of ultra-thin asphalt overlays in the rural cement pavement"white to black"transformation project.
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