Asphaltic sand water retaining belt repairing and heightening construction process

The invention relates to an asphaltic sand water retaining belt repairing and heightening construction process, and belongs to the technical field of water retaining belt construction. The process comprises the following steps: step a, conducting raw material detection and target ratio optimization; step b, mixing and transporting asphaltic sand; c, carrying out construction lofting, and drawing a walking indication line on a surface layer according to measurement marks; step d, cleaning a water retaining belt at the position needing to be constructed, and subjecting the disease position section of the water retaining belt and the front and rear position sections of the disease position to chiseling treatment and cleaning; step e, a using a repairing device for repairing the water retaining belt along the walking indication line; step f, conducting water blocking belt joint treatment; and step g, detecting the quality of the asphaltic sand water retaining belt. The method has the advantages that the water ret