Hydraulic concrete traceless crack repairing structure

The utility model belongs to the technical field of concrete construction, aims to solve the technical problems that in the prior art, the crack repairing cost is high, and secondary cracking is prone to occurring after crack repairing, and provides a hydraulic concrete traceless crack repairing structure which comprises a concrete base material and a crack formed in the concrete base material. The bottom of the crack is provided with a grouting layer with adjustable viscosity, the top of the crack is provided with a V-shaped groove, the V-shaped groove is filled with a first repairing material layer, the top of the V-shaped groove is coated with a second repairing material layer which is consistent with the concrete base material in color and appearance, and the top surface of the second repairing material layer is flush with the top surface of the concrete base material. The hydraulic concrete traceless crack repairing structure has the advantages of being low in crack repairing cost and free of secondary c