PURPOSE: A method of repairing a soil dam is provided to enable the soil dam to be repaired without destroying the entire soil dam. CONSTITUTION: A surface to be repaired is adjusted by the excavation of the upper part of a soil dam(S20). A plurality of piles are installed on the first horizontal portion of the surface(S30). A plurality of stud pins are installed on a second horizontal portion. Shotcrete is placed on the surface(S40). A foundation portion is formed. A plurality of anchors are installed on the slope of the surface. A plurality of walls are consecutively installed (S50). Soil is filled between the wall and the foundation portion(S60). A waterproof surface is formed on the surface of a filling material(S70).
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