REPAIR METHOD FOR CONCRETE

摘要

PROBLEM TO BE SOLVED: To provide a repair method for concrete for repairing concrete on which a crack developed due to delayed formation of an ettringite.SOLUTION: A repair method for concrete of the present invention includes the (A) and (B) steps below as required steps, and the step (C) below as an optional step: (A) a heating step in which concrete on which a crack has developed due to delayed formation of ettringite is heated to 70 to 150°C; (B) a permeation step in which a water-repellent agent and/or an impregnation agent is applied on or made to permeate into the heated concrete; and (C) a covering step in which the concrete permeated as above is covered using waterproof mortar or waterproof concrete.SELECTED DRAWING: None