Crack defensor backside water-blocking method injecting water-swellable acrylic composition: Fid-Bau Portal

Crack defensor backside water-blocking method injecting water-swellable acrylic composition

KIM GWAN SU

A crack defender backside water-blocking method for injecting a water-swellable acrylic composition according to the present invention is characterized by including: a cleaning step for cleaning a cracked portion of a structure; a drilling step for drilling the cracked portion to form an injection port; a primer injection step for injecting a primer containing ethylene vinyl acetate into the injection port; a crack repair agent injection step for injecting a crack repair agent containing polyacrylamide into the injection port; and a finishing step for finishing the surface of the structure into which the crack repair agent has been injected. According to the crack defender backside water-blocking method of injecting the water-swellable acrylic composition of the present invention, a primer is first injected into the injection port and then the crack repair agent is additionally injected so that excellent water-swelling performance can be exhibited up to the end of the crack portion, and at the same time, a water-swellable crack repair agent continuously maintains water-swelling performance even when additional leakage occurs, and can flexibly and elastically respond to deformation of a structure.

본 발명에 따른 수팽윤성 아크릴조성물을 주입하는 균열디펜서 배면 차수공법은, 구조물의 균열 부위를 세정하는, 세정 단계; 상기 균열 부위를 천공하여 주입구를 형성하는, 천공 단계; 상기 주입구에 에틸렌비닐아세테이트(ethylene vinyl acetate)를 포함하는 프라이머를 주입하는, 프라이머 주입 단계; 상기 주입구에 폴리아크릴아마이드(polyacrylamide)를 포함하는 균열보수재를 주입하는, 균열보수재 주입 단계; 상기 균열보수재가 주입된 구조물의 표면을 마감하는, 마감 단계;를 포함하는 것을 특징으로 한다. 본 발명의 수팽윤성 아크릴조성물을 주입하는 균열디펜서 배면 차수공법에 따르면, 프라이머를 주입구에 먼저 주입하고 균열보수재를 추가 주입하여 균열 부위의 끝단까지 우수한 차수성을 나타낼 수 있도록 함과 동시에, 수팽윤성을 지닌 균열보수재가 추가적인 누수 발생 시에도 수팽윤성을 지닌 균열보수재가 지속적으로 차수성능을 유지시키고, 구조물의 변형에도 유연하게 탄성 대응할 수 있다.

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