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J. Korean Ceram. Soc. > Volume 47(4); 2010 > Article
Journal of the Korean Ceramic Society 2010;47(4): 276.
doi: https://doi.org/10.4191/kcers.2010.47.4.276
Silicate계 콘크리트 함침제 도포에 따른 부착특성 및 공극변화
송훈, 추용식, 이종규, 임영철1
한국세라믹기술원 그린세라믹본부
1대구가톨릭대학교 건축학부
Adhesion Characteristic and Porosity Change of Alkali Silicate Impregnant of Concrete
Hun Song, Yong-Sik Chu, Jong-Kyu Lee, Young-Chul Lim1
Green Ceramics Division, Korea Institute of Ceramic Engineering & Technology
1Department of Architecture, Catholic University of Daegu
There are the impregnating layer formation by surface protective materials or impregnants and the adhesion method by polymer, FRP sheet or steel plate in the surface protective method of concrete structure. The surface impregnation method by impregnants improves the durability of concrete structure by modifying the structure of the concrete surface and also have a merit that can be shortly applied in place without the decrease of concrete surface appearance and is easily applied again. This study is interested in manufacturing the concrete surface impregnants including lithium and potassium silicate for the repair of the exposed concrete and the color concrete requiring the advanced function in view of the concrete appearance. The durability and porosity properties was tested for the review of application. The result of this study show that the effective content of silicate ranges 5 to 20% and the separate application of the first impregnant and the second impregnant is effective for the optimum performance. The adhesion in tension is slightly increased but the reinforcement of concrete substrate is slight. So, the concrete impregnant of this study is more desirable for the improvement of durability rather than the reinforcement.
Key words: Alkali silicate, Porosity change, Impregnant, Concrete, Durability
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