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J. Korean Ceram. Soc. > Volume 47(5); 2010 > Article
Journal of the Korean Ceramic Society 2010;47(5): 373.
doi: https://doi.org/10.4191/kcers.2010.47.5.373
내구성 향상을 위하여 단열성능이 부여된 단면복구 MORTAR의 물성
강현주, 나승현, 송명신, 정의담1, 서병돌2
강원대학교 삼척캠퍼스 화학공학연구소
1충북대학교 도시공학과
2(주)세기하이테크
The Properties of Restorative Cement Mortar with Insulation Performance for Improvement of Durability
Hyun-Ju Kang, Seung-Hyun Na, Myong-Shin Song, Eui-Dam Jeong1, Byung-Dol Seo2
Research Institute of Chemical Engineering, Kangwon National University
1Doctoral Program Completion and Department of Orban Planning Chungbuk University
2Segi-Hightech Building
ABSTRACT
In this study, we studied on the durability of restorative cement mortar for deteriorated concrete at complex deteriorated conditions as variation of temperature and of humidities. We made a comparison between restorative materials with insulation function and restorative materials without insulation function in items of compressive and bending strength and permeability of water, durability for carbonation, salt damage, diffusion coefficient of salt at complex deterioration conditions like change of temperature, change of humidity, For insulation, we used close-pore type Alumino-Silicate lightweight aggregate and substituted 12 wt% and 15 wt% out of original restorative cement mortar without insulation function. As a result, it was found that original restorative cement mortar without insulation function fail to meet Korean Standard on polymer modified cement mortar for maintenance in concrete structure, but restorative cement mortar with insulation function is in contentment Korean Standard to meet excellent than restorative materials without insulation function for durability at complex deteriorated conditions.
Key words: Durability, Insulation performance, Repair mortar, Lightweight aggregate
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