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염해 열화된 콘크리트 구조물의 단면복구용 보수재료의 정량적 성능 기준 설정 및 최적선정 모델링
도정윤 ( Do Jeong-yun ),김두기 ( Kim Doo-kie ),송훈 ( Song Hun ),소승영 ( So Seung-young ),소양십 ( Soh Yang-seob ) 한국구조물진단유지관리공학회 2007 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.11 No.2
The durability of concrete repairs depends mainly on the correct choice and use of repair materials. Some studies related to the selection of repair materials are advocating as a fundamental principle, that is, repair like with like. This is, however, very illogical and not an engineering approach. This study is interested in configuring the minimum performance criteria and modeling the optimal selection of repair materials for chloride-deteriorated concrete structure. As the result of the study, the useful evaluation equation for optimal repair selection was formulated as below. [(0.034×R21)+(0.142×R22)+(0.240+R23)]+[(0.128×R24)+(0.033×R25)+(0.075+R26)+(0.01×R27)+(0.01+R28)+(0.024+R29)] The variables in this equation are divided into two parts, the required chemical performance and the required physical performance, respectively. The former is composed of alkali-resistance, chloride permeability and electrical resistivity. The latter is composed of compressive strength, tensile strength, adhesive strength, drying shrinkage, elasticity and thermal expansion.