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나노합성 나일론 섬유 무기질 폴리머 보강제를 적용한 콘크리트의 내구성 평가에 관한 실험적 연구
백종명(Baek Jong-Myeong),장석재(Jang Seog-Jae) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
A concrete structure can be deteriorated by ingress of outside moisture and aggressive agents. To maintain the sound performance of concrete structure during the service life, it needs to protect concrete from ingress of outside moisture and aggressive agents before arising deterioration of concrete. The protection of concrete is possible by surface treatment. In this study, the nano-composite nylon fiber inorganic polymer reinforcing agent based coatings which can provide a barrier against the ingress of outside moisture or aggressive ions to concrete is discussed. For the durability evaluation of the coatings, chloride penetration test, accelerating carbonation test, freezing and thawing test, and surface ponding test are conducted. As the result of this study, the concrete applied the nano-composite nylon fiber inorganic polymer reinforcing agent based coatings has had a much higher resistance to the ingress of chloride ion, carbon dioxide, outside moisture and aggressive acid than plain concrete and concrete structure with epoxy resin based paint by means of cross-linking three-dimensional structure.
터널 콘크리트 구조물 균열에 에폭시 주입의 표준화에 대한 기초적 연구
백종명(Back Jong-Myeong),장석재(Jang Seog-Jae) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
In this status no inspection standard of quality in repair of present concrete structure has a problem to repair for simple experience. In this paper for this problem improvement, it made an analysis of relation to injection quantity of crack width, injection time of crack width, injection pressure of crack width, injection pressure and time, injection quantity of structural size, injection quantity of structural individual crack position, injection time about crack width and structural thickness. The data gained in analysis result be judged that it will help in systematic quality control about concrete structural repair.
기능성 나노복합 무기질 활성탄계 표면 처리제를 적용한 콘크리트의 내구성능 평가에 관한 실험적 연구
백종명(Baek Jong-Myeong),양기영(Yang Gi-Young),장석재(Jang Seog-Jae) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
Concrete structure can be deteriorated by ingress of moisture and aggressive agents. To maintain the sound performance of concrete structure during the service life, it needs to protect concrete from ingress of moisture and aggressive agents before arising deterioration of concrete. Protection of concrete is possible by surface treatment. In this study, durability of the functional nano composite inorganic activated carbon based coatings which can provide a barrier against the ingress of moisture or aggressive ions to concrete is discussed. For the durability evaluation of the coatings, fine void structure evaluation test, chloride penetration acceleration test, accelerated carbonation test, freezing and thawing test, and the accelerated test of chemical erosion are conducted. As the result of this study, the functional nano composite inorganic activated carbon based coatings which became one formed complex compound with adsorption and porosity on concrete surface, had an effect on the function of far infrared radiation, antimicrobial action, air cleaning, airing assurance, and the interception of moisture of deterioration factor, chloride ion, carbon dioxide, sulfate, and so on.