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철근의 부식량 비파괴 측정기법 개발을 위한 적외선 열화상 DB구축
백인관(Paik In-Kwan),성진경(Sung Jin-Kyung),조승호(Cho Seung-Ho),정란(Chung Lan) 한국구조물진단유지관리학회 2003 한국구조물진단학회 학술발표회논문집 Vol.- No.-
Corrosion of reinforcing bars in concrete structures influences lifespan negatively and makes losses. In order to make longer lifespan and prevent losses, a qualitative measurement technique which can measure the extent of corrosion of reinforcing bar need to be developed. The purpose of this study is to develope technique to measure corrosion of reinforcing bars using infrared thermal photography graphic data. The result of experimental study shows that a test body emits stronger infrared thermal distribution on concrete surface which contains relatively more corroded reinforcing bar.
철근의 부식량 비파괴 측정기법 개발을 위한 적외선 열화상 DB구축
백인관 ( Paik In-kwan ),성진경 ( Sung Jin-kyung ),조승호 ( Cho Seung-ho ),정란 ( Chung Lan ) 한국구조물진단유지관리공학회 2003 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.7 No.1
Corrosion of reinforcing bars in concrete structures influences lifespan negatively and makes losses. In order to make longer lifespan and prevent losses, a qualitative measurement technique which can measure the extent of corrosion of reinforcing bar need to be developed. The purpose of this study is to develope technique to measure corrosion of reinforcing bars using infrared thermal photography graphic data. The result of experimental study shows that a test body emits stronger infrared thermal distribution on concrete surface which contains relatively more corroded reinforcing bar.
적외선 열화상 처리기법을 이용한 철근 부식률 비파괴 측정기법(Ⅱ)
백인관(Paik In-Kwan),조승호(Cho Seung-Ho),정란(Chung Lan) 대한건축학회 2005 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.25 No.1(구조계)
Corrosion of reinforcing bars embedded in concrete structures influences lifespan negatively and makes losses. In order to make longer lifespan and prevent losses, a qualitative measurement technique which can measure the corrosion level of reinforcing bar need to be developed. The purpose of this study is to develope the technique to measure the corrosion of reinforcing bars using infrared thermal photography graphic data. The result of experimental study shows that a test body emits stronger infrared thermal distribution on concrete surface which contains relatively more corroded reinforcing bar. Based on the infrared thermography database which constructed by the atmosphere temperature and concrete cover depth and many other test parameters, a qualitative corrosion evaluation can be made by comparing laboratory test results and the real site test results.
적외선 열화상 데이터를 이용한 초기온도 상승률에 따른 철근의 부식률 예측 기법
유주영,백인관,조승호,노영숙,정란,Yun,Ju-Young,Paik,In-Kwan,Cho,Seung-Ho,Roh,Young-Sook,Chung,Lan 한국방재학회 2007 한국방재학회 학술발표대회논문집 Vol.2007 No.1
In order to measure corrosion level of reinforcement rebar which is inside reinforced concrete structure, infrared thermographic technique was employed. Experimental test parameters were ambient temperatures, various levels of corrosion states. After analysis of temperature distributions of concrete surface, the amount of heat flux from the concrete surface is directly proportional to the corrosion level which is inside of concrete.
적외선 열화상데이터를 이용한 철근 부식량 비파괴측정기법
정란 ( Chung Lan ),백인관 ( Paik In-kwan ),성진경 ( Sung Jin-kyung ) 한국구조물진단유지관리공학회 2002 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.6 No.1
On account of chlorides, the demage of reinforcing concrete structures is getting severely increased. In order to increase the term of existence of the reinforcing concrete structures by measuring the extent of the corrosion of the reinforcing bar and repairing properly, the infrared thermal data were used to introduce the quantitative way of measuring the extent of reinforcing bar corrosion. After making a proper test body with some decay, and giving heat on the reinforcing bar in the test body, infrared thermal data of the concrete surface were measured. As a result, when the extent of corrosion increases, the temperature of the reinforcing bar increases. On the other hand, when the extent of corrosion increases, the corrosion makes the temperature of the concrete body surface become lower.