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논문 기본 정보

자료유형
학술저널
저자정보
Jin-A Jeong (Korea Maritime & Ocean University) Chung-Kuk Jin (Texas A&M University) Jin Uk Lee (Korea Maritime and Ocean University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제39권 제8호
발행연도
2015.10
수록면
828 - 832 (5page)

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초록· 키워드

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This study is conducted for the evaluation of corrosion and lifetime prediction of fire extinguishing pipelines in residential buildings. The fire extinguishing pipeline is made of carbon steel. Twenty-four samples were selected among all the fire extinguishing pipelines in a building; the selection was based on specimenspositions, pipeline diameters, and pipeline thickness. Analysis was conducted by using the results of visual inspection, electrochemical potentiodynamic anodic polarization test, pitting depth measurements, and extreme value statistics with the Gumbel distribution. The maximum pitting depth and remaining life were statistically predicted using extreme value statistics. During visual inspection, pitting corrosion was observed in several samples. In addition, extreme value statistics demonstrated that there were several pipelines that were very sensitive to pitting corrosion. However, the pitting corrosion was not critical in all the pipelines; thus, it was necessary to change only those pipelines that were severely corroded.

목차

Abstract
1. Introduction
2. Experimental Method
3. Experimental Results
4. Conclusion
Reference

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UCI(KEPA) : I410-ECN-0101-2016-559-002090214