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논문 기본 정보

자료유형
학술저널
저자정보
Kainuma, Shigenobu (Department of Civil Engineering, Kyushu University) Yamamoto, Yuya (Planning Department, Japan Expressway Holding and Debt Repayment Agency) Ahn, Jin-Hee (Department of Civil Engineering, Gyeongnam National University of Science and Technology) Jeong, Young-Soo (Seismic Simulation Test Center, Pusan National University)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제65권 제2호
발행연도
2018.1
수록면
191 - 201 (11page)

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The corrosion environments in a steel structure are significantly different depending on the individual parts of the members. To ensure the safety of weathering steel structures, it is important to evaluate the time-dependent corrosion behavior. Thus, the progress and effect of corrosion damage on weathering steel members should be evaluated; however, the predicted corrosion depth, which is affected by the corrosion environment, has not been sufficiently considered until now. In this study, the time-dependent thicknesses of the corrosion product layer were examined to quantifiably investigate and determine the corrosion depth of the corroded surface according to the exposure periods and corrosion environments. Thus, their atmospheric exposure tests were carried out for 4 years under different corrosion environments. The relationship between the thickness of the corrosion product layers and mean corrosion depth was examined based on the corrosion environment. Thus, the micro corrosion environments on the skyward and groundward surfaces of the specimens were monitored using atmospheric corrosion monitor sensors. In addition, the evaluated mean corrosion depth was calculated based on the thickness of the corrosion product layer in an atmospheric corrosion environment, and was verified through a comparison with the measured mean corrosion depth.

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