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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.25 No.5
- 발행연도
- 2020.1
- 수록면
- 447 - 460 (14page)
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This paper deals with the characteristics of reinforcement corrosion in concrete beams under the influence of sustained loads. The evolution and distribution laws of the reinforcement corrosion were measured periodically over time. The results show that sustained load exhibits a pronounced exacerbating effect on the reinforcement corrosion, and enlarges the nonuniformity level of corrosion as the load level increases. Accompanied with the continuous formation of the rust, the corrosion rate was also observed to be highly nonlinear and time-dependent. Moreover, to visually and quantitatively analyze the distribution of reinforcement corrosion, the 3D scanning technology combined with the probability statistics analysis was adopted, and the observed nonuniformity can be well described by the Gumbel distribution. Finally, an approach based on the three-phase spherical model was proposed to estimate the reinforcement corrosion, taking account of the effects of sustained load on the changes of concrete porosity and oxygen diffusivity.
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참고문헌 (66)
참고문헌 신청
Shamsad Ahmad / 2003 / Reinforcement corrosion in concrete structures, its monitoring and service life prediction––a review / Cement and Concrete Composites 25(4-5):459~471
Abdullah A. Almusallam / 1996 / Effect of reinforcement corrosion on bond strength / Construction and Building Materials 10(2):123~129
Zahra Amalia / 2018 / Development of simulation method of concrete cracking behavior and corrosion products movement due to rebar corrosion / Construction and Building Materials 190:560~572
C. Andrade / 2004 / Test methods for on-site corrosion rate measurement of steel reinforcement in concrete by means of the polarization resistance method / Materials and Structures 37(9):623~643
Architectural Institute of Japan / 2016 / Recommendations for Durability Design and Construction Practice of Reinforced Concrete Buildings / Architectural Institute of Japan
Abdullah A. Almusallam / 1996 / Effect of reinforcement corrosion on bond strength / Construction and Building Materials 10(2):123~129
Zahra Amalia / 2018 / Development of simulation method of concrete cracking behavior and corrosion products movement due to rebar corrosion / Construction and Building Materials 190:560~572
C. Andrade / 2004 / Test methods for on-site corrosion rate measurement of steel reinforcement in concrete by means of the polarization resistance method / Materials and Structures 37(9):623~643
Architectural Institute of Japan / 2016 / Recommendations for Durability Design and Construction Practice of Reinforced Concrete Buildings / Architectural Institute of Japan
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