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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.21 No.4
- 발행연도
- 2018.1
- 수록면
- 419 - 429 (11page)
이용수
초록· 키워드
오류제보하기
Climate changes, such as increasing of CO2 concentration and global warming, will impact on the carbonation service life of concrete structures. Moreover, slag blended concrete has a lower carbonation resistance than control concrete. This study presents a probabilistic numerical procedure for evaluating the impact of climate change on carbonation service life of slag blended concrete. This numerical procedure considers both corrosion initiation period and corrosion propagation period. First, in corrosion initiation period, by using an integrated hydration-carbonation model, the amount of carbonatable substances, porosity, and carbonation depth are calculated. The probability of corrosion initiation is determined through Monte Carlo method. Second, in corrosion propagation period, a probabilistic model is proposed to calculate the critical corrosion degree at surface cracking, the probability of surface cracking, and service life. Third, based on the service life in corrosion initiation period and corrosion propagation period, the whole service life is calculated. The analysis shows that for concrete structures with 50 years service life, after considering climate changes, the service life reduces about 7%.
목차
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참고문헌 (32)
참고문헌 신청
Bastidas-Arteaga, E. / 2013 / Influence of global warming on durability of corroding RC structures: A probabilistic approach / Eng. Struct. 51:259~266
Bentz, D.P. / 2005 / CEMHYD3D: A Three-Dimensional Cement Hydration and Microstructure Development Modeling Package, Version 3.0, NISTIR 7232
Bentz, D.P. / 1997 / Incorporation of Fly Ash into a 3-D Cement Hydration Microstructure Model, NISTIR 6050
Damtoft, J.S. / 2008 / Sustainable development and climate change initiatives / Cement Concrete Res. 38(2):115~127
FIB / 2006 / Model Code for Service Design / International Federation of Structural Concrete
Bentz, D.P. / 2005 / CEMHYD3D: A Three-Dimensional Cement Hydration and Microstructure Development Modeling Package, Version 3.0, NISTIR 7232
Bentz, D.P. / 1997 / Incorporation of Fly Ash into a 3-D Cement Hydration Microstructure Model, NISTIR 6050
Damtoft, J.S. / 2008 / Sustainable development and climate change initiatives / Cement Concrete Res. 38(2):115~127
FIB / 2006 / Model Code for Service Design / International Federation of Structural Concrete
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