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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.15 No.3
- 발행연도
- 2015.3
- 수록면
- 411 - 436 (26page)
이용수
초록· 키워드
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In this work, a comprehensive approach to model the structural behaviour of Reinforced Concrete (RC) beams subjected to reinforcement corrosion is proposed. The coupled environmental ? mechanical damage model developed by some of the authors is enhanced for considering the main effects of corrosion on concrete, on composite interaction between reinforcement bars and concrete and on steel reinforcement. This approach is adopted for reproducing a set of experimental tests on RC beams with different corrosion degrees. After the simulation of the sound beams, the main parameters involved in the relationships characterizing the effects of corrosion are calibrated and tested, referring to one degraded beam. Then, in order to validate the proposed approach and to assess its ability to predict the structural response of deteriorated elements, several corroded beams are analyzed. The numerical results show a good agreement with the experimental ones: in particular, the proposed model properly predicts the structural response in terms of both failure mode and load-deflection curves, with increasing corrosion level.
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참고문헌 (42)
참고문헌 신청
Bertagnoli, G. / 2006 / Bond deterioration due to corrosion and actual bearing capacity / FIB 2nd International Congress
Berto, L. / 2014 / A coupled damage model for r.c. structures, proposal for a frost deterioration model and enhancement of mixed tension domain / Constr. Build. Mater. 65:310~320
Berto, L. / 2008 / Numerical modelling of bond behaviour in RC structures affected by reinforcement corrosion / Eng. Struct 30:1375~1385
Bhargava, K. / 2007 / Corrosion-induced bond strength degradation in reinforced concrete - Analytical and empirical models / Nuc. Eng. Des. 237:1140~1157
Biondini, F. / 2012 / Damage modeling and nonlinear analysis of concrete bridges under corrosion / Roc. of 6th International Conference on Bridge Maintenance :949~957
Berto, L. / 2014 / A coupled damage model for r.c. structures, proposal for a frost deterioration model and enhancement of mixed tension domain / Constr. Build. Mater. 65:310~320
Berto, L. / 2008 / Numerical modelling of bond behaviour in RC structures affected by reinforcement corrosion / Eng. Struct 30:1375~1385
Bhargava, K. / 2007 / Corrosion-induced bond strength degradation in reinforced concrete - Analytical and empirical models / Nuc. Eng. Des. 237:1140~1157
Biondini, F. / 2012 / Damage modeling and nonlinear analysis of concrete bridges under corrosion / Roc. of 6th International Conference on Bridge Maintenance :949~957
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