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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.4
- 발행연도
- 2019.1
- 수록면
- 479 - 489 (11page)
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초록· 키워드
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The corrosion of reinforcement leads to a gradual decay of structural strength and durability. Several models for crack occurrence prediction and crack width propagation are investigated in this paper. Analytical and experimental models were used to predict the bond strength in the period of corrosion propagation. The manner of flexural strength loss is calculated by application of these models for different scenarios. As a new approach, the variation of the concrete beam neutral axis height has been evaluated, which shows a reduction in the neutral axis height for the scenarios without loss of bond. Alternatively, an increase of the neutral axis height was observed for the scenarios including bond and concrete section loss. The statistical properties of the parameters influencing the strength have been deliberated associated with obtaining the time-dependent bending strength during corrosion propagation, using Monte Carlo (MC) random sampling method. Results showed that the ultimate strain in concrete decreases significantly as a consequence of the bond strength reduction during the corrosion process, when the section reaches to its final limit. Therefore, such sections are likely to show brittle behavior.
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참고문헌 (35)
참고문헌 신청
2011 / ACI 318, Building code requirements for structural concrete and commentary / American Concrete Institute
Mohammed A. Al-Osta / 2018 / Finite element modeling of corroded RC beams using cohesive surface bonding approach / Computers and Concrete, An International Journal 22(2):167~182
Abdullah A. Almusallam / 1996 / Effect of reinforcement corrosion on bond strength / Construction and Building Materials 10(2):123~129
Azad, A. K. / 2007 / Residual strength of corrosion-damaged reinforcement concrete beams / ACI Mater. J 104(1):40~47
Kapilesh Bhargava / 2007 / Corrosion-induced bond strength degradation in reinforced concrete—Analytical and empirical models / Nuclear Engineering and Design 237(11):1140~1157
Mohammed A. Al-Osta / 2018 / Finite element modeling of corroded RC beams using cohesive surface bonding approach / Computers and Concrete, An International Journal 22(2):167~182
Abdullah A. Almusallam / 1996 / Effect of reinforcement corrosion on bond strength / Construction and Building Materials 10(2):123~129
Azad, A. K. / 2007 / Residual strength of corrosion-damaged reinforcement concrete beams / ACI Mater. J 104(1):40~47
Kapilesh Bhargava / 2007 / Corrosion-induced bond strength degradation in reinforced concrete—Analytical and empirical models / Nuclear Engineering and Design 237(11):1140~1157
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