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Reliability-Based Criteria for the Decision of the Compensation of Corroded Flexural Reinforcement

Reliability-Based Criteria for the Decision of the Compensation of Corroded Flexural Reinforcement
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Author(s): Ashraf Ragab Mohamed (Alexandria University, Egypt)
Copyright: 2016
Pages: 16
Source title: Civil and Environmental Engineering: Concepts, Methodologies, Tools, and Applications
Source Author(s)/Editor(s): Information Resources Management Association (USA)
DOI: 10.4018/978-1-4666-9619-8.ch060

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Abstract

Corrosion of reinforcement is considered as the major cause of most deteriorated concrete structures. As reinforcement corrodes, the load carrying capacity is affected and hence, the probability of failure increases. At the time of inspection of deteriorated structures, engineers are faced with the problem whether the available steel is enough to secure the safety of the structural member. This chapter addresses this problem based on reliability-based approach to evaluate the safety of the deteriorated members due to uniform corrosion under bending. A methodology is proposed to facilitate the determination of the member reliability index based on basic material properties and current loading. A step-by-step procedure is proposed based on charts developed in this study according to the Egyptian code provisions.

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