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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Seismic Behavior of Reinforced Concrete Columns with Corroded Deformed Reinforcing Bars
Author(s): Caglar Goksu and Alper Ilki
Publication: Structural Journal
Appears on pages(s): 1053-1064
Keywords: assessment; column; corrosion; cyclic; deformed bars; ductility; reinforced concrete; seismic
Abstract:Existing seismic design and assessment documents do not contain detailed specific guidance on seismic performance assessment of existing reinforced concrete (RC) structures, which have suffered from corrosion. This may cause unsafe consideration of reinforcement corrosion and, consequently, misleading seismic evaluation of such structures. In this study, six columns were subjected to different levels of accelerated corrosion process (causing different levels of damage, from slight to severe) and then were tested under constant axial and reversed cyclic lateral loading. The original aspect of the study is the clear demonstration of the adverse effect of corrosion on drift capacity of the columns. Furthermore, based on the test results, a method is proposed for calculating the deformation capacity of RC columns as a function of corrosion level for reliable seismic safety evaluation.
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