Corrosion Risk Assessment, Load Considerations and Corrosion Engineering Solutions for Aging Structures That Exhibit Accelerated Corrosion in Corrosive Environments

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Structural engineering analysis is an important part of condition assessment of aging concrete structures. Structural engineers involved in condition assessment, maintaining, and repairing concrete structures need to be informed of the principles and practice of corrosion risks facing aging concrete structures. The approach towards this issue, from a corrosion engineer’s standpoint, is to do an inspection/condition assessment before making any form of judgements or recommendations.

Product Number: 51323-19543-SG

Author: Mehrooz Zamanzadeh, Clinton Char, George T. Bayer, Peyman Taheri, Anil Kumar Chikkam

Publication Date: 2023

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This paper is a review of the corrosion risk assessment, structural considerations, and engineering solutions for the steel reinforced structural elements within an aging building that exhibit accelerated corrosion in corrosive environments. We will discuss various factors that affect the remaining life of the structure including structural issues, concrete cover, and accelerated corrosion due to chlorides and carbonation. One or more combinations of these factors could potentially result in the progressive failure and eventual collapse of an aging building. The authors will provide case histories and guidelines on how to protect the corroded reinforcements with corrosion engineering solutions that are not as costly as replacement. These include cathodic protection and protective coatings.