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Assessment of residual life of concrete structures affected by reinforcement corrosion
Joint Authors
Ortega, Ne´stor F.
Robles, Sandra I.
Source
Housing and Building National Research Center Journal
Issue
Vol. 12, Issue 2 (31 Aug. 2016), pp.114-122, 9 p.
Publisher
Housing and Building National Research Center
Publication Date
2016-08-31
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
The corrosion process in reinforced concrete structures, exposed to marine or industrial environments, causes the appearance and growth of cracks.
As a consequence, this produces a slow degradation of the material physical properties, steel fragilization and a decrease of the bond strength and steel reinforcements, cross section, affecting its static and dynamic behavior.
In the second half of the twentieth century, the importance of constructions’ service life was noticed, so different techniques have been developed to predict the Residual Life of existing structures, in order to increase it.
This situation has a significant economic impact on society.
This paper presents a non-destructive technique to predict the Residual Life of reinforced concrete beams having different cracking levels, as results of steel reinforcement corrosion, considering the variation produced in the dynamic behavior, through the variation of the first natural vibration frequency.
The reinforcement corrosion is an electrochemical process that can be quantified by measuring the intensity of the current on the concrete surface.
In this paper, to simulate the corrosion process, a current is externally applied to the studied structure reinforcement and then crack widths and vibration natural frequencies are measured.
Based on these measurements a mathematical model is proposed to predict structure remaining life.
American Psychological Association (APA)
Ortega, Ne´stor F.& Robles, Sandra I.. 2016. Assessment of residual life of concrete structures affected by reinforcement corrosion. Housing and Building National Research Center Journal،Vol. 12, no. 2, pp.114-122.
https://search.emarefa.net/detail/BIM-701103
Modern Language Association (MLA)
Ortega, Ne´stor F.& Robles, Sandra I.. Assessment of residual life of concrete structures affected by reinforcement corrosion. Housing and Building National Research Center Journal Vol. 12, no. 2 (Aug. 2016), pp.114-122.
https://search.emarefa.net/detail/BIM-701103
American Medical Association (AMA)
Ortega, Ne´stor F.& Robles, Sandra I.. Assessment of residual life of concrete structures affected by reinforcement corrosion. Housing and Building National Research Center Journal. 2016. Vol. 12, no. 2, pp.114-122.
https://search.emarefa.net/detail/BIM-701103
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 120-1222
Record ID
BIM-701103