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2018 | OriginalPaper | Chapter

15. Degradation Laws of Mechanical Properties of Corroded Steel Bar of Existing Structures on Coastal Areas

Authors : Charis Apostolopoulos, Argyro Drakakaki, Maria Basdeki, Alkiviadis Apostolopoulos

Published in: 10th International Symposium on the Conservation of Monuments in the Mediterranean Basin

Publisher: Springer International Publishing

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Abstract

As it is widely known, the effect of seismic actions on the existing structures, which are located on coastal areas, maintains a pending issue, given the harsh degradation of reinforced concrete, due to corrosion factor. Although corrosion phenomenon of steel reinforcement is time dependent; nevertheless, this type of issues is not mentioned in the existing technical standards. Consequently, the demanded terms and conditions to predict the remaining mechanical performance, with the use of degradation laws concerning the remaining strength and ductility of the steel rebars, are not available yet to the engineers who are responsible for the rehabilitation (before and after seismic phenomena).
For this reason, in the present study, an effort was made to document the prediction laws of the mechanical properties on strength (remaining yield strength) and ductility (the remaining strain recorded at the ultimate strength).
The prediction results of the mechanical properties (strength and ductility) of the steel reinforcement concern structures located in areas directly exposed to the sea (1000 m, XS1 exposure class according to EN 206 regulation), that are affected by marine atmosphere attack conditions (pitting corrosion).

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previous chapter European Project Nano-Cathedral: Nanomaterials for Conservation of European Architectural Heritage: Pisa, the Experience of a Mediterranean Cathedral
next chapter Conservation of Vernacular Dwellings. Matters of Authenticity and Sustainability
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Metadata
Title
Degradation Laws of Mechanical Properties of Corroded Steel Bar of Existing Structures on Coastal Areas
Authors
Charis Apostolopoulos
Argyro Drakakaki
Maria Basdeki
Alkiviadis Apostolopoulos
Copyright Year
2018
Book
10th International Symposium on the Conservation of Monuments in the Mediterranean Basin

Print ISBN: 978-3-319-78092-4

Electronic ISBN: 978-3-319-78093-1

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-78093-1_15

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