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Corrosion of Reinforcement in Relation to Presence of Defects at the Interface Between Steel and Concrete

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Author
Söylev, Tayfun Altuğ
Francois, R.
Type
Article
Date
2005-08
Language
en_US
Metadata
Show full item record
Abstract
In this study, steel-concrete interface defects were analyzed in order to define their potential to induce corrosion. Various types of steel-concrete interface defects were classified into two main groups: macrodefects and microdefects. Gaps formed beneath horizontal reinforcement as a result of bleeding and settlement of fresh concrete were analyzed for macrodefects. Microdefects presented no signs that could be identified by visual inspection and resulted not only from controlled pull-out of the steel bar but also from bleeding and settlement (but without the production of macrodefects as found with gap formation), Apart from interface defects, cover concrete porosity was defined as an intrinsic defect. The effect of these defects on reinforcement corrosion was investigated. Macrodefects have a direct effect on corrosion, whereas microdefects have no significant effect on Corrosion. Where the level of intrinsic defects was high, these had a greater effect on corrosion than interface macrodefects. The behaviors of conventional and self-compacting concrete (SCC) were compared. SCC was found to have better interface quality.
Subject
Interfaces
Reinforcement
Concrete
Steel
Compaction
Corrosion
Silica Fume
Bars
Bond
Performance
Mortar
Arayüzler
Takviye
Beton
Çelik
Sıkıştırma
Korozyon
Silis Dumanı
Barlar
Bağ
Performans
Harç
URI
http://hdl.handle.net/11413/962
Collections
  • Makaleler / Articles [122]
  • Scopus Publications [724]
  • WoS Publications [1016]

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İstanbul Kültür University

Hakkında |Politika | Kütüphane | İletişim | Send Feedback | Admin

Istanbul Kültür University, Ataköy Campus E5 Karayolu Üzeri Bakırköy 34158, İstanbul / TURKEY
Copyright © İstanbul Kültür University

Creative Commons Lisansı
IKU Institutional Repository, Creative Commons Alıntı-GayriTicari-Türetilemez 4.0 Uluslararası Lisansı ile lisanslanmıştır.

Designed by  UNIREPOS