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Author(s):     
 
Raupach, M.; Weizhong, G.; Wei-Liang, J.
 
Title:     
 
Korrosionsprodukte und deren Volumenfaktor bei der Korrosion von Stahl in Beton
 
Abstract:     
 
Korrosion der Bewehrung ist eine der Hauptursachen für Schäden an Betonbauwerken. Das Volumen des Rostes ist i. d. R. um ein Vielfaches größer als das ursprüngliche Stahlvolumen, was zu Rissbildungen und Abplatzungen des Betons bis hin zum Verlust der Gebrauchstauglichkeit führen kann. Basierend auf gezielten Korrosionsuntersuchungen werden in diesem Beitrag die Hauptkomponenten der typischen Eisenoxide und -hydrate sowie deren Volumenfaktoren beschrieben, die als Basis für weiterführende Betrachtungen der Auswirkungen der Bewehrungskorrosion dienen sollen.

Corrosion Products and their Volume Factor Created by Corrosion of Steel in Concrete
Steel corrosion is one of the main reasons of degradation and damage of concrete structures. The volume of rust, resulting from steel corrosion, can be several times greater than the original steel volume which leads to cracking and spalling of the concrete and may finally end in the loss of structural functionality. Based on corrosion experiments on black steel, this article presents the major components of typical oxide layers and their volume expansion and thus forms a basis for further studies on corrosion of steel in concrete.
 
Source:     Beton- und Stahlbetonbau 105 (2010), No. 9
 
Page/s:     572-578
 
Language of Publication:     German



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