Deterioration model and input parameters for reinforcement corrosion | Structural Concrete

Deterioration model and input parameters for reinforcement corrosion

Articles - Structural Concrete Heft 3/2012

Seite: 145-155

Autoren: Beck, Matthias, Burkert, Andreas, Harnisch, Jörg, Isecke, Bernd, Osterminski, Kai, Raupach, Michael, Schießl, Peter, Tian, Wei, Warkus, Jürgen

DOI: 10.1002/suco.201200004

Stichworte: reinforcement corrosion, macrocell corrosion model, design for durability

Fachgebiete: Building materials - Baustoffe + Reinforcement - Bewehrung + Corrosion - Korrosion + Design and construction - Etwurf und Konstruktion

The paper presents the damage model of German Research Unit 537 which was used as a working hypothesis for the development of a user-friendly design model. Excerpts from the laboratory experiments and numerical calculations processed in project A of the research unit are presented here. The excerpts include the quantification of self-corrosion, geometrical effects in the macrocell corrosion, development of corroding steel surface and pit depth as well as the quantification of the resistivity of the concrete and the corrosion of steel in cracked concrete.

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Deterioration model and input parameters for reinforcement corrosion

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