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Development of a new combined corrosion protection system for chloride-contaminated reinforced concrete structures

  • Chloride-induced damage of reinforcing steel is especially for parking garages and bridges often very severe as large amounts of chlorides act on horizontal surfaces which could lead to fast ingress of these detrimental ions up to the level of the reinforcement and subsequently to high rates of corrosion. In order to avoid the disadvantages of conventional rehabilitation (unreliable prognosis with patch repair or high costs and regular maintenance with cathodic protection using impressed current) a new combined protection system was developed where the principle of drying out the concrete (by means of a surface protection system) is combined with a temporary cathodic protection (by means of a sprayed zinc layer) during the transitional period of the drying out process. This new system was tested both in the laboratory and on-site at a pilot application. Based on the results obtained the possibilities and limitations of the new system are discussed in this paper.

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Metadaten
Autoren/innen:Jürgen Mietz, Andreas Burkert, Gerd Eich, M. Raupach
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Materials and corrosion
Jahr der Erstveröffentlichung:2005
Herausgeber (Institution):Gesellschaft für Korrosionsschutz
Verlag:Wiley-VCH Verl.
Verlagsort:Weinheim
Jahrgang/Band:56
Ausgabe/Heft:2
Erste Seite:104
Letzte Seite:110
Freie Schlagwörter:Cathodic protection; Chlorid-induced corrosion; Reinforcing steel; Sprayed zinc layer; Surface protection system
DOI:https://doi.org/10.1002/maco.200403836
ISSN:0947-5117
ISSN:1521-4176
Verfügbarkeit des Dokuments:Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")
Bibliotheksstandort:Sonderstandort: Publica-Schrank
Bibliotheksstandort:ZW 7
Datum der Freischaltung:19.02.2016
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:14.03.2005