• Treffer 5 von 20
Zurück zur Trefferliste

Monitoring of corrosion processes in chloride contaminated mortar by electrochemical measurements and X-ray tomography

  • Corrosion of steel reinforcement in concrete exposed to chloride containing environments is a serious problem in civil engineering practice. Electrochemical methods, e.g. potential mapping, provide information whether the steel reinforcement is still passive or depassivation has been initiated. By applying such techniques no information on the type of corrosion, its extent and distribution of corrosion products is available. Particular the corrosion progress is a significant problem. Especially in the case of element corrosion in reinforced concrete structures, the development at the anode can not be separated into corrosion damage causing by element corrosion or self-corrosion. Until now also in laboratory tests it is impossible to collect such information without destroying specimens after electrochemical testing was performed place. To overcome this problem it was tried to study the steel surface within the mortar specimens by X-ray tomography (CT). Within the scope ofCorrosion of steel reinforcement in concrete exposed to chloride containing environments is a serious problem in civil engineering practice. Electrochemical methods, e.g. potential mapping, provide information whether the steel reinforcement is still passive or depassivation has been initiated. By applying such techniques no information on the type of corrosion, its extent and distribution of corrosion products is available. Particular the corrosion progress is a significant problem. Especially in the case of element corrosion in reinforced concrete structures, the development at the anode can not be separated into corrosion damage causing by element corrosion or self-corrosion. Until now also in laboratory tests it is impossible to collect such information without destroying specimens after electrochemical testing was performed place. To overcome this problem it was tried to study the steel surface within the mortar specimens by X-ray tomography (CT). Within the scope of these investigations it could be shown, that X-ray tomography is suitable to make corrosion pits visible which are embedded in a mortar with a cover thickness of about 35 mm. In this publication the corrosion damage of reinforced steel is documented timedependent by X-ray tomography.zeige mehrzeige weniger

Metadaten exportieren

Weitere Dienste

Teilen auf Twitter Suche bei Google Scholar Anzahl der Zugriffe auf dieses Dokument
Metadaten
Autor*innen:Jürgen Goebbels, Bernd Isecke, Matthias Beck, Andreas Burkert, Ralph BäßlerORCiD
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):EUROCORR 2008 - Managing corrosion for sustainability
Jahr der Erstveröffentlichung:2008
Herausgeber (Institution):European Federation of Corrosion
Verlag:DECHEMA
Verlagsort:Frankfurt am Main
Ausgabe/Heft:299
Erste Seite:1
Letzte Seite:10
Freie Schlagwörter:Concrete parameters; Reinforcement; Self-corrosion; X-ray tomography
Veranstaltung:EUROCORR 2008
Veranstaltungsort:Edinburgh, Scotland, UK
Beginndatum der Veranstaltung:2008-09-07
Enddatum der Veranstaltung:2008-09-11
Bemerkung:
Serientitel: EFC-Event – Series title: EFC-Event
Verfügbarkeit des Dokuments:Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")
Bibliotheksstandort:Sonderstandort: Publica-Schrank
Datum der Freischaltung:19.02.2016
Referierte Publikation:Nein
Einverstanden
Diese Webseite verwendet technisch erforderliche Session-Cookies. Durch die weitere Nutzung der Webseite stimmen Sie diesem zu. Unsere Datenschutzerklärung finden Sie hier.