Experimental investigation on the short-term impact of temperature and moisture on reinforcement corrosion

Publication: Research - peer-reviewJournal article – Annual report year: 2013

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In this study, reinforced concrete specimens with and without mixed-in chlorides were conditioned at different relative humidities and subsequently subjected to varying temperatures. Results of the study confirmed that neither temperature nor moisture content have a major impact on the corrosion state and rate of passively corroding reinforcement. For actively corroding reinforcement, a temperature and moisture dependent corrosion rate was observed. The temperature dependency could be described by the Arrhenius equation with moisture dependent activation energies of approximately 10kJ/mol at 75% RH and 35–40kJ/mol above 85% RH.
Original languageEnglish
JournalCorrosion Science
Volume72
Pages (from-to)26-34
ISSN0010-938X
DOIs
StatePublished - 2013
CitationsWeb of Science® Times Cited: 12

    Keywords

  • Steel reinforced concrete, Polarization, Atmospheric corrosion
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