A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Service life prediction of high performance concrete mixture subjected to chloride penetration
The time to initiate corrosion in a reinforced concrete slab used for the construction of a parking structure was investigated. The penetration of chloride ions, along with the coupled transport of moisture and other ionic species, was predicted using a numerical software. In order to generate the input data required to run the model, concrete samples provided by a concrete producer were fully characterized using various experimental techniques. Information on the exposures conditions was generated by assessing the chloride penetration in adjacent parking structure built with a similar concrete mixture. Following a sensitivity analysis, numerical simulations were run over an 80-year period assuming realistic (and fluctuating) exposure conditions. The numerical simulations showed that corrosion was likely to be initiated after roughly 50 years of exposure.
Service life prediction of high performance concrete mixture subjected to chloride penetration
The time to initiate corrosion in a reinforced concrete slab used for the construction of a parking structure was investigated. The penetration of chloride ions, along with the coupled transport of moisture and other ionic species, was predicted using a numerical software. In order to generate the input data required to run the model, concrete samples provided by a concrete producer were fully characterized using various experimental techniques. Information on the exposures conditions was generated by assessing the chloride penetration in adjacent parking structure built with a similar concrete mixture. Following a sensitivity analysis, numerical simulations were run over an 80-year period assuming realistic (and fluctuating) exposure conditions. The numerical simulations showed that corrosion was likely to be initiated after roughly 50 years of exposure.
Service life prediction of high performance concrete mixture subjected to chloride penetration
Lebensdauervorhersage von Hochleistungsbeton unter Chloridbeanspruchung
Maltais, Yannick (author) / Marchand, Jacques (author) / Ouellet, Eric (author) / Samson, Eric (author) / Tourney, Paul (author)
2004
18 Seiten, 12 Bilder, 12 Tabellen, 21 Quellen
Conference paper
English
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