Influence of in situ concrete variability on accelerated carbonation test
| Autor: | Ph Turcry, P. Rougeau, Akli Younsi, F. Jacquemot, Abdelkarim Aït-Mokhtar |
|---|---|
| Přispěvatelé: | Laboratoire des Sciences de l'Ingénieur pour l'Environnement - UMR 7356 (LaSIE), Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2012 |
| Předmět: |
In situ
Environmental Engineering Materials science Carbonation 0211 other engineering and technologies 02 engineering and technology 021001 nanoscience & nanotechnology Reinforced concrete Crosshead Normal Statistical Distribution [SPI.GCIV]Engineering Sciences [physics]/Civil Engineering Statistical variability Carbonatation 021105 building & construction Geotechnical engineering Test protocol 0210 nano-technology ComputingMilieux_MISCELLANEOUS Civil and Structural Engineering |
| Zdroj: | European Journal of Environmental and Civil Engineering European Journal of Environmental and Civil Engineering, Taylor & Francis, 2012, 16 (3-4), pp.288-297. ⟨10.1080/19648189.2012.667707⟩ |
| ISSN: | 1964-8189 2116-7214 |
| DOI: | 10.1080/19648189.2012.667707⟩ |
| Popis: | Probabilistic approaches to design reinforced concrete structures require the knowledge of distribution laws governing the statistical variability of concrete properties used as models inputs. The present work focuses on the variability of carbonation resistance throughout the construction period and inside an existing structure. Accelerated carbonation tests were carried out in a laboratory on more than 120 samples taken from two real building sites. Samples drilled from a bridge crosshead were also investigated. In the case of production-variability, the statistical distribution of the carbonation depths was found to be correctly modelled by a normal statistical distribution, as usually done for compressive strengths. However, these two properties appeared to be little correlated. Inside the structure, the carbonation resistance was shown to be higher with the distance to the surface of the drilled samples. In addition to experimental results, the efficiency of the accelerated carbonation test protocol,... |
| Databáze: | OpenAIRE |
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