European journal of environmental and civil engineering : revue européenne de génie civil, Vol. 15 N° 7. European journal of environmental and civil engineering - Août 2011
| Titre : | European journal of environmental and civil engineering : revue européenne de génie civil, Vol. 15 N° 7. European journal of environmental and civil engineering - Août 2011 |
| Type de document : | Bulletin |
| Paru le : | 08/12/2011 |
Dépouillements
Article : texte imprimé
Melchers, Robert E., Auteur ;
Torill Pape, Auteur
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Much concern exists about the apparently short durability of reinforced concrete structures in marine environments. However, there are many examples of structures that have survived for long periods of time with little evidence of reinforcement [...]
Article : texte imprimé
Lars-Olof Nilsson, Auteur ;
Jens M. Frederiksen, Auteur
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This paper gives an overview of the current state-of-the-art of modelling chloride ingress and focuses on identified uncertainties and inaccuracies in the common way of applying the widely used empirical models. Examples are given in order to qu[...]
Article : texte imprimé
Khaled Bourbatache, Auteur ;
Olivier Millet, Auteur ;
Abdelkarim Aït Mokhtar, Auteur
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In this paper we propose two macroscopic models of ionic transfer in saturated porous media. These models are established by using periodic homogenization technique for two regimes of transfer (weakly or strongly accelerated). For each regime of[...]
Article : texte imprimé
Manu Santhanam, Auteur
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Seawater attack presents a number of challenges to the concrete designer. The combined attack by sulphates and chlorides in seawater involves a complicated mechanism. In a number of cases, such as in outfall tunnels of seawater desalination proj[...]
Article : texte imprimé
Aveline Darquennes, Auteur ;
Stéphanie Staquet, Auteur ;
Bernard Espion, Auteur
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The aim of this study is the determination of time-zero, a reference time from which the autogenous deformation is expressed, and the effect of this choice on the evolution of autogeneous deformation of concretes with different slag proportions [...]
Article : texte imprimé
Siham Kamali-Bernard, Auteur ;
Fabrice Bernard, Auteur
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The long term behaviour of a mortar submitted to leaching is simulated and both its mechanical and diffusion properties successfully predicted using the 3D numerical tool, MuMoCC platform. The effect of the dissolution of the hydrates such as Po[...]
Article : texte imprimé
Denys Breysse, Auteur ;
Myriam Chaplain, Auteur ;
Antoine Marache, Auteur
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Moisture and temperature variations have a high influence on building materials behavior, like creep and durability in timber or activity of corrosion in reinforced concrete. Improving the prediction of these behaviors requires a better modeling[...]
Article : texte imprimé
Myriam Chaplain, Auteur ;
Denys Breysse, Auteur ;
Antoine Marache, Auteur
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The mechanical response and durability of timber structures is highly influenced by the atmospheric conditions. Wood mechanical properties depend on moisture content, on temperature and on their variations. To study the lifetime of timber compon[...]
Article : texte imprimé
Jean-Paul Balayssac, Auteur ;
Stéphane Laurens, Auteur ;
Gilles Klysz, Auteur
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This paper aims to analyse the sensitivity of some NDT methods (radar, resistivity and capacitive technique) to chloride contamination. In laboratory, four different concretes with different water to cement ratio and two kinds of aggregates were[...]
Article : texte imprimé
Bidisha Ghosh, Auteur ;
Vikram Pakrashi, Auteur ;
Franck Schoefs, Auteur
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This paper proposes High Dynamic Range (HDR) imaging as a protocol for nondestructive- testing for the first time. HDR imaging protocol has been experimentally validated on images of pitting corrosion in this paper and has been further applied t[...]
Article : texte imprimé
Michel Keddam, Auteur ;
Ramon X. Novoa, Auteur ;
Beatriz Puga, Auteur
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The electrochemical impedance spectroscopy has been employed in the present investigation to assess the polarisation resistance of carbon steel rebars in different electrolytes. The measurements have been performed using the classical 3-electrod[...]
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