European journal of environmental and civil engineering : revue européenne de génie civil, Vol. 16 N° 3-4. European journal of environmental and civil engineering - Mars/Avril 2012
| Titre : | European journal of environmental and civil engineering : revue européenne de génie civil, Vol. 16 N° 3-4. European journal of environmental and civil engineering - Mars/Avril 2012 |
| Type de document : | Bulletin |
| Paru le : | 11/06/2012 |
Dépouillements
Article : texte imprimé
Patrick Rougeau, Auteur ;
Torrenti, Jean-Michel, Auteur ;
François Cussigh, Auteur
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The construction sector is the largest industrial consumer of raw materials. Like all materials, concrete has an important role to play in sustainable development through its contribution to energy saving and durability of constructions. In this[...]
Article : texte imprimé
Jonathan Mai-Nhu, Auteur ;
Alain Sellier, Auteur ;
Frédéric Duprat, Auteur
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Probabilistic approach is increasingly resorted to in the design of new civil engineering structures and structural analysis of existing constructions. In this article an elementary physical and chemical model able to assess the lifetime of conc[...]
Article : texte imprimé
Mickael Thiery, Auteur ;
Christian Crémona, Auteur ;
Véronique Baroghel-Bouny, Auteur
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Deterministic approaches for the prediction of the carbonation penetration have limitations related to the high variability of the input data. This paper deals with two carbonation models which are developed in the framework of a probabilistic a[...]
Article : texte imprimé
Ph. Turcry, Auteur ;
Younsi, A., Auteur ;
F. Jacquemot, Auteur
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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 carbo[...]
Article : texte imprimé
J.F. Lataste, Auteur ;
T. De Larrard, Auteur ;
F. Benboudjema, Auteur
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This article presents electrical resistivity measurement on concrete. The first part presents the study of a lighter protocol for measuring electrical resistivity, allowing investigations of a large number of specimens, without degradation of th[...]
Article : texte imprimé
Fan Zhang, Auteur ;
Thomas Rougelot, Auteur ;
Nicolas Burlion, Auteur
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The prediction of the service lifetime of civil engineering structures needs an appropriate comprehension and quantification of the physical, chemical and mechanical processes associated with the durability of structural reinforced concrete. In [...]
Article : texte imprimé
Thomas de Larrard, Auteur ;
Stéphane Poyet, Auteur ;
Magalie Pierre, Auteur
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This study proposes two models for accelerated leaching in ammonium nitrate under variable temperature. The first approach assumes a thermoactivated linear relationship between degradation and the square root of time. The second approach introdu[...]
Article : texte imprimé
Stéphane Poyet, Auteur ;
Patrick Le Bescop, Auteur ;
Magalie Pierre, Auteur
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We have focused on the test conditions influence on accelerated degradation of cementitious materials using ammonium nitrate. PH-buffering and renewal of the leaching solution were studied. PH-buffering appeared not to be very important when the[...]
Article : texte imprimé
A. Trabelsi, Auteur ;
A. Hamami, Auteur ;
R. Belarbi, Auteur
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This article aims to assess the characterisation of the water vapour desorption process and its variability under site conditions. It presents a probabilistic approach allowing the assessment of the distribution laws for the water vapour desorpt[...]
Article : texte imprimé
Fabrice Deby, Auteur ;
Myriam Carcasses, Auteur ;
Alain Sellier, Auteur
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This article aims to expose a probabilistic methodology for the design of concrete formulations in a marine environment. As defined in the performance-based approach, durability indicators, considered as random variables, will be defined by quan[...]
Article : texte imprimé
Alain Millard, Auteur ;
Valérie L'Hostis, Auteur
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The aim of this article is to present the modelling approach developed in order to predict the effects of corrosion of the reinforcements induced by carbon dioxide penetration. The final objective of the project is to propose a phenomenological [...]
Article : texte imprimé
Raoul François, Auteur ;
Inamullah Khan, Auteur ;
Ngoc Anh Vu, Auteur
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Corrosion is one of the major problems that the reinforced concrete industry is facing nowadays. Much research has been carried out to investigate the influence of cracks on rebar corrosion. In this project ring shaped mortar samples with an 8mm[...]
Article : texte imprimé
R. Zhang, Auteur ;
A. Castel, Auteur ;
R. François, Auteur
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This article deals with the influence of the steel–concrete interface condition on reinforcement corrosion and concrete cracking in a chloride environment. Four large concrete members were cast with horizontal reinforcements at different levels [...]
Article : texte imprimé
Lucas Adelaide, Auteur ;
Benjamin Richard, Auteur ;
Frédéric Ragueneau, Auteur
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One of major causes responsible for the performance loss of reinforced concrete structures is the corrosion phenomenon. Thereby, taking into account the local effects of the steel/concrete interface is of primary importance to predict properly t[...]
Article : texte imprimé
Inamullah Khan, Auteur ;
Raoul François, Auteur ;
Arnaud Castel, Auteur
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This article presents experimental results and the modelling of a highly corroded beam subjected to a chloride environment to assess the performance of long-term-corrosion-damaged beams. A reinforced concrete beam corroded by 26 years of exposur[...]
Article : texte imprimé
Benjamin Richard, Auteur ;
Marc Quiertant, Auteur ;
Véronique Bouteiller, Auteur
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This article aims to present both experimental and numerical studies of the corrosion induced cracking pattern evolution of a reinforced concrete sample subjected to accelerated corrosion. The beam was not mechanically loaded. Rebars were intent[...]
Article : texte imprimé
Benjamin Richard, Auteur ;
Lucas Adelaide, Auteur ;
Christian Cremonab, Auteur
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This paper is devoted to presenting an updated approach based on the use of Bayesian networks. This methodology aims to update the statistical parameters related to a mechanical model thanks to experimental data. The proposed updating process ha[...]
Article : texte imprimé
Véronique Bouteiller, Auteur ;
Jean-François Cherrier, Auteur ;
Valérie L'Hostis, Auteur
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Reinforcement corrosion is one of the major durability problems that need to be solved in order to extend the service life of a structure. It is influenced, on one hand, by the concrete itself, sound or polluted (chlorinated or carbonated), and [...]
Article : texte imprimé
Study of the active/passive corrosion behaviour of reinforced concrete slabs using different devices
V. L'Hostis, Auteur ;
E. Marie-Victoire, Auteur ;
V. Bouteiller, Auteur
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This paper deals with results of electrochemical measurements carried out on reinforced concrete slabs. Measurements were performed four times a year over a period of two years by means of three kinds of device: a Gamry© laboratory potentiostat,[...]
Article : texte imprimé
A. Clément, Auteur ;
S. Laurens, Auteur ;
G. Arliguie, Auteur
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The linear polarisation resistance (LPR) technique is increasingly being implemented to assess the corrosion rate of steel reinforcements in concrete. However, a lack of reliability is often observed experimentally. In order to improve the physi[...]
Article : texte imprimé
E. Marie-Victoire, Auteur ;
V. Bouteiller, Auteur ;
J-L. Garciaz, Auteur
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Rebar corrosion is major decay encountered in the field of historical monuments made of reinforced concrete. In order to preserve a maximum of this cultural heritage, reliable on-site diagnosis tools are crucial. The purpose of the present study[...]
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