Academic literature on the topic 'Béton de fibre'
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Journal articles on the topic "Béton de fibre"
Chanvillard, Gilles, and Pierre-Claude Aïtcin. "Les resurfaçages minces adhérents en béton renforcé de fibres comme méthode de réhabilitation des chaussées de béton." Canadian Journal of Civil Engineering 17, no. 4 (August 1, 1990): 521–27. http://dx.doi.org/10.1139/l90-060.
Full textHadj Sadok, Ahmed, Cherif Imane Foudhil, and Said Si-Tayeb. "Méthode simplifiée de formulation d’un béton à haute performance avec et sans fibre métallique." MATEC Web of Conferences 11 (2014): 01044. http://dx.doi.org/10.1051/matecconf/20141101044.
Full textBousselham, Abdelhak, and Omar Chaallal. "Contribution à l'étude du renforcement en cisaillement des poutres en béton armé à l'aide de matériaux composites avancés." Canadian Journal of Civil Engineering 32, no. 2 (April 1, 2005): 339–51. http://dx.doi.org/10.1139/l04-105.
Full textJuarez, Cesar, Gerardo Fajardo, and Pedro Valdez. "Caractérisation microstructurale des fibres naturelles pour des matériaux composites à base de ciment." Canadian Journal of Civil Engineering 36, no. 3 (March 2009): 449–62. http://dx.doi.org/10.1139/l09-009.
Full textHénault, Jean-Marie, Marc Quiertant, Jean Salin, Gautier Moreau, Sylvie Delepine-Lesoille, and Karim Benzarti. "Mesures réparties de déformation par fibre optique. évaluation des performances d’un système de mesure en conditions d’emploi contrôlées en vue d’applications de surveillance d’ouvrages de génie civil en béton." Instrumentation Mesure Métrologie 13, no. 1-2 (June 30, 2013): 97–130. http://dx.doi.org/10.3166/i2m.13.1-2.97-130.
Full textBissonnette, Benoît, Yves Therrien, Richard Pleau, Michel Pigeon, and François Saucier. "Les bétons renforcés de fibres d'acier et la multifissuration." Canadian Journal of Civil Engineering 27, no. 4 (August 1, 2000): 774–84. http://dx.doi.org/10.1139/l00-026.
Full textDjebali, S., D. Atlaoui, and Y. Bouafia. "Caractérisation en traction directe du béton de fibres métalliques." Matériaux & Techniques 99, no. 3 (2011): 327–38. http://dx.doi.org/10.1051/mattech/2011106.
Full textChausson, Hélène, and Jean-Louis Granju. "Rechargements minces adhérents en béton renforcé de fibres métalliques." Revue Française de Génie Civil 1, no. 2 (January 1997): 309–26. http://dx.doi.org/10.1080/12795119.1997.9692121.
Full textQuiertant, Marc, François Toutlemonde, and Jean-François Seignol. "Etude d'une alternative en béton de fibres pour voussoirs de tunnel." Revue Française de Génie Civil 6, no. 5 (January 2002): 763–75. http://dx.doi.org/10.1080/12795119.2002.9692401.
Full textBreysse, D., A. Attar, B. Soulier, and B. Mesureur. "Modélisation de la réponse en traction du béton renforcé de fibres métalliques." Materials and Structures 30, no. 5 (June 1997): 259–68. http://dx.doi.org/10.1007/bf02486350.
Full textDissertations / Theses on the topic "Béton de fibre"
David, Marie. "Optimisation de la dispersion des fibres pendant le cycle de malaxage des bétons industriels." Thesis, Paris Est, 2014. http://www.theses.fr/2014PEST1157/document.
Full textFibers are added to the concrete to give it news properties. The homogeneity of these characteristics is assured by a constant presence of fiber as the whole material. The dispersion of one species within another is governed by convection and/or diffusion mechanisms. Concerning objects having the size of steel fiber, these two phenomena are caused by the shearing applied to the material, an unknown and difficult to measure datum in the case of concrete mixer. To begin, a method allowing to estimate the mixer's shearing is suggested. This method is based on the measurement of the medium diameter of cement aggregates produced in the mixer. The link between the medium diameter and the mean shearing is established. In a second time, a mean to measure fiber dispersion from electrical resistivity measurements during the concrete mixing is presented. Then, in a third time, fiber dispersion are measured during mixing. The link between necessary time to obtain an homogeneous distribution and the mixer's shearing ability is established
Nguyen, Ngan Hoa. "Poutres en cisaillement avec béton de fibre en polypropylène." Mémoire, Université de Sherbrooke, 2006. http://savoirs.usherbrooke.ca/handle/11143/1404.
Full textBenaissa, Imene. "Béton de sable fibré projeté pour panneau 3D." Thesis, Cergy-Pontoise, 2015. http://www.theses.fr/2015CERG0782/document.
Full textThis paper presents test results of mechanical properties of fibre reinforced sand-concrete (BSP) formulated to be used in the sprayed wet-mix process, as a substitution to fibre reinforced concrete (BOP) sprayed by dry-mix process. This process of application of concrete is suitable for diverse applications such underground support and slope stabilization. In BOP, formulated with aggregates up to 8 mm, both material and fibre rebounds are high (50 %); this results in economic implications, and affects the performances of the mixture negatively.BSP formulated with low dosage of cement, sand and high content of limestone filler, but without coarse aggregate; seems to be indicated to alleviate most of these problems, because of its fineness, high cohesiveness, high fluidity and better homogeneity. BSP was investigated and compared with BOP, on the basis of fresh and hardened properties with special emphasis on rebound, compressive strength and drying shrinkage. Results of investigations showed many advantages of this new mixture (BSP) when compared to BOP: reduction of material and fibre rebounds by approximately 50%, relatively substantially thicker layers (9 cm vs 6 cm), good finishing surface, higher early age compressive strength, and long term drying shrinkage close to that of BOP.Comparison of the results shows that the endogenous shrinkage of BOP, BSP and vibrated concrete (BV) is similar.On the other hand, the present study showed that a low amount of steel fibre (50 Kg/m3)reduces the drying shrinkage of BSP by approximately 16%.While, in the case of BOP, the influence is not significant.The aim of this study is to bring some answers to the questions about the delayed deformation of the shooting sand-concrete [BSP], which is made of aggregates up 5 mm.Drying shrinkage results, revealed that drying shrinkage of BSP is higher than that of BV in the short term. In the long term, it becomes lower than that of BV. However, the BSP loses more water during the period of shrinkage measurements than BV. Furthermore, pore size distribution shows that the mesoporous structure of BSP lost more water than the bimodal structure of BV, which includes macropores and mesopores. These particular porometric structures of BSP and BV are the main factor behind the difference of the drying shrinkage behaviour of the two mixtures.This is an interesting and unexpected result, which is not in accordance with the commonly accepted relationship between shrinkage and weight change of samples, and between moisture loss and porometric structure. This work provides an explanation for this phenomenon by taking into account the kinetics of drying and the porometry of the concrete
Michaud, Éric. "Résistance en cisaillement des poutres en béton armé renforcé de fibres d'acier et synthétiques avec analyse de l'effet d'échelle." Mémoire, Université de Sherbrooke, 2014. http://savoirs.usherbrooke.ca/handle/11143/167.
Full textDjumbong, Alexis. "Influence des fibres synthétiques et métalliques sur le comportement post-élastique des poteaux en béton à hautes performances." Thèse, Université de Sherbrooke, 2011. http://savoirs.usherbrooke.ca/handle/11143/1957.
Full textLeclerc, Christian. "Validation des capteurs à fibre optique pour l'instrumentation des barrages en béton." Mémoire, Université de Sherbrooke, 2002. http://savoirs.usherbrooke.ca/handle/11143/1162.
Full textAli, Alvarez Shamyr Sadat. "Capteurs de corrosion à fibre optique pour la surveillance répartie d’ouvrages en béton armé." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAI042.
Full textCorrosion of reinforced bars (rebars) in concrete structures remains a major issue in civil engineering works, being its detection and evolution a challenge for the applied research. Usual non-destructive corrosion detection methods involve impedance, potential or ultra-sonic indirect measurements of complex interpretation. Besides, they are restricted to near-surface examinations and the maintenance cost is still high (scheduled maintenance). Many efforts remain to be done to survey the onset and progression of corrosion processes in a reliable way. In this work, we present a new methodology to detect the onset of corrosion and to monitor its evolution, based on the direct observation of rebar–concrete interface changes by the use of an Optical Fiber Sensor (OFS). The corrosion attack over rebar surface depends on several physical, chemical and electrochemical parameters (temperature, pH, presence of chlorides/CO2, biological contamination, etc.). Two types of mechanical behavior and described. In the first case (carbonation), metal oxidation products stay at the interface and increase internal pressure, potentially leading to a crack of the external concrete layer. In the second case (pitting), metal ions are evacuated out of the structure, leading to a reduction of the rebar section (structural weakness). An innovative sensor design is proposed with the purpose of localizing and quantifying the amount of both corrosion types. The basic principle consists in measuring the impact of corrosion over the state of strain of a prestressed optical fiber. Two metrological techniques are used: Fiber Bragg Grating (FBG) and Optical Frequency-Domain Reflectometry (OFDR). Accelerated corrosion tests were performed in electrolytic solutions for both kinds of corrosion types (pitting and carbonation) and provide a proof-of-concept for the technique. A low-cost, simplified manufacturing procedure is proposed with the aim to provide distributed and in situ Structural Health Monitoring (SHM), suitable for future Condition-Based Maintenance (CBM) of civil engineering concrete structures
Razani, Mahmoud. "Contribution à l’étude du comportement des dalles en béton arme et fibre sous sollicitation de choc." Lyon, INSA, 1990. http://www.theses.fr/1990ISAL0036.
Full text[The aim of our work is to determine the characteristics induced in the behaviour of reinforced concrete slabs under impact of deformable projectiles, by mixing metallic fibres with concrete. In the bibliographic chapter, we first present the essential computation methods for one-degree and distributed-mass systems, and large-scale tests of slabs intended to give empirical formulas direct! y used in design of particular buildings. Then, we lay out principal tests showing the influence of parameters such as material characteristics, shape of specimen, and loading conditions, on the mechanical behaviour of specimens (pattern of failure, strain energy, -strength,. . . ). Second chapter concerns static and impact instrumented tests carried out on materials, showing the influence of strain rate on the compression stress-strain curve. The third chapter describes static and impact tests on slabs. Deflections and strains at different points of the slab and sections, and also the load, are measured. Load-deflection and moment-curvature curves are deduced. In the last chapter, first, moment-curvature curves of sections are computed from stress-strain curves of materials, by a numerical method taking into account post-rupture part of concrete tension stress-strain curve. Secondly, impact response of slabs is computed, using a finite element numerical code, considering bilinear moment-curvature curves. Third part concerns numerical computation by modelling the slab and its elastic support into undamped two-degree spring-mass system, considering variations of flexibility coefficient at cracking and plastification. Last part contains a simple method based on rectangular load function and bilinear elastoplastic moment-curvature curves. ]
Tahenni, Touhami. "Étude de la capacité portante à l'effort tranchant des poutres en béton armé renforcées en fibres d'acier avec référence particulière aux poutres en béton à hautes performances." Thesis, Lorient, 2016. http://www.theses.fr/2016LORIS413.
Full textDespite de multiple advantages of high performances, it is still relatively unknown. It is thusimportant to study this material from all the aspects in the aim of understanding its structuralbehavior and using it as a building material in composition with steel and hence beneficiate fullyfrom its higher compressive strength and denser compactness. In this sense, the serviceability ofthe material, particularly its behaviour towards cracking which affects its integrity, necessitates adeeper investigation. In the same context, the shear behavior of high performances concrete(HPC) is still insufficiently investigated by comparison to the abundant literature for that of ordinaryconcrete (OC). On the aspect of shear behaviour, it is worth noting that such a solicitation inreinforced concrete is a topic which continues to arouse a lot of interest despite the abundanceof the existing literature. The applicability of the different design approaches to high performancesconcrete requires further investigations. This aspect is a part of the objectives of the presentexperimental study. The use of steel fibers as reinforcement for concrete in general and for highperformances concrete in particular seems to improve the structural behavior of this concretematerial, particularly for shearing. On these aspects of structural behaviour, a total of 70 reinforcedconcrete beams, from ordinary concrete and high performances concrete, with and withoutsteel fibers, have been tested in four-point flexural bending. The steel fibers were used in differentquantities /f and different aspect ratios lf/df. The test carried out in this investigation have shownthat fibers stitch up effectively the two faces of a crack and thus enable structural elements to beserviceable at higher loading levels. This efficiency is particularly distinguishable for highperformances concrete (HPC) which develops a relatively better bond with the reinforcement bycomparison to ordinary concrete (OC). These stitching effects are however not reflected in thedesign models presented in the different universal design codes
El, Hachem Michel. "Étude de l'influence de la fibre de fonte sur le retrait et le fluage du béton." Châtenay-Malabry, Ecole centrale de Paris, 1990. http://www.theses.fr/1990ECAP0127.
Full textBooks on the topic "Béton de fibre"
Canadian University-Industry Workshop on Fibre Reinforced Concrete (1st 1991 Québec). First Canadian University-Industry Workshop on Fibre Reinforced Concrete: [proceedings]. Edited by Banthia Nemkumar P. 1959-. Québec, Qué: Université Laval, 1991.
Find full textBook chapters on the topic "Béton de fibre"
Czarnecki, L., and J. Grabowski. "Criterion of Cracking Resistance of Glass Fiber Reinforced Resins: A Comparative Study." In Adhesion between polymers and concrete / Adhésion entre polymères et béton, 152–65. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4899-3454-3_17.
Full textKłosinski, W. M., M. W. Abramowicz, and W. Glinka. "Modelling the Work of Glass Fiber Reinforced Resin Coatings on a Cracked Surface of Concrete." In Adhesion between polymers and concrete / Adhésion entre polymères et béton, 183–87. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4899-3454-3_20.
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