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Artykuły w czasopismach na temat "Comportement des connecteurs"
Rossari, Corinne, Cyrielle Montrichard i Claudia Ricci. "Pour une approche sémantique des connecteurs au-delà de leurs propriétés relationnelles : étude sur des variations génériques et diachroniques dans des corpus écrits". SHS Web of Conferences 138 (2022): 11016. http://dx.doi.org/10.1051/shsconf/202213811016.
Pełny tekst źródłaFalkert, Anika. "La mutation achevée du connecteur ça fait que dans le français acadien des Îles-de-la-Madeleine". Revue de l'Université de Moncton 37, nr 2 (1.06.2007): 39–53. http://dx.doi.org/10.7202/015838ar.
Pełny tekst źródłaPhilippot, Alexandre, Stéphane Lecasse, Bernard Riera i François Gellot. "Développement d’un connecteur logiciel pour l’apprentissage de l’automatisme". J3eA 21 (2022): 2056. http://dx.doi.org/10.1051/j3ea/20222056.
Pełny tekst źródłaLAHOUSSE, KAREN, i BÉATRICE LAMIROY. "C'est ainsi que: grammaticalisation ou lexicalisation ou les deux à la fois ?" Journal of French Language Studies 27, nr 2 (22.10.2015): 161–85. http://dx.doi.org/10.1017/s0959269515000381.
Pełny tekst źródłaPatois, Louise, Benoît Fafournoux, Denis Pasco i Cédric Roure. "Connecter les leçons d'éducation physique et sportive aux intérêts individuels des élèves : La personnalisation du contexte". L'Education physique en mouvement, nr 9 (21.06.2023). http://dx.doi.org/10.26034/vd.epm.2023.4102.
Pełny tekst źródłaRozprawy doktorskie na temat "Comportement des connecteurs"
Tabet-Derraz, Moulay Idriss. "Comportement et modélisation des connecteurs dans une structure mixte (acier-béton)". Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0092.
Pełny tekst źródłaThe principle of steel-concrete composite beams is to combine a concrete slab and a steel beam for joint work. Shear connectors are mechanical tools that have the role of ensuring the connection between the two materials at the interface of the composite beams. A variety of shear connectors have been proposed in the literature to provide suitable behavior at the steel-concrete interface. Headed stud connectors are most widely used in composite construction due to building code recommendations. However, the latter have significant drawbacks in terms of structural performance and practicability on construction sites. In this present thesis, an innovative new type of OMEGA-shaped connector has been proposed in two geometric designs (primary shape and improved shape) to be an alternative to conventional connectors. In addition to having a simple fabrication process and convenient installation at the composite beam interface, the shape of this connector allows for a large confined concrete zone, making it more resistant to shear and slab uplift. In this research, experimental push-out tests were performed on OMEGA connector with different configurations to study their strength, ductility and failure mode in the steel-concrete connection. Additional push-out specimens with conventional headed stud type connectors were also tested in order to compare the performance of OMEGA connectors with that of standard headed studs. The results demonstrated that the proposed OMEGA-shaped connector exhibited interesting behavior in steel-concrete connection and which can be used as an alternative shear connector for composite beams. In addition, an FE numerical model of the push-out test on OMEGA connectors was developed in this thesis using Abaqus software. The goal is to deepen the investigations on this proposed connector, by conducting a parametric study that aims to evaluate the influences of connector dimensions and concrete slab strength on the internal behavior of the steel-concrete connection. Moreover, by exploiting the parametric study results, an equation for predicting the OMEGA connectors shear strength was also developed. Furthermore, composite beam tests with OMEGA connectors arranged at the interface were also carried out as part of this thesis, by producing a composite beam specimen with a complete connection and another with a partial connection. The objective of this study is to analyze the influence of OMEGA connectors mechanism in the connection on the overall behavior of the composite beam. The results affirmed that the use of OMEGA connectors ensure adequate behavior to composite beams, even with a reduced degree of connection
Rabih, Mahmoud. "Comportement et modélisation de connecteurs de types cornière et goujon utilisés en construction mixte acier-béton". Vandoeuvre-les-Nancy, INPL, 1994. http://www.theses.fr/1994INPL079N.
Pełny tekst źródłaNaud, Nicolas. "Développement des structures composites bois-béton avec emphase sur le comportement de la connexion". Master's thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/30276.
Pełny tekst źródłaTimber framing is a very attractive alternative for the construction of multistory buildings. Thanks to its low ecological footprint, its excellent mechanical properties and the aesthetics of finished product. By adding a thin concerted concrete slab, the thickness and weight of the floors can be considerably reduced while respecting the design criteria. In order to succeed, the load must be transferred from the concrete slab to the timber beam by the shear connectors. Different types of connectors allow this transfer. Nevertheless, it is difficult to guarantee good stiffness in serviceability and ductile behaviour before the collapse of the structure. Ductility is an indicator of the ability of the structure to dissipate energy. In this master thesis, the behaviour of a new cast-in-place composite connector will be discussed. This ultra-high performance fiber-reinforced concrete (UHPFRC) with a steel core ensures stiffness and ductility. The aim of this research is to verify and validate the behaviour of the composite connector by varying the different geometric parameters, namely the diameter and the length. Furthermore, in order to confirm the performance of the new connector, a bending test will be carried out on typical floor beams in comparison with another shear connector. These laboratory tests will also be validated using a simple and complex calculation method to verify the structural behaviour in both Serviceability Limit States (SLS) and Ultimate Limit States (ULS). Finally, this thesis explores the behaviour of a thin slab of UHPFRC connected to a glued laminated timber (GLT) with a long span of 9 m. The TCC beams were designed with a simplified multi-criteria approach. The results confirm the promising potentials, in terms of weight and overall thickness, of using UHPFRC thin slab for future TCC multistory buildings.
Djama, Khaled. "Comportement mécanique d'un panneau sandwich à peaux hybrides et à âme renforcée par des connecteurs en GFRP : étude expérimentale et numérique". Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1332.
Pełny tekst źródłaThe use of sandwich panels in civil engineering is becoming increasingly important thanks to some certain advantages as a good stiffness to weight ratio and easy implementation. However, their growth is hindered by weak points as: significant shear deflection, indentation and buckling of thin composite skins, and fire issues when the panels are made of polymers. Utilization of ribs or connectors trough the core can be a suitable answer to the shear issue. When the skins are made of mineral materials, the panels become fireproof and buckling is avoided by the appropriate compressive behaviour of such materials.This thesis deals with the mechanical behaviour of a sandwich panel composed of hybrid skins (mineral layer and glass fibre reinforced polymer layer) and GFRP truss (glass fibre reinforced polymer) core. The study was split up into three parts: the mechanical behaviour of the GFRP panel, the interface issue between the materials that compose the hybrid skins, and the mechanical response of the large-scale hybrid panel. The cited parts were studied after a mechanical characterisation of each panel component at the material scale. First, the mechanical behaviour of the GFRP structure was experimentally studied through compression, shear and three-point bending tests. Then, a finite element simulation using Hashin model was performed. The model was validated by comparison with the experimental curves of the cited tests. The visualization of the damage evolution confirmed experimental observations of failure modes. At the end of the chapter, the influence of connectors’ geometrical and mechanical parameters (as modulus, inclination, diameter and square density) was studied. The interface between the GFRP layer and the mineral one was first experimentally characterised through tensile and push-out tests to extract the mechanical parameters of mode I and II. Six interface configurations were tested to select the one that mechanically performed the best. In the first four configurations, the roughness of the substrate was increased to improve the mechanical cling. In the last two configurations, we attempted to improve the chemical adherence by applying a primary adhesive layer and by addition of polyvinyl alcohol. A three points bending test was performed on two configurations of hybrid panels: with the reference interface and the one that mechanically performed the best. A cohesive zone model was introduced to predict the interface damage. It was validated by comparison with the experimental data. The mechanical behaviour of large-scale hybrid panels was studied in the last chapter. Experimentally, three configurations were tested: the core thickness and the fibre weight in the GFRP skins were changed. At this scale, two interface configurations were also tested. The proposed numerical model was validated regarding the large-scale experimental responses. Then, it was used to design sandwich structure against façade panels criteria. For a span of 2 m, the wind criterion was satisfied with a core thickness of 5 cm. The panel weight doesn’t exceed 21 kg/m². Finally, the use of the studied sandwich structure as pre-slab panels was numerically assessed through a case study
Talbi, Nabil. "Modélisation du comportement semi-rigide d'un connecteur métallique sous sollicitations statiques". Compiègne, 1996. http://www.theses.fr/1996COMP883S.
Pełny tekst źródłaHannel, Sophie. "Sur l'importance de la transition de glissement en fretting pour la connectique". Ecully, Ecole centrale de Lyon, 2000. http://www.theses.fr/2000ECDL0027.
Pełny tekst źródłaOn all mobile electronic devices, vibrations lead to fretting stresses on electrical connectors contacts. Resulting contact damages hinder the current flow. The main result of this research is the correlation between the electrical behaviour and the fretting sliding condition : for oxygen sensitive materials such as bronze or tin, a partial slip condition guarantees a low and stable electrical resistance, whereas a gross slip condition leads to an irreversible increase and a strong instability of contact résistance. For oxygen insensitive materials such as gold or silver, the electrical behaviour is conditioned by substrate exposure which sooner or later occurs in gross slip. The technological interest lies in the demonstration of a threshold in relative displacement for a satisfactory electrical behaviour. In order to calculate this threshold and thus anticipate the contacts electrical behaviour, a mechanical analysis using 2D finite element modelling of the elastic plastic contact is applied to the experimental bronze/bronze contact. The experimental determination of a relevant friction coefficient, essential input parameter for the efficiency of the model, required an analysis the results of which might be extended to any contact situation involving intense adhesion and plastic deformation. The analysis consists in separating the friction coefficient from obstacle effects and plastic shearing of the interface. Thanks to this analysis, the calculated relative displacement at transition corresponds to that measured in experiments. This experimental validation of the model opens the way to a predictive analysis of the connectors electrical behaviour
Arroyo, Matus Roberto. "Developpement d'un nouveau connecteur pour les poutres mixtes acier-béton : caracterisation statique, cyclique et simulation numerique du comportemen". Lyon, INSA, 1998. http://www.theses.fr/1997ISAL0009.
Pełny tekst źródłaThe important improvements granted between steel and concrete association in composite beams for buildings are fully appreciated since some years ago. In order to optimise the behaviour of this kind of structures, it is highly important to propose innovative fast fastened connection devices, accomplishing a competitive and a more economical connection performance than the classical ones. The main goal of this Work it is to obtain a connection system with those properties. Therefore, the development of a new shear assemblage device has been carried out by our laboratory at the SPIT-FIXINGS Co request. The invention concerns a headed stud which the lower end is welded to a special steel-sheet support. This new L!LJ connecter, fastened with an autocratically powder-actuated tool, aims to diminish the stress transmitted to the concrete and in the other hand, to accept large plastic deformations. Comprehensive experimental work several three dimensional numerical analysis have been performed to characterize and to obtain a better understanding of the mechanical behaviour of this new connecter. The response to cyclic alternated loading has been studied to identify its comportment under seismic solicitations. The behaviour of composite steel concrete beams holding this new connecter has been studied with an elastoplastic model developed at the ~ INSA of Rennes - France. This model has been previously validated with experimental data. The experiment and analytical work has allowed the optimisation of the geometrical characteristics for the first suggested connecter, to finally propose an industrially made-easy, inexpensive and ductile product
Vieux-Champagne, Florent. "Analyse de la vulnérabilité sismique des structures à ossature en bois avec remplissage : essais expérimentaux - modélisation numérique - calculs parasismiques". Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENI085/document.
Pełny tekst źródłaThe seismic vulnerabilty is an important issue in the design of a building. The seismicresistant behavior of timber-framed structures is particularly relevant. Two types of timberframedstructures can be distinguished : the timber-framed structures using industrial products,such as wood-products panels used to brace the structure or metal fasteners, and traditionaltimber-framed structures included infill made of natuarl materials (earth or stones masonry).The seismic resistant behavior efficiency of traditional structures remains poorly recognizedbecause of the lack of research results on this kind of construction.Therefore, the thesis aims at improving the seismic behavior knowledge of timber-framedmasonry. Based on the assumption that their behavior is driven by the response of the metalfasteners connections, a multi-scale approach is proposed. It couples experimental and numericalstudies. At the scale 1 of the connection, at the scale 2 of the elementary constitutive cell ofwalls, at the scale 3 of structural elements such as shear walls and finally at the scale 4 of theentire building.In regards to the experimental work, this method allows, on the one hand, to perform parametricstudies and to analyze the influence of each element (wood member, nails, steel strip,infill, bracing, openings) on the local behavior (scales 1 and 2) and on the global behavior(scales 3 and 4) of the structure. On the other hand, it allows to provide a database to validatethe numerical modeling at each scale.In regards to the numerical work, this multi-scale approach allows to take into account thehysteretic behavior of joints in the development of a macro-element at the scale 2. Thus, thanksto a simplified finite element modeling (macro-element assembly), the computational cost islimited and it allows to take into account the local phenomena. The model is able to predictrelatively accurately the dynamic behavior at the scale 4 of the building, tested on a shakingtable.The study, presented herein, is one of the pioneer work that deals with the analysis of theseismic vulnerability of timber-framed structures with infill panels. This study provides outlookfor the analysis of this type of buildings. It confirms that the timbered masonry structures havea relevant seismic resistant behavior
Perrinet, Olivier. "Analyse de l'endurance de contacts électriques Sn, Au et Ag soumis à des sollicitations complexes de fretting usure". Thesis, Ecully, Ecole centrale de Lyon, 2014. http://www.theses.fr/2014ECDL0009.
Pełny tekst źródłaIn automotive applications and in other areas (energy, aviation, etc.), the number of electronic devices has increased significantly in recent last decades. Systems and people securities are based on the quality of electrical connectors. However, submitted to vibrations (car engine, environment) micro-displacements are induced at the interface. The problem of electrical contact is mainly due to the impairment of low current conduction (5mA) in interfaces subjected to repetitive sliding displacement generating a well-known fretting wear phenomenon. Fretting wear solicitation appears as a process of very detrimental degradation. Besides surface deterioration, this process leads an increase of the electrical contact resistance and a possible loss of the electrical signal. This is particularly the case of the low level connectors which are very sensitive to electrical contact fluctuations. To remedy, connections actors develop new deposits to limit the use of noble ones such as gold. The objectives of this thesis are to establish a "table of use" coatings based on specific solicitations and define a methodology for the selection of deposits to optimize the lifetime connectors. The study covers different aspects such as the mechanical loading conditions influence, the thickness deposits influence, the type of deposit (noble, non-noble, doped), the displacement amplitude (microdisplacement and large displacement) and the electrical endurance formalization (energetic approach and power law)
Pham, Hoai Son. "Optimisation et comportement en fatigue de la connexion bois-BFUP pour de nouveaux ponts mixtes". Phd thesis, Ecole des Ponts ParisTech, 2007. http://pastel.archives-ouvertes.fr/pastel-00003725.
Pełny tekst źródłaKsiążki na temat "Comportement des connecteurs"
Trouillet, Pierre. Comportement local de connecteurs acier/béton sollicités au cisaillement: Étude bibliographique. [Paris]: Ministère de l'équipment, du logement, de l'aménagement du territoire et des transports, Laboratoire central des ponts et chaussées, 1987.
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