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Academic literature on the topic 'Bois – Propriétés mécaniques'
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Journal articles on the topic "Bois – Propriétés mécaniques"
Lanvin, Jean-Denis, Didier Reuling, Nicolas Magne, et al. "Classement des sciages de Tremble en bois construction." Revue forestière française 73, no. 1 (2021): 53–65. http://dx.doi.org/10.20870/revforfr.2021.4994.
Full textSegla, Kossi Novinyo, Adzo Dzifa Kokutse, Kossi Adjonou, et al. "CARACTÉRISTIQUES BIOPHYSIQUES DU BOIS DE PTEROCARPUS ERINACEUS (POIR.) EN ZONES GUINÉENNE ET SOUDANIENNE AU TOGO." BOIS & FORETS DES TROPIQUES 324, no. 324 (2015): 51. http://dx.doi.org/10.19182/bft2015.324.a31266.
Full textDjoudi, Tarek, Mabrouk Hecini, Daniel Scida, Youcef Djebloun, and Belhi Guerira. "Caractérisation physique et mécanique du bois et des fibres issus d’une palme mûre de palmier dattier." Matériaux & Techniques 106, no. 4 (2018): 403. http://dx.doi.org/10.1051/mattech/2018056.
Full textELAIEB, Mohamed Tahar, Abdelhamid KHALDI, and Kévin CANDELIER. "IMPACTS OF LOCATION AND FORESTRY CONDITIONS ON SOME PHYSICAL AND MECHANICAL PROPERTIES OF NORTHERN TUNISIAN PINUS PINEA L. WOOD." BOIS & FORETS DES TROPIQUES 324, no. 324 (2015): 65. http://dx.doi.org/10.19182/bft2015.324.a31267.
Full textHounlonon, Montcho Crépin, Clément A. Kouchade, and Basile B. Kounouhewa. "PROPRIÉTÉS PHYSIQUES ET MÉCANIQUES DU BOIS DE TECK DE PROVENANCES TANZANIENNE ET LOCALE AU BÉNIN." BOIS & FORETS DES TROPIQUES 331 (July 21, 2017): 45–53. http://dx.doi.org/10.19182/bft2017.331.a31325.
Full textElaieb, Mohamed Tahar, Ahmed Namsi, Marie Tella, Gaël Senecal, Marie-France Thevenon, and Kévin Candelier. "A natural ancestral saltwater treatment to modify the technological properties of date palms." BOIS & FORETS DES TROPIQUES 338 (February 11, 2019): 15. http://dx.doi.org/10.19182/bft2018.338.a31676.
Full textDétienne, Pierre, and Michel Vernay. "Les espèces du genre Tabebuia susceptibles de fournir le bois d'ipé." BOIS & FORETS DES TROPIQUES 307, no. 307 (2011): 69. http://dx.doi.org/10.19182/bft2011.307.a20483.
Full textKokutse, Adzo Dzifa, Kossi Adjonou, Kouami Kokou, and Messanvi Gbeassor. "Problématique de la performance du teck de provenance tanzanienne par rapport au teck local en plantation au Togo." BOIS & FORETS DES TROPIQUES 302, no. 302 (2009): 43. http://dx.doi.org/10.19182/bft2009.302.a20399.
Full textTaghiyari, Hamid R., Sadegh Maleki, and Vahid Hassani. "EFFECTS OF NANO-SILANE ON THE PHYSICAL AND MECHANICAL PROPERTIES OF ORIENTED STRAND LUMBER (OSL)." BOIS & FORETS DES TROPIQUES 330, no. 330 (2017): 49. http://dx.doi.org/10.19182/bft2016.330.a31318.
Full textDOUGABKA, Dao, Jean GÉRARD, Tikri BIANZEUBE, et al. "Variations des caractéristiques physiques et mécaniques du bois de Balanites aegyptiaca en fonction de trois provenances." BOIS & FORETS DES TROPIQUES 349 (September 15, 2021): 7–21. http://dx.doi.org/10.19182/bft2021.349.a36776.
Full textDissertations / Theses on the topic "Bois – Propriétés mécaniques"
Langbour, Patrick. "Rigidité de l'arbre sur pied, indicateur de l'élasticité longitudinale du bois : application aux peupliers." Vandoeuvre-les-Nancy, INPL, 1989. http://www.theses.fr/1989NAN10200.
Full textChazelas, Jean-Louis. "Caractéristiques physiques et mécaniques locales du bois dans la zone des noeuds." Clermont-Ferrand 2, 1990. http://www.theses.fr/1990CLF21231.
Full textBordonne, Pierre Antoine. "Module dynamique et frottement intérieur dans le bois : mesures sur poutre flottantes en vibrations naturelles." Vandoeuvre-les-Nancy, INPL, 1989. http://www.theses.fr/1989NAN10387.
Full textMariotti, Nicolas. "Caractérisation des propriétés physico-mécaniques de bois densifié thermo-hygromécaniquement." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27323/27323.pdf.
Full textBigué, Paré Alexandre. "Amélioration des propriétés mécaniques de surface du bois par imprégnation sous vide en continu." Master's thesis, Université Laval, 2021. http://hdl.handle.net/20.500.11794/69375.
Full textThis master's project is carried out under the direction ofAndré Bégin-Drolet and Pierre Blanchet as part of the CRSNG – Canlak en finition des produits du bois d’intérieur (CRIF). The main objective is to provide knowledge to guide the densification and hardness increase of engineered floorboards of industrial scale production in order to make floors more durable and resistant. The literature review initially concluded that vacuum impregnation is the fastest and most effective method of surface densification for wood. The models discussed, including that of Fito et al.[1], as well as fluid mechanics models, revealed the optimal impregnation parameters. These include the viscosity of the impregnation formulation, which should be as low as possible in order to maximize penetration into the wood pores. The liquid impregnates by filling the pores of the wood and then sets through polymerization, making the wood more durable. In a second step, it is proposed to carry out vacuum impregnation continuously and automatically. Two real prototypes have been designed in order to confirm the chosen impregnation parameters as well as to find a sequence of operation. Finally, an automated prototype allowing the impregnation of engineering floor boards is presented. It is evaluated at $125,000 for total manufacturing costs and gives a production rate of 0.7 m²/sec.
Adalian, Céline. "Comportement du bois en compression dynamique multiaxiale : application à la simulation de crashs de conteneurs." Bordeaux 1, 1998. http://www.theses.fr/1998BOR10614.
Full textWood is a material used a energy absorbing device in containers for the transportation of dangerous materials. The design of these containers is more and more often done with finite element modelling. So, the aim of this research work was to create a numerical model for wood, the "wood model" in order to describe the behaviour of wood under dynamic multiaxial compression. We present experimental results and their analytical modelling for wood under static and dynamic compression which involves large deformations. This "wood model" is based on the experimental results mentioned before. It is used in a finite element explicit non-linear dynamic code. LS-DYNA3D. By this way, we can compare this model with other models used to characterize wood model as impact limiter crashed at 52 to 65 m/s with numerical results made with our wood model and with other numerical materials types used to model the behaviour of wood under compression with large deformations
Paes, Torquato Luciane. "Modélisation de la stabilité dimensionnelle et des propriétés mécaniques du bois d’épinette noire." Doctoral thesis, Université Laval, 2021. http://hdl.handle.net/20.500.11794/68341.
Full textBending strength, stiffness, and dimensional stability of wood are determining properties fortheir potential use in building structure and added-value products. A detailed knowledge of the variation patterns of the properties inside a tree is essential to optimize the use of this renewable resource and to develop high-performance products. This PhD project’s goal is to characterize and model the variation pattern for bending strength, stiffness, and dimensional stability within the tree as a function of different parameters (radial distance, the height ofthe stem, the ring width) and taking into account the history of the stands. This general objective was pursued by the means of the specific objectives to : 1) describe the variation pattern of the physico-mechanical properties from pith to the bark (i.e. as a function ofcambial age) and in the longitudinal axis of the stem; 2) model the effect of the radial growth rate on the physico-mechanical properties; 3) model the effect of the basic specific densityon the physico-mechanical properties and examine the differences between the two types of stand structures (regular and irregular). The study focused on black spruce (Picea mariana[Mill.] B.S.P.), a species of high commercial importance in Canada. Sixty trees were sampled in twelve stands located north and south of the North Shore region, thirty trees in six standsin Abitibi-Témiscamingue and forty-two trees from Lac Saint-Jean. This study used astatistical modelling approach to relate flexural strength, stiffness and dimensional stability parameters to variables such as cambial age and annual growth rate. The stands were sampled with a known time since the last fire because this is known to influence stand structure and tree growth. The results confirmed that cambial age is clearly the most important source ofradial direction variation in wood properties, which could be used as a predictive variable. The ring width had a small additional influence to explain the variations in mechanical and dimensional stability properties. The fast-growing wood in regular stands had superior mechanical properties and were less dimensionally stable. Slow-growing trees from unevenaged, irregular stands may produce less dense late wood, which would tend to reduce mechanical properties and increase the dimensional stability of the material. Thus, these properties may be affected by the patterns of intra-ring variation in wood density. The effect of stand type on the wood physico-mechanical properties may also be due to the presence of mild compression wood, which can occur in trees of layer origin or in trees subjected togreater or more complex mechanical stimuli. Analyses also indicate that wood density and cambial age measurements can be used to estimate dimensional stability and mechanical properties. In addition, prediction indices have shown that it is preferable to predict dimensional stability from MOE and cambial age measurements rather than opting for the opposite case, i.e., estimating mechanical properties from dimensional stability. These results could have practical implications for decision-making in forest management and wood allocation. The selection of forest stands to produce black spruce wood for either high dimensional stability or high mechanical properties may be an interesting option that emerges from our results. In general, the modelling results were able to clearly characterize the differences between the two types of stand structures. However, further fundamental researchis needed to elucidate the mechanisms of wood formation that are responsible for differences in properties related to the growth environment in these two types of stand, including the internal structure of growth rings and the ultrastructure and chemical composition of the cell wall of wood tracheids, in order to obtain a more complete tool of simulation of wood qualityfor black spruce.
Paradis, Normand. "Relations entre les propriétés mécaniques du bois et les vitesses acoustiques mesurées à trois étapes du processus de transformation du bois." Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/27950/27950.pdf.
Full textGuerrin, Gilles-Marc. "Caractérisation en flexion quasi statique et dynamique d'un matériau thermo-hygroviscoélastique : le bois." Vandoeuvre-les-Nancy, INPL, 1990. http://www.theses.fr/1990INPL004N.
Full textCaumes, Philippe. "Rupture d'un matériau anisotrope en conditions polymodales (le bois)." Bordeaux 1, 1987. http://www.theses.fr/1987BOR10559.
Full textBooks on the topic "Bois – Propriétés mécaniques"
W, Perkins Richard, American Society of Mechanical Engineers. Applied Mechanics Division., American Society of Mechanical Engineers. Materials Division., and ASME Joint Applied Mechanics and Materials Division Meeting (1999 : Syracuse, New York), eds. Mechanics of cellulosic materials, 1999: Presented at the 1999 ASME Joint Applied Mechanics and Materials Division Meeting : June 27-30, 1999, Blacksburg, Virginia. American Society of Mechanical Engineers, 1999.
Mechanics of Cellulosic Materials: Presented at the 1999 Asme International Mechanical Engineering Congress and Exposition : November 14-18, 1999, Nashville, Tennessee (Amd). Amer Society of Mechanical, 1999.