Academic literature on the topic 'Mortier – Teneur en eau'
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Journal articles on the topic "Mortier – Teneur en eau"
LARZUL, C., P. E ROY, G. MONIN, and P. SELLIER. "Variabilité génétique du potentiel glycolytique du muscle chez le porc." INRAE Productions Animales 11, no. 3 (June 3, 1998): 183–97. http://dx.doi.org/10.20870/productions-animales.1998.11.3.3937.
Full textKoussa, Tayeb, Michel Broquedis, and Jacques Bouard. "Relations entre la teneur en acide abscissique des bourgeons latents de vigne (Vitis Vinifera L. var. Merlot noir) et leur teneur en eau." OENO One 28, no. 3 (September 30, 1994): 203. http://dx.doi.org/10.20870/oeno-one.1994.28.3.1142.
Full textDaghari, H., and L. DeBacker. "Transfert d'eau dans un milieu poreux non isotherme." Revue des sciences de l'eau 13, no. 1 (April 12, 2005): 75–84. http://dx.doi.org/10.7202/705382ar.
Full textNowakowski, Wiesław. "Action de I'AlA sur la teneur en azote total et protéinique des graines de céréales cultivées à different niveau de la capacité capillaire en eau." Acta Agrobotanica 26, no. 1 (2015): 89–95. http://dx.doi.org/10.5586/aa.1973.006.
Full textSommier, Alain, Christophe Pradere, Hocine Boutaleb, Laura Rodriguez, Denis Bruneau, Jean-Rodolphe Puiggali, and Jean-Christophe Batsale. "Mesure de cartographies de teneur en eau par imagerie térahertz." Instrumentation Mesure Métrologie 15, no. 3-4 (December 30, 2016): 161–75. http://dx.doi.org/10.3166/i2m.15.3-4.161-175.
Full textBen Nasrallah, S., and G. Arnaud. "Séchage d'un milieu poreux contenant une faible teneur en eau." International Journal of Heat and Mass Transfer 29, no. 9 (September 1986): 1443–49. http://dx.doi.org/10.1016/0017-9310(86)90176-6.
Full textLocat, Jacques, and Guy Lefebvre. "Étude de la formation des sédiments fins glacio-lacustres du lac Barlow-Ojibway : le site d’Olga, Matagami, Québec." Géographie physique et Quaternaire 35, no. 1 (January 25, 2011): 93–103. http://dx.doi.org/10.7202/1000381ar.
Full textAlonso, E. "Effet des variations de teneur en eau dans les sols compactés." Revue Française de Géotechnique, no. 62 (1993): 7–22. http://dx.doi.org/10.1051/geotech/1993062007.
Full textLévi, Y., G. Randon, C. Denojean, A. Pagliardini, G. Vajente, and H. Champsaur. "Etude d'un réseau à très faible teneur en matière organique biodégradable : le réseau de la ville de Nice." Revue des sciences de l'eau 5 (April 12, 2005): 225–43. http://dx.doi.org/10.7202/705162ar.
Full textMajdoub, R., J. Gallichand, and J. Caron. "Estimation De La Teneur En Eau Immobile Et Du Coefficient D’Échange Selon Deux Méthodes." Canadian Water Resources Journal 26, no. 4 (January 2001): 481–502. http://dx.doi.org/10.4296/cwrj2604481.
Full textDissertations / Theses on the topic "Mortier – Teneur en eau"
Le, Thang. "Influence de l’humidité des granulats de béton recyclé sur le comportement à l’état frais et durcissant des mortiers." Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL10160/document.
Full textImproved techniques of characterization of recycled concrete aggregate (RCA) and a better understanding of the properties of concrete based on RCA would promote their use. The aim of this work is to study the influence of the state of saturation of RCA, especially of recycled sand, on the fresh and hardened behavior of mortars. The first part of this work is dedicated to the study of water absorption of recycled sand (RS) by different methods. The results show that the water absorption of RS is greater than that of natural sand (NS). However, the water absorption value of the RS is closely related to the used method and the pre-saturation mode. The second part is dedicated to the influence of the saturation state of aggregates on the workability of mortars. The results show that the initial saturation state, the pre-saturation mode and the pre-saturation time significantly influence the workability of the mortars. The influence of the saturation state of recycled aggregates on the hardened behavior of mortar is then studied with two mortars based on recycled dry or over-saturated sand. The microstructure is explored by scanning electron microscopy (SEM) followed by image analysis and by indentation test under the SEM. The compressive strength of mortars containing RS is lower than that of mortars made with NS. Moreover, the initial saturation state of RS does not influence significantly the compressive strength of mortars, the mean porosity of the new interfacial transition zone (ITZ) and the micro-hardness of the cement matrix. However, the saturation state influences significantly the distribution of meso-porosity in the new ITZ
Zhao, Zengfeng. "Valorisation des sables de béton recyclé pour la fabrication de mortiers." Thesis, Lille 1, 2014. http://www.theses.fr/2014LIL10004/document.
Full textVery large quantities of construction and demolition wastes and especially concrete wastes are produced yearly. At the same time, high amounts of natural aggregates are needed for construction industry. Up to now, only a small fraction of these concrete wastes is re-used as recycled concrete aggregates (RCA) for the manufacture of concrete. RCA are composed of an intimate mix between aggregates and hardened cement paste (HCP). Hardened cement paste is much more porous than the natural aggregates and the properties and proportions of HCP largely influence the properties of RCA. As a consequence, the fine fraction of RCA (FRCA), essentially composed of mortar and cement paste, possesses a large water demand which makes it harder to recycle into concrete.The objective of this research is to better understand the role played by HCP on the properties of RCA in relation with the improvement of the characterization methods of these materials and their reuse in the manufacture of mortar or concrete. Firstly, an experimental method based on salicylic acid dissolution allowing to determine HCP content of FRCA is developed. FRCA properties are then studied as a function of hardened cement paste content, particle sizes and properties/composition of the original concrete. From the obtained relationship between water absorption and cement paste content, the water absorption coefficient of the smaller fraction (0/0.63mm) can be estimated whereas it is difficult to measure. Secondly, different industrial RCA are characterized which allows us to expand the preceding conclusions to “real RCA”, meanwhile, the influence of carbonation on the properties of FRCA is also carried out. Finally, the influence of the saturation state of FRCA on the properties of fresh and hardened mortars and on their microstructure is explored. The recycled mortars with dry FRCA have better compressive strength than that with saturated FRCA, which is confirmed by the study of ITZ properties. The mechanical properties of mortars with different RCA content and replacement fraction are determined. The finer fraction of RCA has a worse influence on the mechanical properties of RAC than the coarser fraction
Chen, Da. "Modélisation du comportement hydromécanique d'un mortier sous compression et dessiccation." Lille 1, 2005. https://pepite-depot.univ-lille.fr/RESTREINT/Th_Num/2005/50376-2005-276.pdf.
Full textMonlouis-Bonnaire, Jean-Philippe. "Modélisation numérique des transferts couplés air-eau-sel dans les matériaux cimentaires et les terres cuites." Toulouse 3, 2003. http://www.theses.fr/2003TOU30135.
Full textRougelot, Thomas. "Étude expérimentale multi-échelles des couplages hydriques, mécaniques et chimiques dans les matériaux cimentaires." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10115/document.
Full textTo determine the hydro-mechanical and chemical behaviour in cementitious materials is a key point to predict the durability of a structure submitted to complex stresses, such as the radioactive waste underground disposaI. This work is performed on mortars and cement pastes, with two distinct water-to-cement ratios. Coupling between hydric stresses by drying, hydro-chemical effect of calcium leaching, and the mechanical behaviour of the material, with a focus put on damage and strains evolution, are studied. Moreover, the experimental approach tries to characterize the physical phenomenons with a multi-scale view. From microscopic aspects, the characterization of the porous network is obtained by means of desorption isotherms and mercury intrusion. The influence of the W/C ratio is highlighted. Then, in a 4D approach of coupling effects between calcium leaching and cracking is conducted with X-ray microtomography (resolution: 5 µm). The restrained shrinkage due to differential strains in aggregates and cementitious matrix is shown as the cause of microcracking. ln addition, a pre-cracking increases the chemical degradation of the material. From macroscopic aspects, the shrinkage due to a smooth drying is experimentally determined, and a poromechanical model is then proposed. The diffuse microcracking effects appear to have more importance on the desorption than several localized macrocracks. Finally, the decrease in the saturation of the material modifies the splitting tensile strength. This could be due to a competitive effect between shrinkage, stresses and the influence of the aggregates in the cracking energy. Some preliminary tests are also conducted in direct tension
Trauchessec, Romain. "Mélanges de ciments sulfoalumineux et Portland." Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0234/document.
Full textBlends of ordinary Portland cement and sulfoaluminate cement are innovative hydraulic binders allowing control of concrete properties such as hardening speed or dimensional stability for specific applications. Moreover, carbon dioxide emissions linked to sulfoaluminate cement are significantly reduced compared to ordinary Portland cement. The binder properties can be adjusted due to the diversity of blends conceivable with these two constituents. Each blend has its own hydration kinetic and properties. For example, some blends are expansive and the hardening is progressive whereas other mixtures are dimensionally stable but their strength stagnates after few days. Identification and control of the parameters responsible of these comportments are necessary in order to guaranty specific properties for each application: screed, repairing mortar, etc. This is the aim of this study which described the hydration kinetic, the properties and composition of three blends containing 85 %, 70 % and 40 % of Portland cement. These experiments are completed by thermodynamic modeling of the hydration mechanisms. The effect of the Portland cement composition has also been tested. Finally, it's shown that anhydrite and calcium hydroxide are two key parameters which modify radically the hydration process and allow the properties adjustment required for the blend used
Omikrine, Metalssi Othman. "Étude des couplages hydratation-échanges hydriques-carbonatation dans les mortiers modifiés polymères." La Rochelle, 2007. http://www.theses.fr/2007LAROS200.
Full textThe exhibition of polymer modified mortars used as surface coating in an aggressive environment can affect their durability. The CO2 is one of these aggressive elements. Several studies took an interest in the carbonation of the reinforced concrete, where process leads to the corrosion of reinforcing steel. On the other hand, we find not enough studies concerning the case of polymer modified mortars. That's why, the objective of this thesis is to treat the special feature of the carbonation process in the case of this type of mortar by doing an experimental study based on phenolphthalein spraying, thermogravimetric analysis (TGA), scanning electronic microscopy (SEM), water and mercury intrusion porosimetry, mechanical tests and shrinkage evolution. The investigation of the carbonation is accomplished by the coupling of the phenolphthalein spraying with TGA. The effect of the cure on carbonation kinetics and consequences of this phenomenon on the physical and mechanical evolution could be comprehended (dimensional and weight stabilities, mechanical resistance, microstructure). Finally, a modelling of coupling hydration-water exchanges was suggested by the resolution of the equations of mass conservation. It allowed to predict the evolution of the degree of hydration and the porosity of the material. The validation of the model shows a good concordance with the experimental values of hydration
Kara-Ali, Ramdane. "Influence des additions minérales sur le besoin en eau et les résistances mécaniques des mélanges cimentaires." Cergy-Pontoise, 2002. http://www.theses.fr/2002CERG0252.
Full textVan, Hullebusch Eric. "Contribution à l'étude du devenir, de la mobilité et de l'impact de métaux utilisés pour le traitement de plans d'eau eutrophes : cas de l'aluminium et du cuivre." Limoges, 2002. http://www.theses.fr/2002LIMO0016.
Full textSamri, Driss. "Analyse physique et caractérisation hygrothermique des matériaux de construction." Lyon, INSA, 2008. http://theses.insa-lyon.fr/publication/2008ISAL0067/these.pdf.
Full textBuilding materials are porous materials, and therefore very sensitive to water. Due to variable hermodynamical ambient conditions, processes of energy and mass transfers between the ambient air and the material occur. These exchanges lead to important modification of their thermal properties and their durability. For instance, measurements of the thermal conductivity of Hemp Lime Concrete, placed in climatic chamber in which the relative humidity is 75%, show a variation of 30%. This PhD Thesis deals with the case of three porous buildin materials: Aerated Autoclaved Concrete (AAC), Hemp Lime Concrete (HLC) and Vertically Perforated Brick (VPB). The hygrothermal behaviour of these materials is studied with the experimental set-up called cell of exchange. This cell consists of test walls which are place between a climatic box and the laboratory. The scope of this experimental work is to create gradients of temperature and of relative humidity through the sample. So, the study aims to measure and characterise heat and mass flows in these materials. Ln a second part, simulation are performed to design, expiain and interpret the experimental results. They are done in COMSOL Multiphysics. Ln a first approach, only the heat equation in 1 D has been implemented in the toolbox. Comparisons between experimental and theoretical results gives us the therm properties of tested materials (ʎ,ρ,c,hs et a). The numerical modeling approach shows that, contrary to AAC or VPB, HLC involves a complex interaction between heat transport and mass transfer through the material. So, simulations on HLC are investigated through the problematic of phase change materials
Books on the topic "Mortier – Teneur en eau"
biologiques, Canada Ministère des pêches et des océans Direction des sciences. Comportement géochimique de l'aluminium dans quelques rivières à saumon de la Côte-Nord (golfe du Saint-Laurent). Mont-Joli, Qué: Ministère des pêches et des océans, Direction des sciences biologiques, 1989.
Find full textBolinder, Martin. Indicator of risk of water contamination: Methodology for the phosphorus component. Ottawa: Agriculture and Agri-Food Canada, 1998.
Find full textBolinder, Martin. Indicateur des risques de contamination de l'eau: Méthodologie pour la composante phospore. [Ottawa?]: Agriculture et agroalimentaire Canada, 1998.
Find full textBothwell, Max L. Régulation de la production et de la biomasse algales par le phosphore dans la rivière Thompson, Colombie-Britannique. Saskatoon, Sask: Centre national de recherche en hydrologie, 1989.
Find full textCanada. Ministère des pêches et des océans. Développement, Évaluation Sensorielle et Stabilité Microbiologique D'une "Bouchée" et D'une Garniture de Poisson A Teneur Moyenne en Eau". S.l: s.n, 1987.
Find full textMacDonald, K. Bruce. Indicator of risk of water contamination: Nitrogen component. Ottawa: Agriculture and Agri-Food Canada, 1996.
Find full textOffice, Canada National Guidelines and Standards. Canadian guidance framework for the management of phosphorus in freshwater systems. Ottawa: Environment Canada, National Guidelines and Standards Office, 2004.
Find full textInternational Agency for Research on Cancer., ed. Some drinking-water disinfectants and contaminants, including arsenic. Lyon, France: IARC Press, 2004.
Find full text(US), National Research Council. Arsenic in Drinking Water: 2001 Update. National Academies Press, 2001.
Find full textBook chapters on the topic "Mortier – Teneur en eau"
CHANZY, André, Patrick BERTUZZI, and Laurent BRUCKLER. "Estimation de la teneur en eau de surface des sols nus à l’aide des mesures hyperfréquences actives." In Télédétection de l'environnement dans l'espace francophone, 55–74. Presses de l'Université du Québec, 2011. http://dx.doi.org/10.2307/j.ctv18pgwp2.10.
Full textBore, Thierry, Dominique Placko, Sylvie Delepine-Lesoille, Frédéric Taillade, Pierre Sabouroux, and Gonzague Six. "Sonde électromagnétique pour la mesure de teneur en eau des matériaux poreux. Application aux argilites : caractérisation et modélisation." In Instrumentation et Interdisciplinarité, 81–86. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6-010.
Full textBore, Thierry, Dominique Placko, Sylvie Delepine-Lesoille, Frédéric Taillade, Pierre Sabouroux, and Gonzague Six. "Sonde électromagnétique pour la mesure de teneur en eau des matériaux poreux. Application aux argilites : caractérisation et modélisation." In Instrumentation et Interdisciplinarité, 81–86. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6.c010.
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