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Academic literature on the topic 'Béton – Chimie'
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Journal articles on the topic "Béton – Chimie"
Benveniste, Annie. "La Jerusalem de béton et de boue." Chimères 62, no. 3 (2006): 133. http://dx.doi.org/10.3917/chime.062.0133.
Full textHAOUAS, Adnan. "La microfissuration d'origine chimio-thermo-mécanique dans les mortiers et bétons industriels." Revue Française de Génie Civil 8, no. 1 (January 2004): 116. http://dx.doi.org/10.1080/12795119.2004.9692577.
Full textde Visscher, Emile, and Ophélie Maurus. "Petrification." .able journal, no. 1 (2023). http://dx.doi.org/10.69564/able.fr.23001.petrification.
Full textDissertations / Theses on the topic "Béton – Chimie"
Yammine, Joumana. "Rhéologie des bétons fluides à hautes performances : relations entre formulations, propriétés rhéologiques, physico-chimie et propriétés mécaniques." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2007. http://tel.archives-ouvertes.fr/tel-00482782.
Full textFaucon, Pascal. "Durabilite du beton : physico-chimie de l'alteration par l'eau." Cergy-Pontoise, 1997. http://www.theses.fr/1997CERG0020.
Full textCourault, Anne-Christine. "Simulation expérimentale des C-S-H (CaO-SiO₂-H₂O) dans les bétons modernes : étude de la composition et des propriétés à l'équilibre dans des milieux complexes." Dijon, 2000. http://www.theses.fr/2000DIJOS091.
Full textPlanel, David. "Les effets couplés de la précipitation d'espèces secondaires sur le comportement mécanique et la dégradation chimique des bétons." Marne-la-Vallée, 2002. http://www.theses.fr/2002MARN0131.
Full textSulfate attack of cement-based materials remains an important problem for the durability assessment of containers and disposal engineering barriers dedicated to the long-term storage of radioactive wastes since underground water which may reach these elements contains small quantities of sulfates (7-31 mmol/l). This work contributes to the study of sulfate-induced damage mechanisms, to their understanding and modelling. The experimental phases of this study aimed at the understanding of the different physico-chemical phenomena involved during an external sulfate attack at following their evolution and their impact on the transport and mechanical properties of the material. Leaching experiments in pure water and in a solution of sodium sulfate (with a sulfate content of 15 mmol/l) , have been performed simultaneously on OPC paste (w/c 0,4)in order to allow a comparison of test results. The frequent analysis of the leachant has shown a consumption of sulfate ions by the matrix, proportional to the square rate of time. The use of X-Ray Diffraction on powders, obtained by « scraping » the calcium-depleted part of the samples, led a precise view of the cement paste mineralogy, during sulfate attack. The use of Scanning Electron Microscopy (SEM) and Energy Dispersive Spectrometer (EDS) confirmed the correctness of XRD profiles and brought important informations concerning cracking distribution and localisation. In addition, a visual monitoring of crack appearance and evolution completed the previous observations. Based on these experimental results, a simplified model accounting for the chemical degradation of cement paste in sulfated water has been proposed. A geochemical code, coupling the chemistry in solution with the reactive transport in porous media has been used for this purpose. The model accounts for the evolution of transport properties (diffusivity) associated with the calcium-depleting of the cement matrix and the precipitation of secondary phases (gypsum, ettringite) in the porous space. The results of the reactive transport calculations have then been used to model the mechanical behaviour of the samples subjected to a sulfate attack. The constitutive mechanical model used in this study, is based on physical concepts like the generation of internal auto-stresses in concrete, induced by the precipitation of secondary phases in the porous space. It accounts for anisotropic damage and assumes that cracking can appear depending on several thresholds associated with the behaviour of the material in tension, compression and related to internal stresses originating from secondary phases precipitation
Michaud, Valérie. "Simulation expérimentale de l'alcali-réaction des bétons : étude de l'influence des ions sulfate." Dijon, 1995. http://www.theses.fr/1995DIJOS067.
Full textKada-Benameur, Hassina. "Techniques de mesures fluxmétriques appliquées à l'étude de la cinétique d'hydratation des bétons : calorimétrie isotherme et mesures directes sur ouvrages." Artois, 1998. http://www.theses.fr/1998ARTO0203.
Full textLibessart, Laurent. "Influence de la composition des agents de démoulage à l'interface coffrage-béton : impact sur l'esthétique des parements en béton." Artois, 2006. http://www.theses.fr/2006ARTO0208.
Full textVery common in the civil engineering industry, release agents are used to facilitate the release of the concrete from the mould. On site, they are sprayed onto the surface of the moulds or onto the formwork before concrete pouring. This CIFRE thesis deals with the behaviour of oils at the concrete/oil/formwork interface. Indeed, the role of form release oils is to prevent the adhesion of the concrete to the walls, to improve the aspect of the facings and to fight against the corrosion of steel surfaces. The most used oils are of mineral origin, but they cause nuisances to the users and the environment. In order to solve the problem, vegetable-based formulations were developed. So as to know the influence of certain chemical parameters on the performances of oils, formulations were carried out on the two families so that each parameter could be analyzed. First of all, the evolution of the viscosity of oils was studied according to temperature. Then, the formwork/oil interface was characterized by means of optical microscopy and electrochemical impedance spectroscopy. Measurements of drop angles and surface tensions were also performed in order to study the adhesion of oil to the wall. To finish, tests using a plane-on-plane tribometer and aesthetics study of concrete facings were made. The results enabled us to define the mechanisms intervening in the concrete/oil/formwork interface. Mineral oils act physically by forming a film isolating the wall from the concrete whereas vegetable esters in contact with the concrete generate insoluble, hydrophobic carboxylates
Dehaudt, Sylvain. "Étude de la dégradation d'un béton soumis à la réaction alcali-granulat." Lille 1, 2002. https://pepite-depot.univ-lille.fr/RESTREINT/Th_Num/2002/50376-2002-193.pdf.
Full textLantheaume, Sylvie. "Les microlaitiers métallurgiques : procédés d'obtention, réactivité et traitement thermique." Toulouse, INSA, 1995. http://www.theses.fr/1995ISAT0042.
Full textPerez, Jean-Philippe. "Etude de l'hydratation des phases constitutives d'un ciment Portland et de la résistance mécanique des pâtes pures et mortiers : influence des trialcanolamines." Dijon, 2002. http://www.theses.fr/2002DIJOS012.
Full textBooks on the topic "Béton – Chimie"
Lars-Olof, Nilsson, and Basheer, P. A. Muhammad (Paliakarakadu Assen Muhammed), eds. Resistance of concrete to chloride ingress: Testing and modelling. London: Spon Press, 2012.
Find full textHewlett, Peter. Lea's Chemistry of Cement and Concrete. Elsevier Science & Technology Books, 2003.
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