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Impact De La Carbonatation Sur Les Proprietes De Transport Deau Des Materiaux Cimentaires
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Book Synopsis Impact de la carbonatation sur les propriétés de transport d'eau des matériaux cimentaires by : Martin Auroy
Download or read book Impact de la carbonatation sur les propriétés de transport d'eau des matériaux cimentaires written by Martin Auroy and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbonatation et transport d'eau dans les matériaux cimentaires by : Martin Auroy
Download or read book Carbonatation et transport d'eau dans les matériaux cimentaires written by Martin Auroy and published by Presses Academiques Francophones. This book was released on 2014-12-04 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans le contexte du stockage des dechets radioactifs (MA-VL), la question de la durabilite des structures en beton arme (alveoles et conteneurs) durant la phase d'exploitation (100 ans) est decisive. En conditions de fonctionnement, le systeme de ventilation assurerait un apport de dioxyde de carbone, soumettant le beton de structure a des phenomenes de sechage et de carbonatation. L'effet de la temperature et du sechage sur la carbonatation a ete evalue par le passe. Afin d'etendre et de completer les donnees acquises, la prise en compte des transferts hydriques simultanes a la carbonatation est essentielle. La durabilite des structures en beton arme est en effet conditionnee par l'evolution de leur etat hydrique tout au long de leur periode de service: par exemple la cinetique de corrosion des armatures dans un enrobage carbonate depend significativement de la quantite d'eau retenue dans la porosite interne. L'evaluation des proprietes de transport d'eau dans les materiaux carbonates, en milieu insature, constitue donc un enjeu majeur pour les instances chargees de la gestion des dechets radioactifs. Cet ouvrage fournit ainsi des elements de reponse precieux pour la profession.
Book Synopsis Modélisation du transport multi-espèces dans les matériaux cimentaires saturés ou non saturés et éventuellement carbonatés by : Xiaomeng Wang
Download or read book Modélisation du transport multi-espèces dans les matériaux cimentaires saturés ou non saturés et éventuellement carbonatés written by Xiaomeng Wang and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans le cadre du projet de recherche de l'IFSTTAR « Approche performantielle et probabiliste de la durée de vie des ouvrages en béton armé », la thèse porte sur la modélisation du transport couplé ions-humidité au travers de bétons éventuellement carbonatés. Une plate-forme de modélisation multi-espèces, qui est basée sur les indicateurs de durabilité et avec différents niveaux de sophistication, a été utilisée. En condition saturée, le transport des ions a été décrit par l'équation de Nernst-Plank et complété par des isothermes des interactions ions/matrice. En condition non saturée, l'advection des phases liquides et gazeuses a été décrite par la loi de Darcy généralisée. L'influence de l'activité chimique sur l'équilibre entre l'eau liquide et vapeur d'eau, ainsi que la cinétique de fixation des ions chlorure ont été prise en compte dans les modèles. La fixation des ions alcalins a été également prise en compte, son influence sur le transport des ions chlorure a été étudiée. Les indicateurs de durabilité (porosité, perméabilité intrinsèque à l'eau et aux gaz) servant comme données d'entrée des modèles ont été déterminés par des mesures directes sur des bétons à base de ciment ordinaire et avec des fortes teneurs en additions minérales (cendres volantes et laitiers). Une méthode d'analyse inverse a été mise en œuvre à partir d'une routine qui intègre un algorithme d'optimisation qui nous a permis de déterminer les propriétés des matériaux plus complexes (coefficient effectif de diffusion, paramètres d'isotherme de fixation et perméabilité intrinsèque à l'eau) à partir des résultats d'essais. Le modèle pour des conditions saturées a été validé par des comparaisons entre des profils de chlorure issus des essais de diffusion et des profils de simulation. Des essais de séchage-imbibition avec une solution saline ou de l'eau pure sur les bétons sains et éventuellement carbonatés ont été réalisés pour valider le modèle en condition non saturée, ainsi que pour mettre en évidence l'influence de la carbonatation sur le transport des ions et sur les transferts hydriques. Outre la compréhension des mécanismes physico-chimiques liés à la durabilité des bétons et détermination des indicateurs de durabilité par analyse inverse, la plate-forme nous permet de prédire le transport des ions et d'humidité suivant la complexité des phénomènes et le niveau de sophistication exigé. Les études menées ont mise en évidence la pertinence et la fiabilité de la plate-forme de modélisation physico-chimique.
Book Synopsis Reactive Transport in Porous Media by : Peter C. Lichtner
Download or read book Reactive Transport in Porous Media written by Peter C. Lichtner and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 34 of Reviews in Mineralogy focuses on methods to describe the extent and consequences of reactive flow and transport in natural subsurface systems. Since the field of reactive transport within the Earth Sciences is a highly multidisciplinary area of research, including geochemistry, geology, physics, chemistry, hydrology, and engineering, this book is an attempt to some extent bridge the gap between these different disciplines. This volume contains the contributions presented at a short course held in Golden, Colorado, October 25-27, 1996 in conjunction with the Mineralogical Society of America's (MSA) Annual Meeting with the Geological Society of America in Denver, Colorado.
Author :FIB – International Federation for Structural Concrete Publisher :FIB - Féd. Int. du Béton ISBN 13 :8001064018 Total Pages :1312 pages Book Rating :4.0/5 (1 download)
Book Synopsis 12th PhD Symposium in Prague Czech Rep by : FIB – International Federation for Structural Concrete
Download or read book 12th PhD Symposium in Prague Czech Rep written by FIB – International Federation for Structural Concrete and published by FIB - Féd. Int. du Béton. This book was released on 2018-08-01 with total page 1312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supplementary Cementing Materials by : Rafat Siddique
Download or read book Supplementary Cementing Materials written by Rafat Siddique and published by Springer Science & Business Media. This book was released on 2011-03-28 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an attempt to consolidate the published research related to the use of Supplementary Cementing Materials in cement and concrete. It comprises of five chapters. Each chapter is devoted to a particular supplementing cementing material. It is based on the literature/research findings published in journals/conference proceeding, etc. Topics covered in the book are; coal fly ash, silica fume (SF), granulated blast furnace slag (GGBS), metakaolin (MK), and rice husk ash (RHA). Each chapter contains introduction, properties of the waste material/by-product, its potential usage, and its effect on the properties of fresh and hardened concrete and other cement based materials.
Book Synopsis Rheology of Fresh Cement and Concrete by : P.F.G. Banfill
Download or read book Rheology of Fresh Cement and Concrete written by P.F.G. Banfill and published by CRC Press. This book was released on 1990-09-27 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together new research information on the flow behaviour of cementitious materials from the UK, France, Italy, Germany, Poland, Finland, USSR, USA and Japan, presented at the International Conference organised by the British Society of Rheology in March 1990.
Book Synopsis Aggregate Quality Requirements for Pavements by : E. Tutumluer
Download or read book Aggregate Quality Requirements for Pavements written by E. Tutumluer and published by . This book was released on 2018 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pore Structure of Cement-Based Materials by : Kalliopi K. Aligizaki
Download or read book Pore Structure of Cement-Based Materials written by Kalliopi K. Aligizaki and published by CRC Press. This book was released on 2005-09-22 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pore Structure of Cement-Based Materials provides a thorough treatment of the experimental techniques used to characterize the pore structure of materials. The text presents the principles and practical applications of the techniques used, organized in an easy-to-follow and uncomplicated manner, providing the theoretical background, the way to analyze experimental data, and the factors affecting the results. The book is the single comprehensive source of the techniques most commonly used for pore structure analysis, covering simple techniques like mercury intrusion porosimetry and water absorption, to the more sophisticated small-angle scattering and nuclear magnetic resonance. The book is an essential reference text for researchers, users, and students in materials science, applied physics, and civil engineering, who seek a deep understanding of the principles and limitations of the techniques used for pore structure analysis of cement-based materials.
Book Synopsis Nuclear Magnetic Resonance Spectroscopy of Cement-Based Materials by : Pierre Colombet
Download or read book Nuclear Magnetic Resonance Spectroscopy of Cement-Based Materials written by Pierre Colombet and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: NMR spectroscopy has become one of the most powerful methods for the study of the structure and dynamics of solid-state materials. NMR has thus become an important tool, not only in the study of existent cements, but also in the development of new cement-based materials. This volume, based on the proceedings of the second international conference on the NMR Spectroscopy of Cement Based Materials held in Bergamo, Italy, in June 1996, presents the only international overview of the state of the art in the use of NMR in the study of cement-based materials. - This book is of particular interest to all those working in the areas of cement science, material science, solid state chemsitry, analytical chemistry, spectroscopy and those areas of physics engaged in the study of materials.
Book Synopsis Concrete Surface Engineering by : Benoit Bissonnette
Download or read book Concrete Surface Engineering written by Benoit Bissonnette and published by CRC Press. This book was released on 2018-10-09 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applying any material to an existing concrete surface intrinsically entails the development of a bond. Considering the ever increasing importance of concrete repair and protection, which imply the creation of an interface between two materials, an improved knowledge of concrete surface characteristics is paramount. Surface engineering, which has evolved from the world of metallurgy, addresses all surface-related considerations, notably adhesion. It provides a fundamental understanding of what will make the contact between two materials effective or not, allowing for interactions of variable intensity. It also comes with a variety of scientific tools for characterizing the quality of the substrate, the properties of the new material layer and their interface. In the case of concrete surface treatment, this is especially important for achieving lasting results. This book addresses the essentials of concrete surface engineering in view of a wide variety of concrete surface treatments, from protective coatings to repairs. It provides a leading-edge source of information for practicing engineers, architects, repair specialists, and researchers on the following topics: Surface engineering principles applied to concrete Methods and techniques for assessing concrete surface characteristics Fundamentals of adhesion between concrete and surface repairs/treatments Compatibility requirements for concrete surface repairs/treatments Review of surface preparation techniques available for concrete Achievement and appraisal of bond between existing concrete and surface repairs/treatments Benoît Bissonnette is professor of civil engineering at Laval University in Quebec City, Canada. Luc Courard is professor of building materials at the University of Liège in Belgium. Andrzej Garbacz is professor of building materials engineering in the Department of Building Materials Engineering at the Warsaw University of Technology in Poland.
Book Synopsis Mechanics of Porous Continua by : Olivier Coussy
Download or read book Mechanics of Porous Continua written by Olivier Coussy and published by Wiley. This book was released on 1995-12-05 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a unified and systematic continuum approach for engineers and applied physicists working on the modelling of porous media. Self-contained, it sets out—from a macroscopic point of view—the main concepts and results of deformable porous media subject to the flow of one or several fluids. The theory presented includes developments in the areas of thermodynamics, poroelastoplasticity, poroviscoplasticity, wave propagation and surfaces of discontinuity, boundary value problems and numerical methods, as well as chemico-mechanical couplings. It can be used for numerous diversified applications in geophysics, civil engineering, biomechanics, material science, etc.
Book Synopsis Mechanics and Physics of Porous Solids by : Olivier Coussy
Download or read book Mechanics and Physics of Porous Solids written by Olivier Coussy and published by John Wiley & Sons. This book was released on 2011-06-28 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanics and Physics of Porous Solids addresses the mechanics and physics of deformable porous materials whose porous space is filled by one or several fluid mixtures interacting with the solid matrix. Coussy uses the language of thermodynamics to frame the discussion of this topic and bridge the gap between physicists and engineers, and organises the material in such a way that individual phases are explored, followed by coupled problems of increasing complexity. This structure allows the reader to build a solid understanding of the physical processes occurring in the fluids and then porous solids. Mechanics and Physics of Porous Solids offers a critical reference on the physics of multiphase porous materials - key reading for engineers and researchers in structural and material engineering, concrete, wood and materials science, rock and soil mechanics, mining and oil prospecting, biomechanics.
Book Synopsis Silicate Science: Silicate structures and dispersoid systems by : Wilhelm Eitel
Download or read book Silicate Science: Silicate structures and dispersoid systems written by Wilhelm Eitel and published by . This book was released on 1964 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt: Silicate Structures and dispersion system ...
Author :International Atomic Energy Agency Publisher :International Atomic Energy Agency ISBN 13 :9789201063205 Total Pages :72 pages Book Rating :4.0/5 (632 download)
Book Synopsis In-Vessel Melt Retention and Ex-Vessel Corium Cooling: IAEA Tecdoc No. 1906 by : International Atomic Energy Agency
Download or read book In-Vessel Melt Retention and Ex-Vessel Corium Cooling: IAEA Tecdoc No. 1906 written by International Atomic Energy Agency and published by International Atomic Energy Agency. This book was released on 2020-08-06 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication results from a technical meeting on phenomenology and technologies relevant to in-vessel melt retention (IVMR) and ex-vessel corium cooling (EVCC). The purpose of the publication is to capture the state of knowledge, at the time of that meeting, related to phenomenology and technologies as well as the challenges and pending issues relevant to IVMR and EVCC for water cooled reactors by summarizing the information provided by the meeting participants in a form useful to practitioners in Member States.
Book Synopsis Geology and Geotechnical Properties of Laterite Gravel by : Ellis L. Krinitzsky
Download or read book Geology and Geotechnical Properties of Laterite Gravel written by Ellis L. Krinitzsky and published by . This book was released on 1976 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Properties of Concrete by : Adam M. Neville
Download or read book Properties of Concrete written by Adam M. Neville and published by . This book was released on 1975 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: