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Proprietes Mecaniques Des Couches De Produits De Corrosion A Linterface Acier
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Book Synopsis Propriétés mécaniques des couches de produits de corrosion à l'interface acier by : Anita Dehoux
Download or read book Propriétés mécaniques des couches de produits de corrosion à l'interface acier written by Anita Dehoux and published by . This book was released on 2012 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: La prise en compte du développement des couches de corrosion d'armature dans les calculs de durée de vie d'ouvrage en béton armé nécessite une bonne connaissance des propriétés mécaniques de ces produits. Ce travail est consacré à la caractérisation des propriétés mécaniques de ces couches de produits de corrosion. L'approche adoptée consiste en une identification des propriétés de la microstructure complétée par des calculs d'homogénéisation en élasticité linéaire afin de calculer un comportement mésoscopique des couches de produits de corrosion. L'étude comprend une série de campagnes expérimentales à l'échelle de la microstructure. Des essais de microindentation Vickers analysés par une approche de modèle de mélanges gaussien ont permis l'acquisition de duretés et modules d'élasticité locaux. Une analyse des principaux composants est réalisée par microspectrométrie Raman. L'étude à l'échelle microscopique fournit les informations morphologiques et mécaniques nécessaires aux calculs d'homogénéisation en élasticité linéaire. La première approche a consisté en des calculs d'homogénéisation des milieux aléatoires par des schémas autocohérent et autocohérent généralisé. Dans une deuxième approche, et d'après les hétérogénéités importantes observées pour la microstructure qui ne présente pas de motif régulier, des calculs de modules effectifs ont été réalisés en employant la méthode des éléments finis sur des images 2D prises au microscope optique. Le corpus étant composé d'échantillons de provenances et d'âges divers, leurs microstructures ont été comparées
Book Synopsis Service Life and Durability of Reinforced Concrete Structures by : Carmen Andrade
Download or read book Service Life and Durability of Reinforced Concrete Structures written by Carmen Andrade and published by Springer. This book was released on 2018-09-15 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the 8th International PhD Student Workshop on Service Life and Durability of Reinforced Concrete Structures that was held in Marne-la-Vallée, France, on September the 26th and 27th 2016. Topics discussed in the book are related to durability performance of reinforced concrete, service life modelling, prevention, protection and repair. Reinforced concrete structures may prove to be very durable, however, their gradual degradation over time impairing both serviceability and structural safety is still a matter of great practical concern in view of the large economic consequences for assessment, maintenance and repair. Corrosion of steel reinforcement is considered to be the most detrimental process responsible for structural deterioration. Many studies are in progress to develop a comprehensive engineering approach for assessment of the initiation and the propagation period of corrosion in both uncracked and cracked concrete. Modelling of chloride penetration and carbonation has attracted a great deal of attention in recent years, however, there is still much debate on several essential aspects such as the chloride threshold level. ASR, and acid, sulphate and frost attack and other mechanisms remain important areas of study. In addition, the interaction between different degradation mechanisms requires further understanding. The worskhop was organised under the auspices of RILEM EAC (Educational Activities Committee), with the aim to bring together young researchers in the field of durability of concrete.
Book Synopsis Rôle de la qualité de l'interface acier-béton sur la corrosion de l'armature du béton armé by : Tayfun Altug Söylev
Download or read book Rôle de la qualité de l'interface acier-béton sur la corrosion de l'armature du béton armé written by Tayfun Altug Söylev and published by . This book was released on 2002 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le sujet de la thèse est le rôle de la qualité de l'interface acier-béton sur la corrosion des armatures en acier. La qualité de l'interface est abordée selon deux aspects : mise en place et mécanique. Dans le cas de la mise en place, ce sont les défauts dus au ressuage et au tassement du béton frais qui sont étudiées. Pour ce qui est de l'aspect mécanique, un endommagement est créé par glissement contrôlé au cours d'un essai d'arrachement. La corrosion est ensuite étudiée par la mesure de la résistance de polarisation et par spectroscopie d'impédance. Les performances du béton ordinaire et autoplaçant sont également comparées.
Book Synopsis Etude des caractéristiques physiques et chimiques de la liaison acier corrodé-pâte de ciment by : Jean-Louis Gallias
Download or read book Etude des caractéristiques physiques et chimiques de la liaison acier corrodé-pâte de ciment written by Jean-Louis Gallias and published by . This book was released on 1992 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: LES PRINCIPAUX PHENOMENES PHYSIQUES ET CHIMIQUES, INTERVENANT ENTRE LES ARMATURES CORRODEES ET LE BETON QUI LES ENROBE, SONT ETUDIES SUR UN MODELE EXPERIMENTAL ASSOCIANT ACIER CORRODE ET PATE DE CIMENT ET SUR DES MELANGES SIMPLES ENTRE LES PRODUITS DE CORROSION DE L'ACIER ET LES COMPOSANTS DU CIMENT. LA COUCHE DES PRODUITS DE CORROSION SUR L'ACIER, EN RAISON DE SON IMPORTANCE POROSITE OUVERTE, ABSORBE PAR CAPILLARITE UNE FRACTION DE L'EAU DE LA PATE FRAICHE PROVOQUANT LA PERTURBATION DE L'HYDRATATION DU CIMENT DANS UNE EPAISSEUR TROIS FOIS PLUS IMPORTANTE QUE CELLE DE LA COUCHE DE CORROSION SUR L'ACIER. L'ABSORPTION D'EAU S'ACCOMPAGNE PAR UN DEGAGEMENT DE L'AIR OCCLUS DANS LA COUCHE DE CORROSION FORMANT DES VIDES A LA LIMITE DE PRESENCE DE LA PATE ET CREANT, AINSI, UNE ZONE DE FAIBLE RESISTANCE ENTRE L'ACIER ET LA PATE. DES LES PREMIERS JOURS DE CURE, LES PRODUITS DE CORROSION DE L'ACIER REAGISSENT AVEC L'HYDROXYDE DE CALCIUM ET L'EAU DE LA PATE POUR FORMER UN FERRITE DE CALCIUM HYDRATE HEXAGONAL ET UN FERRITE DE CALCIUM HYDRATE CUBIQUE. LA PRESENCE D'IONS CARBONATES OU CHLORURES ACCELERE LES REACTIONS PRECEDENTES ET CONDUIT A LA FORMATION DE CARBOFERRITE DE CALCIUM HYDRATE OU DE SOLUTIONS SOLIDES ENTRE FERRITE ET CHLOROFERRITE DE CALCIUM HYDRATE. EN PRESENCE D'IONS SULFATES, LE MONOSULFOFERRITE ET LE TRISULFOFERRITE DE CALCIUM HYDRATE SE FORMENT. LA CRISTALLISATION DE CES PRODUITS DANS LA ZONE DE TRANSITION ENTRE L'ACIER CORRODE ET LA PATE DE CIMENT SE TRADUIT PAR UNE AMELIORATION LOCALE DES PROPRIETES MECANIQUES DE LA LIAISON
Book Synopsis Composite Materials by : Jean-Marie Berthelot
Download or read book Composite Materials written by Jean-Marie Berthelot and published by Springer. This book was released on 2013-02-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical engineering, an engineering discipline borne of the needs of the in dustrial revolution, is once again asked to do its substantial share in the call for industrial renewal. The general call is urgent as we face profound issues of produc tivity and competitiveness that require engineering solutions, among others. The Mechanical Engineering Series features graduate texts and research monographs intended to address the need for information in contemporary areas of mechanical engineering. The series is conceived as a comprehensive one that covers a broad range of concentrations important to mechanical engineering graduate education and re search. We are fortunate to have a distinguished roster of consulting editors on the advisory board, each an expert in one of the areas of concentration. The names of the consulting editors are listed on the next page of this volume. The areas of concentration are applied mechanics, biomechanics, computational mechan ics, dynamic systems and control, energetics, mechanics of materials, processing, thermal science, and tribology.
Book Synopsis Adhesion between polymers and concrete / Adhésion entre polymères et béton by : H. R. Sasse
Download or read book Adhesion between polymers and concrete / Adhésion entre polymères et béton written by H. R. Sasse and published by Springer. This book was released on 2013-11-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preface Adhesion is a phenomenon architects and civil engineers are not very familiar with. In other disciplines knowledge about surface properties and the background of bonding energies is also far from satisfactory; nevertheless there are many important· applications in concrete engineering, where adhesion is necessary for success and durability. These include: - coating and painting - repair of concrete surfaces - bonding of fresh to old concrete - crack injection - glueing of precast elements - glueing of steel to concrete, etc. In 1981 RILEM established the technical committee 52-RAC 'Resin Adherence to Concrete'. The main aims of the committee's work were - to collect research results and practical experiences - to initiate and coordinate research programs - to develop, on a scientific base, test methods for field and for laboratory purposes. One of the results of the committee's work is a state-of-the-art report, which will be presented orally as a General Report at the International Symposium ISAP '86, and will be printed either in the RILEM journal Materials and Structures or separately. Several test recommendations have been elaborated and will be prepared as drafts for the participants ofISAP '86. These are: - direct tensile test - pull-off test - direct shear test - slant shear test - four-point bending test - dynamic loading test - thermal compatibility test (two versions) - injectibility test.
Book Synopsis Service Life and Durability of Reinforced Concrete Structures by : Carmen Andrade
Download or read book Service Life and Durability of Reinforced Concrete Structures written by Carmen Andrade and published by Springer. This book was released on 2019-02-11 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the 8th International PhD Student Workshop on Service Life and Durability of Reinforced Concrete Structures that was held in Marne-la-Vallée, France, on September the 26th and 27th 2016. Topics discussed in the book are related to durability performance of reinforced concrete, service life modelling, prevention, protection and repair. Reinforced concrete structures may prove to be very durable, however, their gradual degradation over time impairing both serviceability and structural safety is still a matter of great practical concern in view of the large economic consequences for assessment, maintenance and repair. Corrosion of steel reinforcement is considered to be the most detrimental process responsible for structural deterioration. Many studies are in progress to develop a comprehensive engineering approach for assessment of the initiation and the propagation period of corrosion in both uncracked and cracked concrete. Modelling of chloride penetration and carbonation has attracted a great deal of attention in recent years, however, there is still much debate on several essential aspects such as the chloride threshold level. ASR, and acid, sulphate and frost attack and other mechanisms remain important areas of study. In addition, the interaction between different degradation mechanisms requires further understanding. The worskhop was organised under the auspices of RILEM EAC (Educational Activities Committee), with the aim to bring together young researchers in the field of durability of concrete.
Book Synopsis Eco-efficient Repair and Rehabilitation of Concrete Infrastructures by : Fernando Pacheco-Torgal
Download or read book Eco-efficient Repair and Rehabilitation of Concrete Infrastructures written by Fernando Pacheco-Torgal and published by Elsevier. This book was released on 2024-03-22 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eco-efficient Repair and Rehabilitation of Concrete Infrastructures, Second Edition provides an updated state-of-the-art review on the latest advances in this important research field. The first section is brought fully up-to-date and focuses on deterioration assessment methods. Section two contains brand new chapters on innovative concrete repair and rehabilitation materials including: fly ash-based alkali-activated repair materials for concrete exposed to aggressive environments; repairing concrete structures with alkali-activated metakaolin mortars; concrete with micro encapsulated self-healing materials; concrete repaired with bacteria; concrete structures repaired with engineered cementitious composites; concrete repaired by electrodeposition; the assessment of concrete after repair operations and durability of concrete repair. The final section has also been amended to include six new chapters on design, Life-cycle cost analysis and life-cycle assessment. These chapters include maintenance strategies for concrete structures; a comparison of different repair methods; life cycle assessment of the effects of climate change on bridge deterioration; life-cycle-cost benefits of cathodic protection of concrete structures; life-cycle cost analyses for concrete bridges exposed to chlorides and life-cycle analysis of repair of concrete pavements. The book will be an essential reference resource for materials scientists, civil and structural engineers, architects, structural designers and contractors working in the construction industry. Covers the latest research findings on eco-efficient repair and rehabilitation of concrete infrastructures Provides comprehensive coverage from damage detection and assessment, to repair strategies and structural health monitoring Presents a diverse author base that offers insights on construction practice and employed technologies worldwide Includes an entire section on NDT, innovative repair, and rehabilitation materials, as well as case studies on lifecycle cost analysis and lifecycle assessment
Book Synopsis First RILEM International Conference on Concrete and Digital Fabrication – Digital Concrete 2018 by : Timothy Wangler
Download or read book First RILEM International Conference on Concrete and Digital Fabrication – Digital Concrete 2018 written by Timothy Wangler and published by Springer. This book was released on 2018-08-29 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Digital fabrication has been termed the “third industrial revolution”, and is promising to revolutionize many disciplines, including most recently the construction sector. Both academia and industry see immense promise in cementitious materials, which lend themselves well to additive manufacturing techniques for digital fabrication in construction. With this recent trend and high interest in this new research field, the 1st RILEM International Conference on Concrete and Digital Fabrication (Digital Concrete 2018) was organized. Since 2014, ETH Zurich has been host for the Swiss National Centre for Competence in Research (NCCR) for Digital Fabrication in Architecture, which is highly interdisciplinary and unique worldwide. In 2018, this NCCR opened the “DFAB House”, which incorporates many digital fabrication principles for architecture. It is also responsible for the 600 m2 Robotic Fabrication Lab and the first robotically built roof in the world. Held in tandem with Rob|Arch 2018, the leading conference for robotics in architecture, RILEM deemed it the right time to combine forces at this new conference, which will be the first large conference to feature the work of the recently created RILEM Technical Committee on Digital Fabrication with Cement-based Materials, among other leaders in this new field worldwide. This conference proceedings brings together papers that take into account the findings in this new area. Papers reflect the varying themes of the conference, including Materials, Processing, Structure, and Applications.
Book Synopsis Sol-Gel Materials by : John D. Wright
Download or read book Sol-Gel Materials written by John D. Wright and published by CRC Press. This book was released on 2018-10-03 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sol-Gel processing methods, first used historically for decorative and constructional materials, were extensively developed in the last century for applications such as glasses, ceramics, catalysts, coatings, composites and fibres. Today they are reaching their full potential, enabling the preparation of new generations of advanced materials not easily accessible by other methods yet using mild, low-energy conditions. The topic is therefore increasingly included in advanced undergraduate, MSc and PhD programmes in the areas of chemistry, physics and materials science. This concise introductory text, written at the advanced undergraduate/first-year postgraduate level, is also suitable as an introduction to the development, mechanisms, chemistry, characterisation methods and applications of the technique. It provides readers with an extensive yet concise grounding in the theory of each area of the subject and details the real and potential applications and the future prospects of sol-gel chemistry.
Book Synopsis CASTI Metals Blue Book - Welding Filler Metals by : Barry M. Patchett
Download or read book CASTI Metals Blue Book - Welding Filler Metals written by Barry M. Patchett and published by . This book was released on 2000-01-01 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Robotic Fabrication in Architecture, Art and Design 2018 by : Jan Willmann
Download or read book Robotic Fabrication in Architecture, Art and Design 2018 written by Jan Willmann and published by Springer. This book was released on 2018-08-25 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents research from Rob|Arch 2018, the fourth international conference on robotic fabrication in architecture, art, and design. In capturing the myriad of scientific advances in robotics fabrication that are currently underway – such as collaborative design tools, computerised materials, adaptive sensing and actuation, advanced construction, on-site and cooperative robotics, machine-learning, human-machine interaction, large-scale fabrication and networked workflows, to name but a few – this compendium reveals how robotic fabrication is becoming a driver of scientific innovation, cross-disciplinary fertilization and creative capacity of an unprecedented kind.
Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague
Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Book Synopsis The Stefan Problem by : A.M. Meirmanov
Download or read book The Stefan Problem written by A.M. Meirmanov and published by Walter de Gruyter. This book was released on 2011-05-03 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of the series is to present new and important developments in pure and applied mathematics. Well established in the community over two decades, it offers a large library of mathematics including several important classics. The volumes supply thorough and detailed expositions of the methods and ideas essential to the topics in question. In addition, they convey their relationships to other parts of mathematics. The series is addressed to advanced readers wishing to thoroughly study the topic. Editorial Board Lev Birbrair, Universidade Federal do Ceará, Fortaleza, Brasil Victor P. Maslov, Russian Academy of Sciences, Moscow, Russia Walter D. Neumann, Columbia University, New York, USA Markus J. Pflaum, University of Colorado, Boulder, USA Dierk Schleicher, Jacobs University, Bremen, Germany
Book Synopsis Gas-cooled Nuclear Reactors by : France. Commissariat à l'énergie atomique
Download or read book Gas-cooled Nuclear Reactors written by France. Commissariat à l'énergie atomique and published by . This book was released on 2006 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Faecal Sludge Management by : Linda Strande
Download or read book Faecal Sludge Management written by Linda Strande and published by IWA Publishing. This book was released on 2014-08-15 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is estimated that literally billions of residents in urban and peri-urban areas of Africa, Asia, and Latin America are served by onsite sanitation systems (e.g. various types of latrines and septic tanks). Until recently, the management of faecal sludge from these onsite systems has been grossly neglected, partially as a result of them being considered temporary solutions until sewer-based systems could be implemented. However, the perception of onsite or decentralized sanitation technologies for urban areas is gradually changing, and is increasingly being considered as long-term, sustainable options in urban areas, especially in low- and middle-income countries that lack sewer infrastructures. This is the first book dedicated to faecal sludge management. It compiles the current state of knowledge of the rapidly evolving field of faecal sludge management, and presents an integrated approach that includes technology, management, and planning based on Sandecs 20 years of experience in the field. Faecal Sludge Management: Systems Approach for Implementation and Operation addresses the organization of the entire faecal sludge management service chain, from the collection and transport of sludge, and the current state of knowledge of treatment options, to the final end use or disposal of treated sludge. The book also presents important factors to consider when evaluating and upscaling new treatment technology options. The book is designed for undergraduate and graduate students, and engineers and practitioners in the field who have some basic knowledge of environmental and/or wastewater engineering.
Book Synopsis Numerical Heat Transfer by : Tien Mo Shih
Download or read book Numerical Heat Transfer written by Tien Mo Shih and published by CRC Press. This book was released on 1984-06-01 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
