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Book Description
Le travail presente dans ce livre porte sur le comportement des poutres mixtes avec interaction partielle. L'objectif est de developper un outil numerique, capable de predire le comportement instantane et differe des poutres mixtes. La premiere partie est consacree a la modelisation du comportement elastique lineaire des poutres mixtes en considerant deux modeles de connexion a l'interface: connexion discrete et connexion continue. Dans la deuxieme partie, le comportement differe du beton est aborde a l'aide d'un modele viscoelastique lineaire. Une solution semi-analytique originale est proposee pour les deux modeles de connexion. La troisieme partie est consacree a la modelisation du comportement non-lineaire des constituants de la poutre mixte. Un modele elastoplastique avec endommagement permettant de prendre en compte la degradation du beton est propose. La quatrieme partie est dediee au developpement de trois types d'element fini pour des poutres mixtes avec interaction partielle: deplacement, equilibre et mixte. Enfin, dans la derniere partie, un modele viscoelastique/plastique est developpe pour simuler l'interaction entre les effets differes et la fissuration du beton."
Book Description
Le travail presente dans ce livre porte sur le comportement des poutres mixtes avec interaction partielle. L'objectif est de developper un outil numerique, capable de predire le comportement instantane et differe des poutres mixtes. La premiere partie est consacree a la modelisation du comportement elastique lineaire des poutres mixtes en considerant deux modeles de connexion a l'interface: connexion discrete et connexion continue. Dans la deuxieme partie, le comportement differe du beton est aborde a l'aide d'un modele viscoelastique lineaire. Une solution semi-analytique originale est proposee pour les deux modeles de connexion. La troisieme partie est consacree a la modelisation du comportement non-lineaire des constituants de la poutre mixte. Un modele elastoplastique avec endommagement permettant de prendre en compte la degradation du beton est propose. La quatrieme partie est dediee au developpement de trois types d'element fini pour des poutres mixtes avec interaction partielle: deplacement, equilibre et mixte. Enfin, dans la derniere partie, un modele viscoelastique/plastique est developpe pour simuler l'interaction entre les effets differes et la fissuration du beton."
Author: Y. Malier Publisher: CRC Press ISBN: 1351440896 Category : Architecture Languages : en Pages : 570
Book Description
Provides a thorough review of properties, durability and use of high performance concrete, derived from recent research and experience. This book contains contributions from the leading French, Canadian and Swiss researchers, designers and material specialists, translated into English for the first time.
Author: Jean Salencon Publisher: Springer Science & Business Media ISBN: 3642565425 Category : Science Languages : en Pages : 794
Book Description
Outstanding approach to continuum mechanics. Its high mathematical level of teaching together with abstracts, summaries, boxes of essential formulae and numerous exercises with solutions, makes this handbook one of most complete books in the area. Students, lecturers, and practitioners will find this handbook a rich source for their studies or daily work.
Author: Jean Salençon Publisher: Wiley-ISTE ISBN: 9781848215405 Category : Technology & Engineering Languages : en Pages : 0
Book Description
Since the middle of the 20th Century yield design approaches have been identified with the lower and upper bound theorem of limit analysis theory – a theory associated with perfect plasticity. This theory is very restrictive regarding the applicability of yield design approaches, which have been used for centuries for the stability of civil engineering structures. This book presents a theory of yield design within the original “equilibrium/resistance” framework rather than referring to the theories of plasticity or limit analysis; expressing the compatibility between the equilibrium of the considered structure and the resistance of its constituent material through simple mathematical arguments of duality and convex analysis results in a general formulation, which encompasses the many aspects of its implementation to various stability analysis problems. After a historic outline and an introductory example, the general theory is developed for the three-dimensional continuum model in a versatile form based upon simple arguments from the mathematical theory of convexity. It is then straightforwardly transposed to the one-dimensional curvilinear continuum, for the yield design analysis of beams, and the two-dimensional continuum model of plates and thin slabs subjected to bending. Field and laboratory observations of the collapse of mechanical systems are presented along with the defining concept of the multi-parameter loading mode. The compatibility of equilibrium and resistance is first expressed in its primal form, on the basis of the equilibrium equations and the strength domain of the material defined by a convex strength criterion along with the dual approach in the field of potentially safe loads, as is the highlighting of the role implicitly played by the theory of yield design as the fundamental basis of the implementation of the ultimate limit state design (ULSD) philosophy with the explicit introduction of resistance parameters. Contents 1. Origins and Topicality of a Concept. 2. An Introductory Example of the Yield Design Approach. 3. The Continuum Mechanics Framework. 4. Primal Approach of the Theory of Yield Design. 5. Dual Approach of the Theory of Yield Design. 6. Kinematic Exterior Approach. 7. Ultimate Limit State Design from the Theory of Yield Design. 8. Optimality and Probability Approaches of Yield Design. 9. Yield Design of Structures. 10. Yield Design of Plates: the Model. 11. Yield Design of Plates Subjected to Pure Bending. About the Authors Jean Salençon is Emeritus Professor at École polytechnique and École des ponts et chaussées, ParisTech, France. Since 2009 he has been a member of the Administrative Board of CNRS (Paris, France). He has received many awards including the Légion d’Honneur (Commander), Ordre National du Mérite (Officer) and Palmes Académiques (Commander). His research interests include structure analysis, soil mechanics and continuum mechanics.
Author: Emanuele Coccia Publisher: John Wiley & Sons ISBN: 1509545689 Category : Philosophy Languages : en Pages : 180
Book Description
We are all fascinated by the mystery of metamorphosis – of the caterpillar that transforms itself into a butterfly. Their bodies have almost nothing in common. They don’t share the same world: one crawls on the ground and the other flutters its wings in the air. And yet they are one and the same life. Emanuele Coccia argues that metamorphosis – the phenomenon that allows the same life to subsist in disparate bodies – is the relationship that binds all species together and unites the living with the non-living. Bacteria, viruses, fungi, plants, animals: they are all one and the same life. Each species, including the human species, is the metamorphosis of all those that preceded it – the same life, cobbling together a new body and a new form in order to exist differently. And there is no opposition between the living and the non-living: life is always the reincarnation of the non-living, a carnival of the telluric substance of a planet – the Earth – that continually draws new faces and new ways of being out of even the smallest particle of its disparate body. By highlighting what joins humans together with other forms of life, Coccia’s brilliant reflection on metamorphosis encourages us to abandon our view of the human species as static and independent and to recognize instead that we are part of a much larger and interconnected form of life.
Author: Mirako Press Publisher: Createspace Independent Publishing Platform ISBN: 9781723229053 Category : Languages : en Pages : 104
Book Description
This adorable music notebook is perfect for staffs, kids and musicians. The high-quality manuscript book includes 110 pages of 12 staves. Let exercise your composing skills with this well-designed music sketchbook! Enjoy!
Author: Andrew Briggs Publisher: Springer Science & Business Media ISBN: 1461558514 Category : Science Languages : en Pages : 292
Book Description
This is the second volume of Advances in Acoustic Microscopy. It continues the aim of presenting applications and developments of techniques that are related to high-resolution acoustic imaging. We are very grateful to the authors who have devoted considerable time to preparing these chapters, each of which describes a field of growing importance. Laboratories that have high-performance acoustic microscopes are frequently asked to examine samples for which the highest available resolution is not necessary, and the ability to penetrate opaque layers is more significant. Such applications can be thought of as bridging the gap be tween acoustic microscopy at low gigahertz frequencies, and on the one hand nondestructive testing of materials at low megahertz frequencies and on the other hand medical ultrasonic imaging at low megahertz frequencies. Commercial acoustic microscopes are becoming increasingly available and popular for such applications. We are therefore delighted to be able to begin the volume with chapters from each of those two fields. The first chapter, by Gabriele Pfannschmidt, describes uses of acoustic microscopy in the semiconductor industry. It provides a splendid balance to the opening chapter of Volume 1, which came from a national research center, being written from within a major European electronics industry itself. Dr Pfann schmidt describes the use of two quite different types of acoustic microscopes, and points out the advantages of each for specific purposes.
Author: Quang Huy Nguyen
Author: Quang Huy Nguyen
Author: Y. Malier
Author: Jean Salençon
Author: Jean Salencon
Author: Jean Salençon
Author: Raymond Lundgren
Author: Michel Godet
Author: Emanuele Coccia
Author: Mirako Press
Author: Andrew Briggs