CONTRIBUTION A L'ETUDE DU COMPORTEMENT MECANIQUE DES MATERIAUX PULVERULENTS PDF Download
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Author: Jean Jacques CRISPEL
Publisher:
ISBN:
Category :
Languages : fr
Pages : 268
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Book Description
ETUDE DE LA REVERSIBILITE: INFLUENCE DE L'ETAT DE CONTRAINTES, INFLUENCE DE LA STRUCTURE ET DE LA NATURE DU MATERIAU. ETUDE DES LOIS CONTRAINTE DEFORMATION; ESSAIS TRIAXIAUX A PRESSION LATERALE CONSTANTE, ESSAIS TRIAXIAUX A "R=CONSTANTE", LOIS HYPERBOLIQUES.
Author: Jean Jacques CRISPEL
Publisher:
ISBN:
Category :
Languages : fr
Pages : 268
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Book Description
ETUDE DE LA REVERSIBILITE: INFLUENCE DE L'ETAT DE CONTRAINTES, INFLUENCE DE LA STRUCTURE ET DE LA NATURE DU MATERIAU. ETUDE DES LOIS CONTRAINTE DEFORMATION; ESSAIS TRIAXIAUX A PRESSION LATERALE CONSTANTE, ESSAIS TRIAXIAUX A "R=CONSTANTE", LOIS HYPERBOLIQUES.
Author: Gilbert Olivari
Publisher:
ISBN:
Category :
Languages : fr
Pages : 302
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Book Description
Author: M. Jamiolkowski
Publisher: CRC Press
ISBN: 9789058090768
Category : Deformations (Mechanics)
Languages : en
Pages : 968
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Book Description
Author: Pierre-Yves Hicher
Publisher: John Wiley & Sons
ISBN: 1118600797
Category : Science
Languages : en
Pages : 324
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Book Description
This book addresses the latest issues in multiscale geomechanics. Written by leading experts in the field as a tribute to Jean Biarez (1927-2006), it can be of great use and interest to researchers and engineers alike. A brief introduction describes how a major school of soil mechanics came into being through the exemplary teaching by one man. Biarez's life-long work consisted of explaining the elementary mechanisms governing soil constituents in order to enhance understanding of the underlying scientific laws which control the behavior of constructible sites and to incorporate these scientific advancements into engineering practices. He innovated a multiscale approach of passing from the discontinuous medium formed by individual grains to an equivalent continuous medium. The first part of the book examines the behavior of soils at the level of their different constituents and at the level of their interaction. Behavior is then treated at the scale of the soil sample. The second part deals with soil mechanics from the vantage point of the construction project. It highlights Biarez's insightful adoption of the Finite Element Codes and illustrates, through numerous construction examples, his methodology and approach based on the general framework he constructed for soil behavior, constantly enriched by comparing in situ measurements with calculated responses of geostructures.
Author: Franck Blaszczyk
Publisher:
ISBN:
Category :
Languages : fr
Pages : 176
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Book Description
Les matériaux granulaires pulvérulents sont des matériaux composés de grains, nommés également éléments ou particules, de formes et de tailles diverses. Nous les retrouvons dans tous les types d'industrie. Nous nous intéressons plus particulièrement à la compréhension et la caractérisation des matériaux dits pulvérulents en vue de leurs utilisations, principalement lors du déchargement d'un stockage et de leur dosage en continu. Actuellement, il n'existe pas de méthode satisfaisante pour déterminer leur comportement. Nous effectuons deux approches différentes, mais complémentaires, pour l'analyser. La première investigation porte sur le comportement des poudres lors de leur mise en condition. Nous montrons l'existence de deux conditions nécessaires pour la réalisation d'un bon dosage : la stabilité mécanique et celle de la masse volumique apparente. Nous proposons une modélisation du comportement des matériaux pulvérulents lors de leur conditionnement. Elle permet de définir les caractéristiques (compression, vitesse,) vérifiant les deux critères d'un bon dosage. Les influences de la température et de la teneur en eau du matériau sont également décrites. La seconde investigation, menée en parallèle, permet de valider une approche différente : l'étude des poudres à l'aide d'un rhéomètre. Nous mettons en évidence la continuité du comportement physico-mécanique entre suspensions de particules solides dans un liquide et matériaux pulvérulents par des modélisations de formes identiques. Le rhéogramme des poudres obtenu est cependant typique. Nous présentons l'importance de la fraction volumique solide du matériau cisaille sur la variation et la modélisation du seuil de contrainte de cisaillement. A terme, il est envisageable de pouvoir modéliser le comportement des poudres dans des environnements simples puis dans des environnements industriels plus complexes
Author: Michel Ruban
Publisher: CRC Press
ISBN: 9789058092649
Category : Technology & Engineering
Languages : en
Pages : 738
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Book Description
A translation and fully updated version of the French title "Controles de qualit en construction routi re", 1987. This book presents the total panorama of the methods and means available to the various interveners.
Author: Bernardo Caicedo
Publisher: CRC Press
ISBN: 0429652135
Category : Technology & Engineering
Languages : en
Pages : 434
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Book Description
At first glance, roads seem like the simplest possible geotechnical structures. However, analysis of these structures runs up against complexities related to the intense stresses experienced by road surfaces, their intense interaction with climate, and the complicated behavior of the materials used in road construction. Modern mechanistic approaches to road design provide the tools capable of developing new technical solutions. However, use of these approaches requires deep understanding of the behavior of constituent materials and their interaction with water and heat which has recently been acquired thanks to advances in geotechnical engineering. The author comprehensively describes and explains these advances and their use in road engineering in the two-volume set Geotechnics of Roads, compiling information that had hitherto only been available in numerous research papers. Geotechnics of Roads: Fundamentals presents stresses and strains in road structures, water and heat migration within and between layers of road materials, and the effects of water on the strength and stiffness of those materials. It includes a deep analysis of soil compaction, one of the most important issues in road construction. Compaction accounts for only a small proportion of a construction budget but its effects on the long-term performance of a road are decisive. In addition, the book describes methodologies for nondestructive road evaluation including analysis of continuous compaction control, a powerful technique for real-time quality control of road structures. This unique book will be of value to civil, structural and geotechnical engineers worldwide.
Author: Eduardo E. Alonso
Publisher: CRC Press
ISBN: 0203834011
Category : Technology & Engineering
Languages : en
Pages : 1532
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Book Description
In recent decades the development of unsaturated soil mechanics has been remarkable, resulting in momentous advances in fundamental knowledge, testing techniques, computational procedures, prediction methodologies and geotechnical practice. The advances have spanned the full spectrum of theory and practice. In addition, unsaturated materials exhibiting complex behaviour such as residual soils, swelling soils, compacted soils, collapsing soils, tropical soils and solid wastes have been integrated in a common understanding of shared behaviour features. It is also noteworthy that unsaturated soil mechanics has proved surprisingly fruitful in expanding to other neighbouring areas such as swelling rocks, rockfill mechanics, and freezing soils. As a consequence, geotechnical engineering involving unsaturated soils can be now approached from a more rational and systematic perspective leading towards an improved and more effective practice. Unsaturated Soils contains the papers presented at the 5th International Conference on Unsaturated Soil (Barcelona, Spain, 6-8 September 2010). They report significant advances in the areas of unsaturated soil behaviour, testing techniques, constitutive and numerical modelling and applications. The areas of application include soil-atmosphere interaction, foundations, slopes, embankments, pavements, geoenviromental problems and emerging topics. They are complemented by three keynote lectures and three general reports covering general issues of modelling, testing and applications. Unsaturated Soils is a comprehensive record of the state-of-the art in unsaturated soil mechanics and a sound basis for further progress in the future. The two volumes will serve as an essential reference for academics, researchers and practitioners interested in unsaturated soils.
Author: Bernard Cambou
Publisher: Springer Science & Business Media
ISBN: 9783211829202
Category : Science
Languages : en
Pages : 416
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Book Description
This book presents a complete and comprehensive analysis of the behaviour of granular materials including the description of experimental results, the different ways to define the global behaviour from local phenomena at the particle scale, the various modellings which can be used for a D.E.M. analysis to solve practical problems and finally the analysis of strain localisation. The concepts developed in this book are applicable to many kinds of granular materials considered in civil, mechanical or chemical engineering.
Author:
Publisher:
ISBN:
Category : Foundations
Languages : en
Pages : 612
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Book Description
