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Une naissance est normalement pour les parents source d'un profond bonheur. Qu'y a-t-il de plus beau et de plus grand que de donner la vie ? Mais ce pouvoir reçu de Dieu peut aussi engendrer des peurs : peur de la responsabilité que tout enfant représente, peur pour la santé de la maman ou du bébé, peur d'un handicap, peur pour l'avenir. Aussi convient-il qu'une naissance soit bien préparée sur les plans psychologique, médical, mais aussi spirituel. Les parents réalisent-ils suffisamment la beauté et la grandeur de ce mystère de la venue au monde d'un homme ? Mystère d'amour dans lequel nous est donné de voir, comme dans un miroir, la bonté de Dieu. Mystère de joie qui rend les parents " pro-créateurs " en les associant au Dieu d'amour qui donne la vie en surabondance. C'est tout l'intérêt de ce petit livre de prière et de méditation. Il veut aider, à sa mesure, les pères et les mères à recevoir ce moment de la naissance comme un cadeau, à entrer dans la contemplation de ce mystère de la vie et à rendre grâce à Dieu dans ces temps particuliers qui entourent la naissance d'un enfant.

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Failure in Geomaterials offers a unified view of material failure as an instability of deformation modes framed within the theory of bifurcation. Using mathematical rigor, logic, physical reasoning and basic principles of mechanics, the authors develop the fundamentals of failure in geomaterials based on the second-order work criterion. Various forms of rupture modes and material instabilities in granular materials are explored both analytically and numerically with lab experimental observations on sand as a backdrop. The authors provide a clear picture of inelastic deformations and failure of geomaterials under various loading conditions. A unique feature of the book is the systematic application of the developed theory to the failure analysis of some selected engineering problems such as soil nailing, landslides, energy resource extraction, and internal erosion in soils.

Geophysics --- Building materials. Building technology

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This book presents contributions to the 9th International Workshop on Bifurcation and Degradation in Geomaterials held in Porquerolles, France,  May 23-26, 2011. This series of conferences, started in the early 1980s, is dedicated to the research on degradation and instability phenomena in geomaterials.       The volume gathers a series of manuscripts by brilliant international scholars reflecting recent trends in theoretical and experimental research in geomechanics. It incorporates contributions on topics like instability analysis, localized and diffuse failure description, multi-scale modeling and applications to geo-environmental issues.   This book will be valuable for anyone interested in the research on degradation and instabilities in geomechanics and geotechnical engineering, appealing to graduate students, researchers and engineers alike.

Geophysics -- Congresses. --- Materials -- Deterioration -- Congresses. --- Materials -- Fatigue -- Congresses. --- Soil mechanics -- Congresses. --- Soil mechanics --- Geophysics --- Materials --- Chemical & Materials Engineering --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Civil Engineering --- Materials Science --- Applied Mathematics --- Fatigue --- Deterioration --- Biodegradation. --- Bifurcation theory. --- Biocorrosion --- Biodecay --- Biodecomposition --- Biodeterioration --- Biological corrosion --- Biological decay --- Biological decomposition --- Biological degradation --- Decay, Biological --- Decomposition (Biology) --- Degradation, Biological --- Engineering. --- Geotechnical engineering. --- Geophysics. --- Continuum mechanics. --- Continuum Mechanics and Mechanics of Materials. --- Geotechnical Engineering & Applied Earth Sciences. --- Geophysics and Environmental Physics. --- Biochemistry --- Decomposition (Chemistry) --- Microbiology --- Differential equations, Nonlinear --- Stability --- Numerical solutions --- Mechanics. --- Mechanics, Applied. --- Solid Mechanics. --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Geological physics --- Terrestrial physics --- Earth sciences --- Engineering, Geotechnical --- Geotechnics --- Geotechnology --- Engineering geology