The Critical State Framework For Soil Behaviour
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The Critical State Framework For Soil Behaviour
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Author : Catherine O’Sullivan
language : en
Publisher: Elsevier
Release Date : 2016-11-01
The Critical State Framework For Soil Behaviour written by Catherine O’Sullivan and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-01 with Technology & Engineering categories.
The Critical State Framework for Soil Behaviour: New insight from DEM Simulations presents the latest on a topic that was originally proposed by Schofield and Wroth in the 1960s, and has subsequently proven to be a very good framework to describe sand behavior. This framework uses the critical state, the void ratio and stress level attained by a soil at large shear deformations, as a reference state. The particulate discrete element method (DEM) allows the fundamental basis of the critical state to be examined in detail. Using DEM simulations, this book considers the sensitivity of the critical state to particle scale parameters (friction) and overall conditions (3D stress state), also linking between overall behavior and particle scale mechanics. The simulation data is then analyzed to better understand the fundamental mechanisms. Contains critical analysis of the way in which DEM simulations should be run to obtain meaningful data for soil mechanics studies Documents data obtained using more than one DEM code / software and parametric studies that give new insight into the factors that govern the position of the critical state line Demonstrates the ability of DEM to capture the critical state and the dependency of the material response on the state parameter (as proposed by Jefferies and Been)
The Critical State Framework For Soil Behaviour
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Author : Catherine O'Sullivan
language : en
Publisher: Iste Press - Elsevier
Release Date : 2016-11-15
The Critical State Framework For Soil Behaviour written by Catherine O'Sullivan and has been published by Iste Press - Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-15 with Technology & Engineering categories.
The Critical State Framework for Soil Behaviour: New insight from DEM Simulations presents the latest on a topic that was originally proposed by Schofield and Wroth in the 1960s, and has subsequently proven to be a very good framework to describe sand behavior. This framework uses the critical state, the void ratio and stress level attained by a soil at large shear deformations, as a reference state. The particulate discrete element method (DEM) allows the fundamental basis of the critical state to be examined in detail. Using DEM simulations, this book considers the sensitivity of the critical state to particle scale parameters (friction) and overall conditions (3D stress state), also linking between overall behavior and particle scale mechanics. The simulation data is then analyzed to better understand the fundamental mechanisms. Contains critical analysis of the way in which DEM simulations should be run to obtain meaningful data for soil mechanics studies Documents data obtained using more than one DEM code / software and parametric studies that give new insight into the factors that govern the position of the critical state line Demonstrates the ability of DEM to capture the critical state and the dependency of the material response on the state parameter (as proposed by Jefferies and Been)
Soil Behaviour And Critical State Soil Mechanics
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Author : David Muir Wood
language : en
Publisher: Cambridge University Press
Release Date : 1990
Soil Behaviour And Critical State Soil Mechanics written by David Muir Wood and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Technology & Engineering categories.
Soils can rarely be described as ideally elastic or perfectly plastic and yet simple elastic and plastic models form the basis for the most traditional geotechnical engineering calculations. With the advent of cheap powerful computers the possibility of performing analyses based on more realistic models has become widely available. One of the aims of this book is to describe the basic ingredients of a family of simple elastic-plastic models of soil behaviour and to demonstrate how such models can be used in numerical analyses. Such numerical analyses are often regarded as mysterious black boxes but a proper appreciation of their worth requires an understanding of the numerical models on which they are based. Though the models on which this book concentrates are simple, understanding of these will indicate the ways in which more sophisticated models will perform.
Unsaturated Soils
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Author : E. J. Murray
language : en
Publisher: John Wiley & Sons
Release Date : 2010-06-17
Unsaturated Soils written by E. J. Murray and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-17 with Technology & Engineering categories.
An understanding of the mechanical properties of unsaturated soilsis crucial for geotechnical engineers worldwide, as well as tothose concerned with the interaction of structures with the ground.This book deals principally with fine-grained clays and silts, orsoils containing coarser sand and gravel particles but with asignificant percentage of fines. The study of unsaturated soil is a practical subject, linkingfundamental science to nature. Soils in general are inherentlyvariable and their behaviour is not easy to analyse or predict, andunsaturated soils raise the complexity to a higher level. Evenamongst practicing engineers, there is often lack of awareness ofthe intricacies of the subject. This book offers a perspective ofunsaturated soils based on recent research and demonstrates howthis dovetails with the general discipline of soil mechanics. Following an introduction to the basic soil variables, thephases, the phase interactions and the relevance of soil structure,an up-to-date review of laboratory testing techniques is presented.This includes suction measurement and control techniques intriaxial cell testing. This is followed by an introduction tostress state variables, critical state and theoretical models inunsaturated soils. A detailed description of the thermodynamic principles asapplied to multi-phase materials under equilibrium conditionsfollows. These principles are then used to explore and develop afundamental theoretical basis for analysing unsaturated soils. Soilstructure is broken down into its component parts to developequations describing the dual stress regime. The critical statestrength and compression characteristics of unsaturated soils areexamined and it is shown how the behaviour may be viewed as athree-dimensional model in dimensionless stress-volume space. Theanalysis is then extended to the work input into unsaturated soilsand the development of conjugate stress, volumetric andstrain-increment variables. These are used to examine themicromechanical behaviour of kaolin specimens subjected to triaxialshear strength tests and lead to observations not detectable byother means. Unsaturated Soils: A fundamental interpretation of soilbehaviour covers a rapidly advancing area of study, researchand engineering practice and offers a deeper appreciation of thekey characteristics of unsaturated soil. It provides students andresearchers with a framework for understanding soil behaviour anddemonstrates how to interpret experimental strength and compressiondata. provides engineers with a deeper appreciation of keycharacteristics of unsaturated soils covers a rapidly advancing area of study, research andengineering practice provides students and researchers a framework for understandingsoil behaviour shows how to interpret experimental data on strength andcompression the limited number of books on the subject are all out ofdate
Soil Behaviour And Critical State Soil Mechanics
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Author : David Muir Wood
language : en
Publisher:
Release Date : 1990
Soil Behaviour And Critical State Soil Mechanics written by David Muir Wood and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Soil mechanics categories.
Soil Liquefaction
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Author : Michael Jefferies
language : en
Publisher: CRC Press
Release Date : 2006-09-04
Soil Liquefaction written by Michael Jefferies and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-09-04 with Science categories.
Soil liquefaction is a major concern in areas of the world subject to seismic activity or other repeated vibration loads. This book brings together a large body of information on the topic, and presents it within a unified and simple framework. The result is a book which will provide the practising civil engineer with a very sound understanding of
Soil Mechanics In The Light Of Critical State Theories
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Author : J.A.R. Ortigao
language : en
Publisher: CRC Press
Release Date : 2020-08-13
Soil Mechanics In The Light Of Critical State Theories written by J.A.R. Ortigao and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-13 with Technology & Engineering categories.
This work reviews soil mechanics in the light of critical state soil mechanics. A number of exercises are provided, and a microcomputer program, "Cris", used for simulation of the behaviour of soil samples subjected to triaxial tests through the critical state models, accompanies the text.
Critical State Soil Mechanics
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Author : Andrew Noel Schofield
language : en
Publisher:
Release Date : 1968
Critical State Soil Mechanics written by Andrew Noel Schofield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Technology & Engineering categories.
Advanced Unsaturated Soil Mechanics And Engineering
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Author : Charles W. W. Ng
language : en
Publisher: CRC Press
Release Date : 2007-10-23
Advanced Unsaturated Soil Mechanics And Engineering written by Charles W. W. Ng and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-10-23 with Technology & Engineering categories.
Analytical and comprehensive, this state-of-the-art book, examines the mechanics and engineering of unsaturated soils, as well as explaining the laboratory and field testing and research that are the logical basis of this modern approach to safe construction in these hazardous geomaterials; putting them into a logical framework for civil engineering and design. The book: illustrates the importance of state-dependent soil-water characteristic curves highlights modern soil testing of unsaturated soil behaviour, including accurate measurement of total volume changes and the measurement of anisotropic soil stiffness at very small strains introduces an advanced state-dependent elasto-plastic constitutive model for both saturated and unsaturated soil demonstrates the power of numerical analysis which is at the heart of modern soil mechanics studies and simulates the behaviour of loose fills from unsaturated to saturated states; explains the difference between strain-softening and static liquefaction, and describes real applications in unsaturated soil slope engineering includes purpose-designed field trials to capture the effects of two independent stress variables, and reports comprehensive measurements of soil suction, water contents, stress changes and ground deformations in both bare and grassed slopes introduces a new conjunctive surface and subsurface transient flow model for realistically analysing rainfall infiltration in unsaturated soil slopes, and illustrates the importance of the flow model in slope engineering. Including constitutive and numerical modelling, this volume will interest students and professionals studying or working in the areas of geotechnical engineering and the built environment.
Critical State Soil Mechanics
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Author : Andrew Noel Schofield
language : en
Publisher:
Release Date : 1968
Critical State Soil Mechanics written by Andrew Noel Schofield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Technology & Engineering categories.