Modelling Of Soil Behaviour With Hypoplasticity

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Modelling Of Soil Behaviour With Hypoplasticity

Author : David Mašín
ISBN : 9783030039769
Genre : Science
File Size : 50.47 MB
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This book explains the hypoplastic modelling framework. It is divided into two parts, the first of which is devoted to principles of hypoplasticity. First, the basic features of soil’s mechanical behaviour are introduced, namely non-linearity and asymptotic properties. These features are then incorporated into simple one-dimensional hypoplastic equations for compression and shear. Subsequently, a hypoplastic equivalent of the Modified Cam-Clay model is developed in 2D space using stress and strain invariants to demonstrate key similarities and differences between elasto-plastic and hypoplastic formulations. Lastly, the mathematical structure of hypoplastic models is explained by tracing their historical development, from the early trial-and-error models to more recent approaches. In turn, Part II introduces specific hypoplastic models for soils. First, two reference models for sand and clay are defined. After summarising their mathematical formulations, calibration procedures are described and discussed. Subsequently, more advanced modelling approaches are covered: the intergranular strain concept incorporating the effects of small strain stiffness and cyclic loading, viscohypoplasticity for predicting rate effects, soil structure to represent structured and bonded materials and soil anisotropy. The book concludes with a description of partial saturation and thermal effects: topics that are increasingly important to the disciplines of energy and environmental geotechnics. Selecting a constitutive model and its parameters is often the most important and yet challenging part of any numerical analysis in geotechnical engineering. Hypoplasticity involves a specific class of soil constitutive models, which are described in detail here. The book offers an essential resource, both for model users who need a more advanced model for their geotechnical calculations and are mainly interested in parameter calibration procedures, and for model developers who are seeking a comprehensive understanding of the mathematical structure of hypoplasticity.
Category: Science

Numerical Methods In Geotechnical Engineering

Author : Thomas Benz
ISBN : 9780203842362
Genre : Technology & Engineering
File Size : 55.19 MB
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Numerical Methods in Geotechnical Engineering contains 153 scientific papers presented at the 7th European Conference on Numerical Methods in Geotechnical Engineering, NUMGE 2010, held at Norwegian University of Science and Technology (NTNU) in Trondheim, Norway, 2 4 June 2010.The contributions cover topics from emerging research to engineering pra
Category: Technology & Engineering

Constitutive Modelling Of Granular Materials

Author : Dimitrios Kolymbas
ISBN : 9783642570186
Genre : Technology & Engineering
File Size : 35.49 MB
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In view of its extreme complexity the mathematical description of the mechanical behaviour of granular materials is an extremely difficult task. Today many different models compete with each other. However, the complexity of the models hinders their comparison, and the potential users are confused and, often, disencouraged. This book is expected to serve as a milestone in the present situation, to evaluate the present methodes, to clear up the situation, to focus and encourage for further research activities.
Category: Technology & Engineering

Unsaturated Soils Advances In Geo Engineering

Author : D.G. Toll
ISBN : 9780203884430
Genre : Science
File Size : 43.63 MB
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Unsaturated Soils: Advances in Geo-Engineering comprises 136 contributions from leading international researchers and practitioners, presented at the First European Conference on Unsaturated Soils (Durham, UK, 2-4 July 2008). The papers report on the latest advances in geo-engineering aspects of unsaturated soils. It is the first collection to focu
Category: Science

Proceedings Of Geoshanghai 2018 International Conference Fundamentals Of Soil Behaviours

Author : Annan Zhou
ISBN : 9789811301254
Genre : Science
File Size : 83.35 MB
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This book is the second volume of the proceedings of the 4th GeoShanghai International Conference that was held on May 27 - 30, 2018. The book, entitled “Fundamentals of Soil Behaviours”, presents the recent advances and technology in the understanding and modelling of fundamentals of soil’s behaviours. The subject of this book covers a wide range of topics related to soil behaviours in geotechnical engineering, geoenvironmental engineering and transportation engineering. The state-of-the-art theories, methodologies and findings in the related topics are included. This book may benefit researchers and scientists from the academic fields of soil and rock mechanics, geotechnical engineering, geoenvironmental engineering, transportation engineering, geology, mining and energy, as well as practical engineers from industry. Each of the papers included in this book received at least two positive peer reviews. The editors would like to express their sincerest appreciation to all of the anonymous reviewers all over the world, for their diligent work.
Category: Science

Holistic Simulation Of Geotechnical Installation Processes

Author : Th. Triantafyllidis
ISBN : 9783319181707
Genre : Science
File Size : 62.78 MB
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The book provides suitable methods for the simulations of boundary value problems of geotechnical installation processes with reliable prediction for the deformation behavior of structures in static or dynamic interaction with the soil. It summarizes the basic research of a research group from scientists dealing with constitutive relations of soils and their implementations as well as contact element formulations in FE-codes. Numerical and physical experiments are presented providing benchmarks for future developments in this field. Boundary value problems have been formulated and solved with the developed tools in order to show the effectivity of the methods. Parametric studies of geotechnical installation processes in order to identify the governing parameters for the optimization of the process are given in such a way that the findings can be recommended to practice for further use. For many design engineers in practice the assessment of the serviceability of nearby structures due to geotechnical installation processes is a very challenging task. Some hints about possible effects and their consideration are given in this book which may provide a help for such estimations which are still not possible to be given in a satisfactory manner.
Category: Science

Theoretical And Numerical Unsaturated Soil Mechanics

Author : Tom Schanz
ISBN : 9783540698760
Genre : Technology & Engineering
File Size : 65.33 MB
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These proceedings are a continuation of the series of International Conferences in Germany entitled "Mechanics of Unsaturated Soils." The primary objective is to discuss and understand unsaturated soil behaviour such that engineered activities are made better with times in terms of judgment and quality. The proceedings contain recent research by leading experts in Mechanics of Unsaturated Soils.
Category: Technology & Engineering

Numerical Models In Geomechanics

Author : G.N. Pande
ISBN : 9781000150971
Genre : Technology & Engineering
File Size : 85.7 MB
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In this volume a number of developments on a variety of topics have been reported. These topics include: partially saturated soil; instabilities in soil behaviour; environmental geomechanics; parallel computing; and applications to tunnels, embankments, slopes, foundations and anchors.
Category: Technology & Engineering

Computational Structural Dynamics And Earthquake Engineering

Author : Manolis Papadrakakis
ISBN : 9780203881637
Genre : Technology & Engineering
File Size : 25.89 MB
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The increasing necessity to solve complex problems in Structural Dynamics and Earthquake Engineering requires the development of new ideas, innovative methods and numerical tools for providing accurate numerical solutions in affordable computing times. This book presents the latest scientific developments in Computational Dynamics, Stochastic Dynam
Category: Technology & Engineering

Felsbau

Author :
ISBN : PSU:000055060813
Genre : Rock excavation
File Size : 79.73 MB
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Category: Rock excavation

Numerical Modelling Of Construction Processes In Geotechnical Engineering For Urban Environment

Author : Theodoros Triantafyllidis
ISBN : 143983377X
Genre : Technology & Engineering
File Size : 60.86 MB
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It has become increasingly important, particularly in an urban environment, to predict soil behaviour and to confine the settlement or deformation of buildings adjacent to construction sites. One important factor is the choice of construction procedure for the installation of piles, sheet pile walls, anchors or for soil improvement techniques, ground freezing and tunnelling methods. The modelling of construction processes, which are frequently associated with large deformations of the soil and with strong changes in the structure of the soil around the construction plant, in the case of, for example, a drill, a bit, a vibrator, or an excavation tool, requires sophisticated and new methods in numerical modelling. Often the simulation of the construction procedure is neglected in the calculations. Such methods are described and discussed in this book, as are examples of the methods applied to geotechnical practice, field and laboratory testing as well as case studies. This volume provides a valuable source of reference for scientists in geotechnical engineering and numerical modelling, geotechnical engineers, post graduate students, construction companies and consultants, manufacturers of geotechnical construction plants and software suppliers and developers of geotechnical construction methods.
Category: Technology & Engineering

Modern Trends In Geomechanics

Author : Wei Wu
ISBN : 9783540357247
Genre : Technology & Engineering
File Size : 89.49 MB
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This book is loaded with rich and stimulating articles by a roster of brilliant scholars, reflecting some recent trends in the frontier research of geomechanics. This collection of 32 contributions stems from an international workshop on "Modern Trends of Geomechanics" held in Vienna. The contributions span a wide range of topics and an enormous range of physical scales, from micromechanics at grain scale to engineering problems at large scale; from laboratory and field testing over constitutive modelling to numerical analysis. The key features of this book are: thermodynamics, multiphase continua and transport phenomena; constitutive modelling, localized bifurcation, micropolar theory, unsaturated soil, viscous and cyclic behaviour; numerical and analytical methods; discrete element method, micromechanics, grain crushing and damage; laboratory and field testing, foundation and mining engineering. This book will be rewarding for anyone interested in the frontier research in geomechanics and geotechnical engineering, appealing to graduate students, researchers and engineers alike.
Category: Technology & Engineering

Advances In Spatio Temporal Analysis

Author : Xinming Tang
ISBN : 0415408229
Genre : Science
File Size : 47.65 MB
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Developments in Geographic Information Technology have raised the expectations of users. A static map is no longer enough; there is now demand for a dynamic representation. Time is of great importance when operating on real world geographical phenomena, especially when these are dynamic. Researchers in the field of Temporal Geographical Information Systems (TGIS) have been developing methods of incorporating time into geographical information systems. Spatio-temporal analysis embodies spatial modelling, spatio-temporal modelling and spatial reasoning and data mining. Advances in Spatio-Temporal Analysis contributes to the field of spatio-temporal analysis, presenting innovative ideas and examples that reflect current progress and achievements.
Category: Science

Numge 2002

Author : Philippe Mestat
ISBN : 2859783628
Genre :
File Size : 83.76 MB
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Proceedings Of China Europe Conference On Geotechnical Engineering

Author : Wei Wu
ISBN : 9783319971124
Genre : Science
File Size : 51.90 MB
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This book compiles the first part of contributions to the China–Europe Conference on Geotechnical Engineering held 13.-16. August 2016 in Vienna, Austria. About 400 papers from 35 countries cover virtually all areas of geotechnical engineering and make this conference a truly international event. The contributions are grouped into thirteen special sessions and provide an overview of the geoengineering research and practice in China, Europe and the world: · Constitutive model · Micro-macro relationship · Numerical simulation · Laboratory testing · Geotechnical monitoring, instrumentation and field test · Foundation engineering · Underground construction · Environmental geotechnics · New geomaterials and ground improvement · Cold regions geotechnical engineering · Geohazards – risk assessment, mitigation and prevention · Unsaturated soils and energy geotechnics · Geotechnics in transportation, structural and hydraulic Engineering
Category: Science

Geotechnical Engineering Handbook Fundamentals

Author : Ulrich Smoltczyk
ISBN : 3433014493
Genre : Technology & Engineering
File Size : 49.89 MB
Format : PDF
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Volume 1 covers the basics necessary for any construction activity in foundation engineering. This systematic introduction to the assessment of soil and rock properties provides an insight into the requirements of Eurocode 7, Parts 1 and 3. It also gives details of geotechnical laboratory and field tests and the associated equipment, concise treatments of relevant solutions provided by the theories of elasticity and plasticity and numerical methods applied to solve problems of geotechnical design. The problems of earthquakes are also explained with regard to Eurocode 8.
Category: Technology & Engineering