Numerical Methods For Implementing The Bounding Surface Plasticity Model For Clays
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Numerical Methods For Implementing The Bounding Surface Plasticity Model For Clays
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Author : Thomas Joseph Holland
language : en
Publisher:
Release Date : 1997
Numerical Methods For Implementing The Bounding Surface Plasticity Model For Clays written by Thomas Joseph Holland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Previous work on the development and numerical implementation of the bound surface plasticity model for clays is discussed. Modifications were made to the hardening relationship to improve the numerical performance in the tensile range. A rate equation for the loading surface was developed. Modifications were made to the invariant description of the bounding surface to avoid numerical difficulties in evaluating the derivatives. The closest point projection method is described for simple and general internal variable plasticity models. The method was developed within the classical plasticity framework and uses the Newton-Raphson method to satisfy the implicit integration of the rate equations and the consistency condition. An explicit treatment of the internal variables is discussed. Application of this method for the bounding surface plasticity model for clays was developed by adding an internal variable and using the rate equation for the loading surface. A new algorithm 'the reduced Newton method' was developed for the bounding surface plasticity model for clays. It involved mapping the stress rate equations, internal variable rate equations and the consistency condition into two nonlinear equations and integrating them with a backwards Euler formula using Newton-Raphson iteration. Comparisons of predictions for a number of sample problems was made using the trapezoidal integration, closest point and reduced Newton methods. 'Exact' solutions for stress points that start on the bounding surface were developed by assigning an arbitrary stress path and calculating the corresponding strains using numerical integration with a tight tolerance. The 'exact' solutions were used to evaluate the effectiveness of the proposed general numerical implementation of the bounding surface method. A standard effective stress interface is proposed for finite element programs that u.
Numerical Methods In Geotechnical Engineering Ix
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Author : António S. Cardoso
language : en
Publisher: CRC Press
Release Date : 2018-06-19
Numerical Methods In Geotechnical Engineering Ix written by António S. Cardoso and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-19 with Technology & Engineering categories.
Numerical Methods in Geotechnical Engineering IX contains 204 technical and scientific papers presented at the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE2018, Porto, Portugal, 25—27 June 2018). The papers cover a wide range of topics in the field of computational geotechnics, providing an overview of recent developments on scientific achievements, innovations and engineering applications related to or employing numerical methods. They deal with subjects from emerging research to engineering practice, and are grouped under the following themes: Constitutive modelling and numerical implementation Finite element, discrete element and other numerical methods. Coupling of diverse methods Reliability and probability analysis Large deformation – large strain analysis Artificial intelligence and neural networks Ground flow, thermal and coupled analysis Earthquake engineering, soil dynamics and soil-structure interactions Rock mechanics Application of numerical methods in the context of the Eurocodes Shallow and deep foundations Slopes and cuts Supported excavations and retaining walls Embankments and dams Tunnels and caverns (and pipelines) Ground improvement and reinforcement Offshore geotechnical engineering Propagation of vibrations Following the objectives of previous eight thematic conferences, (1986 Stuttgart, Germany; 1990 Santander, Spain; 1994 Manchester, United Kingdom; 1998 Udine, Italy; 2002 Paris, France; 2006 Graz, Austria; 2010 Trondheim, Norway; 2014 Delft, The Netherlands), Numerical Methods in Geotechnical Engineering IX updates the state-of-the-art regarding the application of numerical methods in geotechnics, both in a scientific perspective and in what concerns its application for solving practical boundary value problems. The book will be much of interest to engineers, academics and professionals involved or interested in Geotechnical Engineering.
Numerical Methods In Geomechanics Volume 1
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Author : G. Swoboda
language : en
Publisher: Routledge
Release Date : 2017-11-01
Numerical Methods In Geomechanics Volume 1 written by G. Swoboda and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-01 with Technology & Engineering categories.
First Published in 2017. Routledge is an imprint of Taylor & Francis, an Informa company.
Analytical Methods In Petroleum Upstream Applications
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Author : Cesar Ovalles
language : en
Publisher: CRC Press
Release Date : 2015-04-02
Analytical Methods In Petroleum Upstream Applications written by Cesar Ovalles and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-02 with Science categories.
Effective measurement of the composition and properties of petroleum is essential for its exploration, production, and refining; however, new technologies and methodologies are not adequately documented in much of the current literature. Analytical Methods in Petroleum Upstream Applications explores advances in the analytical methods and instrumentation that allow more accurate determination of the components, classes of compounds, properties, and features of petroleum and its fractions. Recognized experts explore a host of topics, including: A petroleum molecular composition continuity model as a context for other analytical measurements A modern modular sampling system for use in the lab or the process area to collect and control samples for subsequent analysis The importance of oil-in-water measurements and monitoring The chemical and physical properties of heavy oils, their fractions, and products from their upgrading Analytical measurements using gas chromatography and nuclear magnetic resonance (NMR) applications Asphaltene and heavy ends analysis Chemometrics and modeling approaches for understanding petroleum composition and properties to improve upstream, midstream, and downstream operations Due to the renaissance of gas and oil production in North America, interest has grown in analytical methods for a wide range of applications. The understanding provided in this text is designed to help chemists, geologists, and chemical and petroleum engineers make more accurate estimates of the crude value to specific refinery configurations, providing insight into optimum development and extraction schemes.
Numerical Methods In Geotechnical Engineering Ix Volume 1
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Author : Manuel de Matos Fernandes
language : en
Publisher: CRC Press
Release Date : 2018-06-22
Numerical Methods In Geotechnical Engineering Ix Volume 1 written by Manuel de Matos Fernandes and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-22 with Technology & Engineering categories.
NUMGE 2018 is the ninth in a series of conferences on Numerical Methods in Geotechnical Engineering organized by the ERTC7 under the auspices of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE). The first conference was held in 1986 in Stuttgart, Germany and the series continued every four years (1990 Santander, Spain; 1994 Manchester, United Kingdom; 1998 Udine, Italy; 2002 Paris, France; 2006 Graz, Austria; 2010 Trondheim, Norway; 2014 Delft, The Netherlands). The conference provides a forum for exchange of ideas and discussion on topics related to numerical modelling in geotechnical engineering. Both senior and young researchers, as well as scientists and engineers from Europe and overseas, are invited to attend this conference to share and exchange their knowledge and experiences. This work is the first volume of NUMGE 2018.
Numerical Methods In Geotechnical Engineering
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Author : Thomas Benz
language : en
Publisher: CRC Press
Release Date : 2010-05-25
Numerical Methods In Geotechnical Engineering written by Thomas Benz and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-05-25 with Technology & Engineering categories.
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
Consolidation Of Soils
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Author : Frank C. Townsend
language : en
Publisher: ASTM International
Release Date : 1986
Consolidation Of Soils written by Frank C. Townsend and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Technology & Engineering categories.
Numerical Methods In Geotechnical Engineering Ix Volume 2
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Author : António S. Cardoso
language : en
Publisher: CRC Press
Release Date : 2018-06-27
Numerical Methods In Geotechnical Engineering Ix Volume 2 written by António S. Cardoso and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-27 with Technology & Engineering categories.
Numerical Methods in Geotechnical Engineering IX contains 204 technical and scientific papers presented at the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE2018, Porto, Portugal, 25—27 June 2018). The papers cover a wide range of topics in the field of computational geotechnics, providing an overview of recent developments on scientific achievements, innovations and engineering applications related to or employing numerical methods. They deal with subjects from emerging research to engineering practice, and are grouped under the following themes: Constitutive modelling and numerical implementation Finite element, discrete element and other numerical methods. Coupling of diverse methods Reliability and probability analysis Large deformation – large strain analysis Artificial intelligence and neural networks Ground flow, thermal and coupled analysis Earthquake engineering, soil dynamics and soil-structure interactions Rock mechanics Application of numerical methods in the context of the Eurocodes Shallow and deep foundations Slopes and cuts Supported excavations and retaining walls Embankments and dams Tunnels and caverns (and pipelines) Ground improvement and reinforcement Offshore geotechnical engineering Propagation of vibrations Following the objectives of previous eight thematic conferences, (1986 Stuttgart, Germany; 1990 Santander, Spain; 1994 Manchester, United Kingdom; 1998 Udine, Italy; 2002 Paris, France; 2006 Graz, Austria; 2010 Trondheim, Norway; 2014 Delft, The Netherlands), Numerical Methods in Geotechnical Engineering IX updates the state-of-the-art regarding the application of numerical methods in geotechnics, both in a scientific perspective and in what concerns its application for solving practical boundary value problems. The book will be much of interest to engineers, academics and professionals involved or interested in Geotechnical Engineering. This is volume 2 of the NUMGE 2018 set.
Design Of Deep Braced Excavation In Urban Geotechnical Environments
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Author : Wengang Zhang
language : en
Publisher: Elsevier
Release Date : 2024-05-21
Design Of Deep Braced Excavation In Urban Geotechnical Environments written by Wengang Zhang and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-05-21 with Science categories.
Design of Deep Braced Excavation in Urban Geotechnical Environments presents the design and calculation of deep braced excavation in urban geotechnical environments considering the soil characteristics of spatial variability and anisotropy, as well as excavation responses of urban adjacent utilities such as pipelines, tunnels, foundation piles and buildings. With economic development and further urbanization, excavation goes deeper, longer, and larger in scale. These conditions require advanced analysis and design methods. The text begins with coverage of overall stability, earth pressure and strut force, retaining wall responses, and ground movements. Numerical modeling and computer codes are outlined in detail. The authors then take a close look at the design of jet grouting for deformation control, instrumentation and back analysis for excavation, and the characteristics of deep braced excavation in complex geological environment. The final chapters conclude with an examination of the determination of excavation responses of urban adjacent utilities and failure analysis based on several case histories. This book provides the latest knowledge in both theory and practical application for geotechnical design engineers working on deep excavation problems. - Presents the latest theory and knowledge surrounding deep braced excavations - Systematically outlines theory, field reports, calculations, and back analysis, making it much easier to master the work relevant with deep braced excavations - Provides detailed visual elements and hyperlinks to additional images and video for case excavations to enhance understanding
Earthquake Geotechnical Engineering For Protection And Development Of Environment And Constructions
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Author : Francesco Silvestri
language : en
Publisher: CRC Press
Release Date : 2019-10-22
Earthquake Geotechnical Engineering For Protection And Development Of Environment And Constructions written by Francesco Silvestri and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-22 with Technology & Engineering categories.
Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions contains invited, keynote and theme lectures and regular papers presented at the 7th International Conference on Earthquake Geotechnical Engineering (Rome, Italy, 17-20 June 2019. The contributions deal with recent developments and advancements as well as case histories, field monitoring, experimental characterization, physical and analytical modelling, and applications related to the variety of environmental phenomena induced by earthquakes in soils and their effects on engineered systems interacting with them. The book is divided in the sections below: Invited papers Keynote papers Theme lectures Special Session on Large Scale Testing Special Session on Liquefact Projects Special Session on Lessons learned from recent earthquakes Special Session on the Central Italy earthquake Regular papers Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions provides a significant up-to-date collection of recent experiences and developments, and aims at engineers, geologists and seismologists, consultants, public and private contractors, local national and international authorities, and to all those involved in research and practice related to Earthquake Geotechnical Engineering.