On The Role Of Constitutive Behaviour In The Response Of Squeezing Ground To Tunnelling
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On The Role Of Constitutive Behaviour In The Response Of Squeezing Ground To Tunnelling
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Author : Weijie Dong
language : en
Publisher: vdf Hochschulverlag AG
Release Date : 2017-08-14
On The Role Of Constitutive Behaviour In The Response Of Squeezing Ground To Tunnelling written by Weijie Dong and has been published by vdf Hochschulverlag AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-14 with Technology & Engineering categories.
Squeezing conditions in tunnelling are characterized by the occurrence of large deformations of the opening or high rock pressure that may overstress the lining. Squeezing is associated with poor quality rock. Tunnelling in squeezing ground involves great uncertainties. It is therefore very important to gain a better understanding of the underlying mechanisms. Triaxial testing is the main source of information in order to understand the mechanical features of squeezing ground. Despite the complexity of the squeezing mechanism and the behaviour observed under relatively simple loading conditions, most of previous research work and engineering design practice considers the ground as a linearly elastic, perfectly plastic material obeying the Mohr-Coulomb yield criterion. While the MC model is capable of predicting the final strength and post-failure volumetric behaviour of the squeezing rock, it cannot map some potentially important pre-failure features or the occasionally observed contractant plastic deformation. In addition, the MC model usually leads to an overestimation of the strength under undrained conditions, which is unsafe for tunnel design. The present thesis mainly addresses the influence of constitutive modelling on predictions about the response of squeezing ground to tunnelling in order to provide some general guidelines for basic engineering analysis. This objective is achieved by investigating the behaviour of squeezing rocks theoretically and experimentally, using samples from several tunnel projects, including the Gotthard base tunnel and the planned Gibraltar strait tunnel.
On The Variability Of Squeezing Behaviour In Tunnelling
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Author : Florence Mezger
language : en
Publisher: vdf Hochschulverlag AG
Release Date : 2020-07-01
On The Variability Of Squeezing Behaviour In Tunnelling written by Florence Mezger and has been published by vdf Hochschulverlag AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-01 with Technology & Engineering categories.
On the variability of squeezing behaviour in tunnelling
Spatial Effects In Tunnelling Through Squeezing Ground
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Author : Linard Cantieni
language : en
Publisher: vdf Hochschulverlag AG
Release Date : 2011
Spatial Effects In Tunnelling Through Squeezing Ground written by Linard Cantieni and has been published by vdf Hochschulverlag AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Technology & Engineering categories.
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.
Proceedings Of The Indian Geotechnical Conference 2022 Volume 5
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Author : Babu T. Jose
language : en
Publisher: Springer Nature
Release Date : 2024-07-19
Proceedings Of The Indian Geotechnical Conference 2022 Volume 5 written by Babu T. Jose and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-19 with Technology & Engineering categories.
This book comprises the select proceedings of the Indian Geotechnical Conference (IGC) 2022. The contents focus on recent developments in geotechnical engineering for a sustainable world. The book covers behavior of soils and soil-structure interaction, soil stabilization, ground improvement, and land reclamation, shallow and deep foundations, geotechnical, geological and geophysical investigation, rock engineering, tunneling, and underground structures, slope stability, landslides and liquefaction, earth retaining structures and deep excavations, geosynthetics engineering, geo-environmental engineering, sustainable geotechnics, and landfill design, geo-hydrology, dam and embankment engineering, earthquake geotechnical engineering, transportation geotechnics, forensic geotechnical engineering and retrofitting of geotechnical structures, offshore geotechnics, marine geology and subsea site investigation, computational, analytical and numerical modeling, and reliability in geotechnical engineering. The contents of this book are useful for researchers and professionals alike.
Tunnelling For A Better Life
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Author : Jinxiu Yan
language : en
Publisher: CRC Press
Release Date : 2024-05-29
Tunnelling For A Better Life written by Jinxiu Yan and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-05-29 with Technology & Engineering categories.
Tunnelling for a Better Life contain the contributions presented at the ITA-AITES World Tunnel Congress 2024, which was held from 19-25 April 2024 in Shenzhen, China. As urbanization accelerates, the pivotal role of tunnels and underground spaces in fostering environmental sustainability and improving quality of life becomes ever more pronounced. These underground structures serve as sustainable solutions to the challenges posed by rapid urban growth. By seamlessly integrating into urban landscapes, they alleviate congestion, reduce pollution, and enhance overall mobility, thus contributing to a greener and more sustainable urban environment. Moreover, tunnels and underground works provide vital support for various urban functions, such as accommodating economic activities, providing safe shelters during emergencies or disasters, and facilitating efficient utility management. They address immediate urban needs and lay the foundation for a better and more resilient future. By focusing on the latest trends in tunnelling and underground engineering, and looking ahead to the era of low-carbon and intelligent technology, the papers in this book illustrate the transformative potential of tunnels and underground works in shaping a better life for present and future generations. The contributions cover a comprehensive range of topics on tunnel engineering, showcasing the latest advancements, insights, and innovations across the following areas: 1. Planning and General Aspects 2. Design and Methodology 3. Geotechnics, Geology and Geophysical Prospecting 4. Ground Stability and Consolidation 5. Support and Lining 6. Conventional Tunnelling 7. Mechanized Tunneling (TBM, shield) 8. Immersed Tunnels 9. Waterproofing and Drainage 10. Instrumentation and Monitoring/ Testing and Inspection 11. Digital and Information Technology 12. Machine Learning 13. Underground Caverns/Underground Space Use 14. Operational Safety, Maintenance and Repair 15. Contractual Practices and Risk Management Tunnelling for a Better Life is a must-read for professionals, engineers, owners, and other stakeholders worldwide in tunnelling and underground engineering.
Dynamic Non Linear Soil Behaviour In Alpine Areas
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Author : Alexandru Marin
language : de
Publisher: vdf Hochschulverlag AG
Release Date : 2019-10-04
Dynamic Non Linear Soil Behaviour In Alpine Areas written by Alexandru Marin and has been published by vdf Hochschulverlag AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-04 with Science categories.
Influence Of Smear And Compaction Zones On The Performance Of Stone Columns In Lacustrine Clay
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Author : Jean Nicolas François-Xavier Gautray
language : de
Publisher: vdf Hochschulverlag AG
Release Date : 2019-02-20
Influence Of Smear And Compaction Zones On The Performance Of Stone Columns In Lacustrine Clay written by Jean Nicolas François-Xavier Gautray and has been published by vdf Hochschulverlag AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-20 with Science categories.
Construction on soft soils is always accompanied by the risk of significant, time-dependent settlement and bearing capacity failure. As technical knowledge has advanced, optimised ground improvement has offered significant economic advantages in reducing net settlement and resisting failure by installation of more flexible and cost-effective stone columns or sand compaction piles in the ground, rather than more rigid inclusions such as steel or concrete piles. The stiffness and strength of the subsoil around the columns is greater, and the consolidation time is reduced through shorter (radial) drainage paths.
Handbook On Tunnels And Underground Works
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Author : Emilio Bilotta
language : en
Publisher: CRC Press
Release Date : 2022-02-22
Handbook On Tunnels And Underground Works written by Emilio Bilotta and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-22 with Technology & Engineering categories.
The book provides a new, global, updated, thorough, clear and practical risk-based approach to tunnelling design and construction methods, and discusses detailed examples of solutions applied to relevant case histories. It is organized in three sequential and integrated volumes: Volume 1: Concept – Basic Principles of Design Volume 2: Construction – Methods, Equipment, Tools and Materials Volume 3: Case Histories and Best Practices The book covers all aspects of tunnelling, giving useful and practical information about design (Volume 1), construction (Volume 2) and best practices (Volume 3). It provides the following features and benefits: updated vision on tunnelling design, tools, materials and construction balanced mix of theory, technology and applied experience different and harmonized points of view from academics, professionals and contractors easy consultation in the form of a handbook risk-oriented approach to tunnelling problems. The tunnelling industry is amazingly widespread and increasingly important all over the world, particularly in developing countries. The possible audience of the book are engineers, geologists, designers, constructors, providers, contractors, public and private customers, and, in general, technicians involved in the tunnelling and underground works industry. It is also a suitable source of information for industry professionals, senior undergraduate and graduate students, researchers and academics.
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