Fundamentals of Discrete Element Methods for Rock Engineering Theory and Applications

Author: Lanru Jing
Publisher: Elsevier
ISBN: 9780080551852
Format: PDF, Kindle
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This book presents some fundamental concepts behind the basic theories and tools of discrete element methods (DEM), its historical development, and its wide scope of applications in geology, geophysics and rock engineering. Unlike almost all books available on the general subject of DEM, this book includes coverage of both explicit and implicit DEM approaches, namely the Distinct Element Methods and Discontinuous Deformation Analysis (DDA) for both rigid and deformable blocks and particle systems, and also the Discrete Fracture Network (DFN) approach for fluid flow and solute transport simulations. The latter is actually also a discrete approach of importance for rock mechanics and rock engineering. In addition, brief introductions to some alternative approaches are also provided, such as percolation theory and Cosserat micromechanics equivalence to particle systems, which often appear hand-in-hand with the DEM in the literature. Fundamentals of the particle mechanics approach using DEM for granular media is also presented. · Presents the fundamental concepts of the discrete models for fractured rocks, including constitutive models of rock fractures and rock masses for stress, deformation and fluid flow · Provides a comprehensive presentation on discrete element methods, including distinct elements, discontinuous deformation analysis, discrete fracture networks, particle mechanics and Cosserat representation of granular media · Features constitutive models of rock fractures and fracture system characterization methods detaiing their significant impacts on the performance and uncertainty of the DEM models

XAFS for Everyone

Author: Scott Calvin
Publisher: CRC Press
ISBN: 0415684048
Format: PDF, ePub
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XAFS for Everyone provides a practical, thorough guide to x-ray absorption fine-structure (XAFS) spectroscopy for both novices and seasoned practitioners from a range of disciplines. The text is enhanced with more than 200 figures as well as cartoon characters who offer informative commentary on the different approaches used in XAFS spectroscopy. The book covers sample preparation, data reduction, tips and tricks for data collection, fingerprinting, linear combination analysis, principal component analysis, and modeling using theoretical standards. It describes both near-edge (XANES) and extended (EXAFS) applications in detail. Examples throughout the text are drawn from diverse areas, including materials science, environmental science, structural biology, catalysis, nanoscience, chemistry, art, and archaeology. In addition, five case studies from the literature demonstrate the use of XAFS principles and analysis in practice. The text includes derivations and sample calculations to foster a deeper comprehension of the results. Whether you are encountering this technique for the first time or looking to hone your craft, this innovative and engaging book gives you insight on implementing XAFS spectroscopy and interpreting XAFS experiments and results. It helps you understand real-world trade-offs and the reasons behind common rules of thumb.

Innovative Numerical Modelling in Geomechanics

Author: Luis Ribeiro e Sousa
Publisher: CRC Press
ISBN: 0203829808
Format: PDF, Kindle
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Since the 1990s five books on ‘Applications of Computational Mechanics in Geotechnical Engineering’ have been published. Innovative Numerical Modelling in Geomechanics is the 6th and final book in this series, and contains papers written by leading experts on computational mechanics. The book treats highly relevant topics in the field of geotechnics, such as environmental geotechnics, open and underground excavations, foundations, embankments and rockfill dams, computational systems and oil geomechanics. Special attention is paid to risk in geotechnical engineering, and to recent developments in applying Bayesian networks and Data Mining techniques. Innovative Numerical Modelling in Geomechanics will be of interest to civil, mining and environmental engineers, as well as to engineering geologists. The book will also be useful for academics and researchers involved in geotechnics.

Mechanical Behaviour of Salt VII

Author: Pierre Bérest
Publisher: CRC Press
ISBN: 020310076X
Format: PDF
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This collection of papers on research into and management of underground structures in salt formations represents the state-of-the-art on applications of salt mechanics in mines and storage caverns for gas/hydrocarbon, radioactive waste and toxic waste disposal. The contributions cover laboratory experiments, constitutive numerical modeling and field investigations, and deal with creep, damage, thermo-hydro-mechanical and chemical-coupled effects, lessons learnt from real sites and structures and in-situ monitoring. The book is organized into eight topics: • Laboratory investigations and constitutive modeling • Coupled processes and hydro-chemical effects (THMC) • Field measurements and back-analyses • Numerical modeling • Dry mining, post-mining and backfilling • Liquid hydrocarbon storage and brine-production caverns • Gaseous hydrocarbon storage and compressed air energy storage • Hazardous and radioactive waste disposal Mechanical Behavior of Salt VII will appeal to academics, engineers and professionals involved in salt mechanics.

Soil and Rock Behavior and Modeling

Author: Ronaldo Luna
Publisher: Amer Society of Civil Engineers
ISBN:
Format: PDF, ePub, Mobi
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Soil and Rock Behavior and Modeling represents the latest advances in the static and dynamic behavior of soils and rocks, including constitutive modeling and numerical methods. This Geotechnical Special Publication contains 65 international papers that were presented at the GeoShanghai Conference held in Shanghai, China from June 6-8, 2006. The book begins with two keynote articles that discuss soil constitutive modeling. The first section of the book discusses theoretical concepts and experimental procedures of soil behavior and laboratory testing. The second sections papers span from advanced concepts in rock mechanics to the interactions in constructed facilities. It also includes numerical applications of problems in rocks. The third section focuses on modeling soil behavior, with many of the papers using field and laboratory experimental data to verify their findings. Finally, the fourth section discusses the latest advances in soil and soil structure interactions under dynamic excitation. It contains results from work using shaking tables, wave induced loading, vibrations and numerical simulations.

Rock Mechanics in Civil and Environmental Engineering

Author: Jian Zhao
Publisher: CRC Press
ISBN: 0203840690
Format: PDF, ePub
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During the last two decades rock mechanics in Europe has been undergoing some major transformation. The reduction of mining activities in Europe affects heavily on rock mechanics teaching and research at universities and institutes. At the same time, new emerging activities, notably, underground infrastructure construction, geothermal energy development, radioactive waste and CO2 repository, and natural hazard management, are creating new opportunities of research and engineering. Rock mechanics today is closely associated with, and indeed part of, construction, energy, and environmental engineering. Rock Mechanics in Civil and Environmental Engineering collects 200 papers presented at the European Rock Mechanics Symposium EUROCK 2010, covering recent developments in rock mechanics. Topics include: rock mechanics theory, rock dynamics and rate dependent behaviour, laboratory and field test techniques, numerical modelling methods, and rock mechanics applications to engineering design, tunnel excavation and support, slope stabilisation, radioactive waste repository, petroleum and hydropower energy, earthquake and natural hazard management. The book will be invaluable to academics and engineers involved and interested in rock mechanics and rock.

Advances in Designing and Testing Deep Foundations

Author: Cumaraswamy Vipulanandan
Publisher: Amer Society of Civil Engineers
ISBN:
Format: PDF, ePub, Mobi
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Advances in Designing and Testing Deep Foundations contains 25 papers on designing, constructing, and testing various types of piles and piled rafts. This Geotechnical Special Publication No. 129 honors the late Professor Michael W. O'Neill, Ph.D., P.E., a distinguished educator and researcher who made significant contributions toward the advancement of the state-of-the-art and state-of-the-practice of deep foundations. Professor O'Neill played a critical role in investigating the load transfer mechanisms of various types of piles in soils and rocks and was internationally known for his work on drilled shafts, augered piles, and field testing of various types of piles. This publication is an effective means of sharing the advances in deep foundations with practitioners, researchers, and designers.

Seismic Performance And Simulation of Pile Foundations in Liquefied And Laterally Spreading Ground

Author: Ross W. Boulanger
Publisher: American Society of Civil Engineers
ISBN: 9780784408223
Format: PDF, Mobi
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This Geotechnical Special Publication contains twenty-five papers from a workshop on seismic performance and simulation of pile foundations in liquefied and laterally spreading ground, held in Davis, California on March 16-19, 2005. The papers discuss physical measurements and observations from earthquake case histories, field tests in blast-liquefied ground, dynamic centrifuge model studies, and large-scale shaking table studies. They also contain recent findings on fundamental soil-pile-interaction mechanisms, numerical analysis methods, and reviews and evaluations of existing and emerging design methodologies. This proceedings provides comprehensive coverage of a major issue in earthquake engineering practice and hazard mitigation efforts, and will be beneficial to researchers and practitioners alike. View Table of Contents!

Foundation Analysis and Design

Author: Robert L. Parsons
Publisher: Amer Society of Civil Engineers
ISBN:
Format: PDF
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Foundation Analysis and Design: Innovative Methods covers recent advances in the research and construction of shallow foundations, pile foundations and limit state design. This Geotechnical Special Publication contains 44 technical papers that were presented at the GeoShanghai Conference held in Shanghai, China from June 6-8, 2006. The book begins with a keynote paper by Professor Harry Poulos, which summarizes recent advances in the settlement of pile groups. The next section contains fifteen papers which address statistical applications and the use of limit state design for foundations. The third section contains 25 papers on deep foundations that describe a series of advances in the estimation of pile capacity and pile installation issues. The final section includes three papers that focus on advances in the estimation of settlement associated with shallow foundations.