Download or read book Theoretical Solution for Tunneling Induced Stress Field of Subdeep Buried Tunnel written by Qinghua Xiao and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In the traditional Kirsch solution of stress field induced by tunneling in rock mass, the body force was not taken into consideration, and therefore the Kirsch solution is limited to demonstrate stress redistribution of deep-buried tunnel. In order to consider the effect of body force on the stress redistribution induced by tunneling, a new secondary stress field solution for tunnel between shallow and deep tunnel (called subdeep tunnel) is developed with elastic mechanics and complex function employed. The stress field from theoretical solution is verified by numerical models, and the results showed good agreements with each other. This solution can be the basic theory in the analysis of the stress and field of subdeep tunnel, which have not been valuated through theoretical study yet.
Download or read book Rockbolting written by Charlie Chunlin Li and published by Butterworth-Heinemann. This book was released on 2017-05-22 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rockbolting: Principles and Applications brings current theoretical and practical developments in the most widely used support device for underground rock excavations. Today, one cannot find any rock excavation project that does not use rockbolts for rock support. The worldwide annual assumption of rockbolts is in the billions, with pieces applied to mines, tunnels and other types of geotechnical projects for rock and soil reinforcement. The text is based on over 25 years of experience of the author both as academic and practitioner. The book introduces the principles and background concepts of rock support, and then offers a comprehensive overview of the mechanics of rockbolting, as well as current rock bolt types such as mechanical, grouted, self-drilling, grouted cables, frictional and yield rockbolts. Installation and performance assessment are covered next including load-displacement curves and energy-absorption capacities. Two chapters on design and quality control, respectively, cover failure mechanics, the selection process and the connections with other supporting devices. On quality control, the author explains the usual tests and displacement measurements. The final chapter brings current case studies that combine the concepts presented in the whole book. The book is a professional reference for engineers in the mining and geotechnical industries and can be used as research material for academics in rock mechanics and stability studies. Offers theoretical knowledge on rock bolts and rockbolting Covers the standard and most recent types of rockbolts Includes information on rockbolting in high stress rock Presents case studies that introduce practical applications in several conditions
Download or read book Underground Structures written by R.S. Sinha and published by Elsevier. This book was released on 2012-12-02 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the most up to date information relevant to the design and instrumentation of underground structures. The structure might be a tunnel, shaft, cavern, or pressure unit, or a combination thereof. Empirical, rational, numerical, convergence and confinement, and discontinuity analysis methods are treated comprehensively. Special chapters are devoted to underground structures in rock burst, swelling, squeezing, and seismic zones. Water control, instrumentation, and tunneling through soft ground are also treated extensively. Sections on the design of pressure tunnels, shafts, caverns, shotcreting, water control, and soft ground tunnels are informative and authoritative. Worked examples are included on the design of rock tunnels, soft ground tunnels, and the treatment of underground structures through difficult ground. Extensive references are provided, and figures, sketches and photographs aid presentation. Important tables on planning, and case histories, allow the reader to build confidence in his design of underground structures. The book will be beneficial to civil, structural, geotechnical and mining engineers, geologists, and planners and managers associated with the design and construction of underground structures.
Download or read book Cosmology and Astrophysics written by Thomas Gold and published by . This book was released on 1982 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers from a symposium held Oct. 9-11, 1980, at Cornell University, Ithaca, NY. Includes index.
Download or read book Tectonics of the Himalaya written by S. Mukherjee and published by Geological Society of London. This book was released on 2015-09-28 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Himalayan mountain belt, which developed during the India–Asia collision starting about 55 Ma ago, is a dramatically active orogen and it is regarded as the classic collisional orogen. It is characterized by an impressively continuous 2500 km of tectonic units, thrusts and normal faults, as well as large volumes of high-grade metamorphic rocks and granites exposed at the surface. This constitutes an invaluable field laboratory, where amazing crustal sections can be observed directly in very deep gorges. It is possible to unravel the tectonic and metamorphic evolution of litho-units, to observe the mechanisms of exhumation of deep-seated rocks and the propagation of the deformation. Himalayan tectonics has been the target of many studies from numerous international researchers over the years. In the last 15 years there has been an explosion of data and theories from both geological and geophysical perspectives. This book presents the results of integrated multidisciplinary studies, including geology, petrology, magmatism, geochemistry, geochronology and geophysics, of the structures and processes affecting the continental lithosphere. These processes and their spatial and temporal evolution have major consequences on the geometry and kinematics of the India–Eurasia collision zone.
Download or read book Sensor Technologies written by Michael J. McGrath and published by Apress. This book was released on 2014-01-23 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sensor Technologies: Healthcare, Wellness and Environmental Applications explores the key aspects of sensor technologies, covering wired, wireless, and discrete sensors for the specific application domains of healthcare, wellness and environmental sensing. It discusses the social, regulatory, and design considerations specific to these domains. The book provides an application-based approach using real-world examples to illustrate the application of sensor technologies in a practical and experiential manner. The book guides the reader from the formulation of the research question, through the design and validation process, to the deployment and management phase of sensor applications. The processes and examples used in the book are primarily based on research carried out by Intel or joint academic research programs. “Sensor Technologies: Healthcare, Wellness and Environmental Applications provides an extensive overview of sensing technologies and their applications in healthcare, wellness, and environmental monitoring. From sensor hardware to system applications and case studies, this book gives readers an in-depth understanding of the technologies and how they can be applied. I would highly recommend it to students or researchers who are interested in wireless sensing technologies and the associated applications.” Dr. Benny Lo Lecturer, The Hamlyn Centre, Imperial College of London “This timely addition to the literature on sensors covers the broad complexity of sensing, sensor types, and the vast range of existing and emerging applications in a very clearly written and accessible manner. It is particularly good at capturing the exciting possibilities that will occur as sensor networks merge with cloud-based ‘big data’ analytics to provide a host of new applications that will impact directly on the individual in ways we cannot fully predict at present. It really brings this home through the use of carefully chosen case studies that bring the overwhelming concept of 'big data' down to the personal level of individual life and health.” Dermot Diamond Director, National Centre for Sensor Research, Principal Investigator, CLARITY Centre for Sensor Web Technologies, Dublin City University "Sensor Technologies: Healthcare, Wellness and Environmental Applications takes the reader on an end-to-end journey of sensor technologies, covering the fundamentals from an engineering perspective, introducing how the data gleaned can be both processed and visualized, in addition to offering exemplar case studies in a number of application domains. It is a must-read for those studying any undergraduate course that involves sensor technologies. It also provides a thorough foundation for those involved in the research and development of applied sensor systems. I highly recommend it to any engineer who wishes to broaden their knowledge in this area!" Chris Nugent Professor of Biomedical Engineering, University of Ulster
Download or read book Speaking Private Authority written by Roberto J. Flores and published by Rowman & Littlefield. This book was released on 2020-05-26 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Speaking Private Authority: The Construction of Sustainability in Forests and Fisheries expands upon current understandings of the emergent global phenomenon that is private authority. As private authority is becoming increasingly important in the conduct of global governance, broadening our collective understanding of it will prove beneficial. Roberto J. Flores argues that private actors are not simply outgrowths of existent social structures or material conditions, rather they are purposive agents strategically pursuing an agenda. Therefore, explaining private authority requires an examination of the constitutive elements that underlie this social phenomenon––to which the author applies an analytical framework that combines social network theory with discourse analysis. The author applies these tools to two cases taken from the environmental sector––forests and fisheries—and finds that as environmental politics takes on an increasingly networked character the actors that are best able to generate and wield private authority are those that strategically place themselves in-between networks through the construction of discursive nodal points around which competing actors are forced to converge—at the level of identity. The case studies specifically look at how particular actors leveraged construction of the sustainable development concept in order to strategically place themselves in advantageous positions for exercising private authority.
Download or read book Applied Digital Logic Exercises Using FPGAs written by Kurt Wick and published by Morgan & Claypool Publishers. This book was released on 2017-10-03 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: FPGAs have almost entirely replaced the traditional Application Specific Standard Parts (ASSP) such as the 74xx logic chip families because of their superior size, versatility, and speed. For example, FPGAs provide over a million fold increase in gates compared to ASSP parts. The traditional approach for hands-on exercises has relied on ASSP parts, primarily because of their simplicity and ease of use for the novice. Not only is this approach technically outdated, but it also severely limits the complexity of the designs that can be implemented. By introducing the readers to FPGAs, they are being familiarized with current digital technology and the skills to implement complex, sophisticated designs. However, working with FGPAs comes at a cost of increased complexity, notably the mastering of an HDL language, such as Verilog. Therefore, this book accomplishes the following: first, it teaches basic digital design concepts and then applies them through exercises; second, it implements these digital designs by teaching the user the syntax of the Verilog language while implementing the exercises. Finally, it employs contemporary digital hardware, such as the FPGA, to build a simple calculator, a basic music player, a frequency and period counter and it ends with a microprocessor being embedded in the fabric of the FGPA to communicate with the PC. In the process, readers learn about digital mathematics and digital-to-analog converter concepts through pulse width modulation.
Download or read book Nanoparticles in Anti microbial Materials written by James Chapman and published by Royal Society of Chemistry. This book was released on 2012 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text describes research in the area of nanoparticles that show anti-microbial activity. It looks at the types of materials and their applications in the area of environmental science, medical devices and coatings for a range of applications.
Download or read book Smart Sensors for Industrial Applications written by Krzysztof Iniewski and published by CRC Press. This book was released on 2017-12-19 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sensor technologies are a rapidly growing area of interest in science and product design, embracing developments in electronics, photonics, mechanics, chemistry, and biology. Their presence is widespread in everyday life, where they are used to sense sound, movement, and optical or magnetic signals. The demand for portable and lightweight sensors is relentless in several industries, from consumer electronics to biomedical engineering to the military. Smart Sensors for Industrial Applications brings together the latest research in smart sensors technology and exposes the reader to myriad applications that this technology has enabled. Organized into five parts, the book explores: Photonics and optoelectronics sensors, including developments in optical fibers, Brillouin detection, and Doppler effect analysis. Chapters also look at key applications such as oxygen detection, directional discrimination, and optical sensing. Infrared and thermal sensors, such as Bragg gratings, thin films, and microbolometers. Contributors also cover temperature measurements in industrial conditions, including sensing inside explosions. Magnetic and inductive sensors, including magnetometers, inductive coupling, and ferro-fluidics. The book also discusses magnetic field and inductive current measurements in various industrial conditions, such as on airplanes. Sound and ultrasound sensors, including underwater acoustic modem, vibrational spectroscopy, and photoacoustics. Piezoresistive, wireless, and electrical sensors, with applications in health monitoring, agrofood, and other industries. Featuring contributions by experts from around the world, this book offers a comprehensive review of the groundbreaking technologies and the latest applications and trends in the field of smart sensors.
Download or read book Encyclopedia of Polymer Applications 3 Volume Set written by Munmaya Mishra and published by CRC Press. This book was released on 2018-12-17 with total page 6778 pages. Available in PDF, EPUB and Kindle. Book excerpt: Undoubtedly the applications of polymers are rapidly evolving. Technology is continually changing and quickly advancing as polymers are needed to solve a variety of day-to-day challenges leading to improvements in quality of life. The Encyclopedia of Polymer Applications presents state-of-the-art research and development on the applications of polymers. This groundbreaking work provides important overviews to help stimulate further advancements in all areas of polymers. This comprehensive multi-volume reference includes articles contributed from a diverse and global team of renowned researchers. It offers a broad-based perspective on a multitude of topics in a variety of applications, as well as detailed research information, figures, tables, illustrations, and references. The encyclopedia provides introductions, classifications, properties, selection, types, technologies, shelf-life, recycling, testing and applications for each of the entries where applicable. It features critical content for both novices and experts including, engineers, scientists (polymer scientists, materials scientists, biomedical engineers, macromolecular chemists), researchers, and students, as well as interested readers in academia, industry, and research institutions.
Download or read book Geometric and Ergodic Aspects of Group Actions written by S. G. Dani and published by Springer Nature. This book was released on 2020-01-13 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers papers on recent advances in the ergodic theory of group actions on homogeneous spaces and on geometrically finite hyperbolic manifolds presented at the workshop “Geometric and Ergodic Aspects of Group Actions,” organized by the Tata Institute of Fundamental Research, Mumbai, India, in 2018. Written by eminent scientists, and providing clear, detailed accounts of various topics at the interface of ergodic theory, the theory of homogeneous dynamics, and the geometry of hyperbolic surfaces, the book is a valuable resource for researchers and advanced graduate students in mathematics.
Download or read book Patriotism and Piety written by Jonathan J. Den Hartog and published by University of Virginia Press. This book was released on 2015-01-12 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Patriotism and Piety, Jonathan Den Hartog argues that the question of how religion would function in American society was decided in the decades after the Constitution and First Amendment established a legal framework. Den Hartog shows that among the wide array of politicians and public figures struggling to define religion’s place in the new nation, Federalists stood out—evolving religious attitudes were central to Federalism, and the encounter with Federalism strongly shaped American Christianity. Den Hartog describes the Federalist appropriations of religion as passing through three stages: a "republican" phase of easy cooperation inherited from the experience of the American Revolution; a "combative" phase, forged during the political battles of the 1790s–1800s, when the destiny of the republic was hotly contested; and a "voluntarist" phase that grew in importance after 1800. Faith became more individualistic and issue-oriented as a result of the actions of religious Federalists. Religious impulses fueled party activism and informed governance, but the redirection of religious energies into voluntary societies sapped party momentum, and religious differences led to intraparty splits. These developments altered not only the Federalist Party but also the practice and perception of religion in America, as Federalist insights helped to create voluntary, national organizations in which Americans could practice their faith in interdenominational settings. Patriotism and Pietyfocuses on the experiences and challenges confronted by a number of Federalists, from well-known leaders such as John Adams, John Jay, Charles Cotesworth Pinckney, and Timothy Dwight to lesser-known but still important figures such as Caleb Strong, Elias Boudinot, and William Jay.
Download or read book Passive Intermodulation written by Wanzhao Cui and published by CRC Press. This book was released on 2022-03-28 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes the passive intermodulation mechanism, analysis and evaluation methods, location detection and suppression technology of microwave components passive intermodulation from a theoretical and engineering perspective Gives practical suppression technology in the book, which provides reference for the engineers Introduces the latest achievements of microwave components passive intermodulation in a certain technical depth, guidance and inspiration
Download or read book Electric Machines Steady State Operation written by I. Boldea and published by CRC Press. This book was released on 1990-05-01 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: With numerous chapter problems and worked-out examples, this book presents a general introduction to electric machines, including their rating and certain economic considerations. Using a tradition presentation, the author includes a discussion of magnetic circuits and transformers, conventional dc, induction and synchronous machines. He closes with coverage of dynamics of electromechanical systems and incremental-motion electromechanical systems.
Download or read book Gamow Shell Model written by Nicolas Michel and published by Springer Nature. This book was released on 2021-04-24 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the first graduate-level, self-contained introduction to recent developments that lead to the formulation of the configuration-interaction approach for open quantum systems, the Gamow shell model, which provides a unitary description of quantum many-body system in different regimes of binding, and enables the unification in the description of nuclear structure and reactions. The Gamow shell model extends and generalizes the phenomenologically successful nuclear shell model to the domain of weakly-bound near-threshold states and resonances, offering a systematic tool to understand and categorize data on nuclear spectra, moments, collective excitations, particle and electromagnetic decays, clustering, elastic and inelastic scattering cross sections, and radiative capture cross sections of interest to astrophysics. The approach is of interest beyond nuclear physics and based on general properties of quasi-stationary solutions of the Schrödinger equation – so-called Gamow states. For the benefit of graduate students and newcomers to the field, the quantum-mechanical fundamentals are introduced in some detail. The text also provides a historical overview of how the field has evolved from the early days of the nuclear shell model to recent experimental developments, in both nuclear physics and related fields, supporting the unified description. The text contains many worked examples and several numerical codes are introduced to allow the reader to test different aspects of the continuum shell model discussed in the book.
Download or read book R D Laing written by Gavin Miller and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Miller traces Laing's tumultuous life and career, as he moved from the forefront of humane, and humanist, psychiatry to a position of notoriety. He explores the depth, validity, influence, and context (both national and international) of Laing's innovative, controversial work and his important influence on the "antipsychiatry movement." Later in life, Laing's personal and professional life suffered as he became an alcoholic, professionally unlicensed, and as disturbed, at times, as anyone he had ever treated.
