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Author : Yuan Gao
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (776 download)
Download or read book Study the Character of Rock Fracture Mode Using Acoustic Emission Technique written by Yuan Gao and published by . This book was released on 2011 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yu Zhao
Publisher : Springer Nature
ISBN 13 : 981975822X
Total Pages : 119 pages
Book Rating : 4.8/5 (197 download)
Download or read book Rock Fracture Mechanics and Fracture Criteria written by Yu Zhao and published by Springer Nature. This book was released on with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shuhong Wang
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (125 download)
Download or read book Fracture Behavior of Intact Rock Using Acoustic Emission written by Shuhong Wang and published by . This book was released on 2013 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is well known that acoustic emission (AE) is a powerful nondestructive testing tool for examining the behavior of materials deforming under stress. One can use it to monitor fracture or damage in a rock mass by listening to AE events during failure under compressive loads. In this paper, an experimental study on the AE source location in square cylinder granite specimens under uniaxial compression is reported. In order to determine the three-dimensional location of AE events, eight AE sensors were mounted on the specimen. The AE source location was determined via the acquisition of eight channel AE sensors after filtering, processing, reporting, and visualizing seismic data. On the basis of the laboratory experiment results, the granite sample was numerically simulated via the Burgers model using the discrete element program PFC2D (Particle Flow Code in Two Dimensions) to further study the mechanism of fracture initiation and propagation in intact rock. In PFC2D, materials may be modeled as either bonded (cemented) or unbonded (granular) assemblies of particles. It can describe nonlinear behavior and localization with accuracy that cannot be matched by typical finite element programs. The consistency of stress-strain curves obtained with PFC2D and with the test results shows that PFC2D is a practical tool for reproducing AE events in rock, and use of the Burgers model is feasible in the field of rock failure and provides an analysis of the microcracking activity inside the rock volume to predict rock fracture patterns under uniaxial loading conditions.
Author : M. V. M. S. Rao
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659001048
Total Pages : 180 pages
Book Rating : 4.0/5 (1 download)
Download or read book Acoustic Emission Signatures of Microcrack Damage in Rock written by M. V. M. S. Rao and published by LAP Lambert Academic Publishing. This book was released on 2012 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent decades, controlled laboratory experiments of rock fracture & friction, and monitoring and analyses of accompanying acoustic emissions (AE), and application of fractals to investigate the failure zone development and its growth in rock under simulated field conditions have become possible. This development has contributed more to the fracture mechanics research of rock as well as for better planning and execution of field experiments aimed at structural health monitoring, and forewarning and control of rock bursts in deep mines etc. Furthermore, the utilization of simpler and PC-based AE monitoring systems can yield fruitful results to detect, track, analyze and quantify the various stages of microcrack damage in rock as detailed in this monograph. Among various parameters, the occurrence rate of AE events and energy, b-values, cumulative energy counts and energy per event have been found to be more helpful to make a detailed study and quantify the stress-induced microcrack damage in rock. This monograph will be useful for active researchers, academicians, NDT professionals and graduate students of geological sciences and related engineering fields.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309049962
Total Pages : 568 pages
Book Rating : 4.3/5 (9 download)
Download or read book Rock Fractures and Fluid Flow written by National Research Council and published by National Academies Press. This book was released on 1996-08-27 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific understanding of fluid flow in rock fracturesâ€"a process underlying contemporary earth science problems from the search for petroleum to the controversy over nuclear waste storageâ€"has grown significantly in the past 20 years. This volume presents a comprehensive report on the state of the field, with an interdisciplinary viewpoint, case studies of fracture sites, illustrations, conclusions, and research recommendations. The book addresses these questions: How can fractures that are significant hydraulic conductors be identified, located, and characterized? How do flow and transport occur in fracture systems? How can changes in fracture systems be predicted and controlled? Among other topics, the committee provides a geomechanical understanding of fracture formation, reviews methods for detecting subsurface fractures, and looks at the use of hydraulic and tracer tests to investigate fluid flow. The volume examines the state of conceptual and mathematical modeling, and it provides a useful framework for understanding the complexity of fracture changes that occur during fluid pumping and other engineering practices. With a practical and multidisciplinary outlook, this volume will be welcomed by geologists, petroleum geologists, geoengineers, geophysicists, hydrologists, researchers, educators and students in these fields, and public officials involved in geological projects.
Author : Antonio A. Munjiza
Publisher : John Wiley & Sons
ISBN 13 : 0470020172
Total Pages : 348 pages
Book Rating : 4.4/5 (7 download)
Download or read book The Combined Finite-Discrete Element Method written by Antonio A. Munjiza and published by John Wiley & Sons. This book was released on 2004-04-21 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: The combined finite discrete element method is a relatively new computational tool aimed at problems involving static and / or dynamic behaviour of systems involving a large number of solid deformable bodies. Such problems include fragmentation using explosives (e.g rock blasting), impacts, demolition (collapsing buildings), blast loads, digging and loading processes, and powder technology. The combined finite-discrete element method - a natural extension of both discrete and finite element methods - allows researchers to model problems involving the deformability of either one solid body, a large number of bodies, or a solid body which fragments (e.g. in rock blasting applications a more or less intact rock mass is transformed into a pile of solid rock fragments of different sizes, which interact with each other). The topic is gaining in importance, and is at the forefront of some of the current efforts in computational modeling of the failure of solids. * Accompanying source codes plus input and output files available on the Internet * Important applications such as mining engineering, rock blasting and petroleum engineering * Includes practical examples of applications areas Essential reading for postgraduates, researchers and software engineers working in mechanical engineering.
Author : Barry Kean Atkinson
Publisher : Elsevier
ISBN 13 : 1483292746
Total Pages : 547 pages
Book Rating : 4.4/5 (832 download)
Download or read book Fracture Mechanics of Rock written by Barry Kean Atkinson and published by Elsevier. This book was released on 2015-05-11 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: The analysis of crack problems through fracture mechanics has been applied to the study of materials such as glass, metals and ceramics because relatively simple fracture criteria describe the failure of these materials. The increased attention paid to experimental rock fracture mechanics has led to major contributions to the solving of geophysical problems.The text presents a concise treatment of the physics and mathematics of a representative selection of problems from areas such as earthquake mechanics and prediction, hydraulic fracturing, hot dry rock geothermal energy, fault mechanics, and dynamic fragmentation.
Author : Jianchun Li
Publisher : CRC Press
ISBN 13 : 1000883175
Total Pages : 487 pages
Book Rating : 4.0/5 (8 download)
Download or read book Rock Dynamics: Progress and Prospect, Volume 1 written by Jianchun Li and published by CRC Press. This book was released on 2022-12-06 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rock Dynamics: Progress and Prospect contains 153 scientific and technical papers presented at the Fourth International Conference on Rock Dynamics and Applications (RocDyn-4, Xuzhou, China, 17-19 August 2022). The two-volume set has 7 sections. Volume 1 includes the first four sections with 6 keynotes and 5 young scholar plenary session papers, and contributions on analysis and theoretical development, and experimental testing and techniques. Volume 2 contains the remaining three sections with 74 papers on numerical modelling and methods, seismic and earthquake engineering, and rock excavation and engineering. Rock Dynamics: Progress and Prospect will serve as a reference on developments in rock dynamics scientific research and on rock dynamics engineering applications. The previous volumes in this series (RocDyn-1, RocDyn-2, and RocDyn-3) are also available via CRC Press.
Author :
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.3/5 (91 download)
Download or read book Journal of Acoustic Emission written by and published by . This book was released on 2000 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lianyang Zhang
Publisher : Springer
ISBN 13 : 9811301131
Total Pages : 422 pages
Book Rating : 4.8/5 (113 download)
Download or read book Proceedings of GeoShanghai 2018 International Conference: Rock Mechanics and Rock Engineering written by Lianyang Zhang and published by Springer. This book was released on 2018-05-10 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the third volume of the proceedings of the 4th GeoShanghai International Conference that was held on May 27 - 30, 2018. This volume, entitled “Rock Mechanics and Rock Engineering” , covers the recent advances and technologies in rock mechanics and rock engineering. These papers are grouped in three categories: (1) Theoretical and numerical study of rock behaviours, (2) Experimental study of rock behaviours, and (3) Applications of rock mechanics and case studies. This volume presents the state-of-the-art theories, methodologies and findings in the related areas. The book may benefit researchers and scientists from the academic fields of rock mechanics and rock engineering, geotechnical engineering, geoenvironmental engineering, transportation engineering, geology, mining and energy, as well as practical engineers from the 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.
Author : H. Kratzsch
Publisher : Springer Science & Business Media
ISBN 13 : 3642819230
Total Pages : 603 pages
Book Rating : 4.6/5 (428 download)
Download or read book Mining Subsidence Engineering written by H. Kratzsch and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 603 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book originally appeared in German in 1974, under the title "Bergschadenkunde" (mining subsidence engineering), and then in Russian in 1978, published by Nedra of Moscow. When the German edition was almost out of print, Springer-Verlag decided to bring out a new edition, this time in English. For this English version the text has been thoroughly revised, enlarged, and sup plemented by over 100 new figures. The book deals with the current state of international knowl edge on strata and ground movement over mine workings, with its damaging effects on mine shafts and the land surface, and with measures for regulating mining damage in law and reducing it in practice. Discussion begins with the mine excavation underground - the cause - and ends with the damage to surface structure- the effect. Methods of roof control, including the subject of rock bursts, are not discussed, since that is a field concerned more with the safety of underground workings than with minimizing damage at the surface. Of the 500 literature references in the German edi tion, only the more important for an international readership have been retained, but no value judgement on the many pUblica tions not mentioned should be read into this. The book is principally intended as a working aid for the mine surveyor, the mining engineer, the architect, and the civil engineer. For the student and the post-graduate researcher, it of fers a summary and guide to this whole field of knowledge.
Author : Hans-Peter Rossmanith
Publisher : Springer Science & Business Media
ISBN 13 : 9783211817476
Total Pages : 504 pages
Book Rating : 4.8/5 (174 download)
Download or read book Rock Fracture Mechanics written by Hans-Peter Rossmanith and published by Springer Science & Business Media. This book was released on 1983-10-21 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gyo-Won Kim
Publisher :
ISBN 13 :
Total Pages : 215 pages
Book Rating : 4.:/5 (251 download)
Download or read book Refinements of acoustic emission measurement to deduce three dimensional rock fracture source mechanisms written by Gyo-Won Kim and published by . This book was released on 1989 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kathleen P. Freeman
Publisher : CRC Press
ISBN 13 : 1138001228
Total Pages : 1340 pages
Book Rating : 4.1/5 (38 download)
Download or read book Veterinary Clinical Pathology written by Kathleen P. Freeman and published by CRC Press. This book was released on 2015-06-16 with total page 1340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Veterinary Clinical Pathology: A Case-Based Approach presents 200 cases with questions for those interested in improving their skills in veterinary clinical pathology. It emphasises an understanding of basic pathophysiologic mechanisms of disease, differential diagnoses and recognition of patterns associated with various diseases or conditions. Topics discussed include haematology, clinical chemistry, endocrinology, acid-base and blood gas analysis, haemostasis, urinalysis, biological variation and quality control. Species covered include the cat, dog and horse, with additional material on ruminants. Cases vary in difficulty, allowing beginners to improve their clinicopathologic skills while more complicated cases, or cases treating unfamiliar topics, are included for experienced readers. This book is a helpful revision aid for those in training as well as for those in practice who are pursuing continuing education. It is also a valuable resource for veterinary nurses and technicians.
Author :
Publisher :
ISBN 13 :
Total Pages : 852 pages
Book Rating : 4.3/5 (91 download)
Download or read book Materials Evaluation written by and published by . This book was released on 1992 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. S. Paterson
Publisher : Springer Science & Business Media
ISBN 13 : 3662117207
Total Pages : 267 pages
Book Rating : 4.6/5 (621 download)
Download or read book Experimental Rock Deformation - The Brittle Field written by M. S. Paterson and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph deals with the part of the field of ex-' perimental rock deformation that is dominated by the phenomena of brittle fracture on one scale or another. Thus a distinction has been drawn between the fields of brittle und ductile behaviour in rock, corresponding more or less to a distinction between the phenomena of fracture and flow. It is hoped eventually to present a survey of the ductile field in a separate volume. The last chapter of this volume deals with the transition between the two fields. The scope of this survey has been limited to the mec.hanical properties of rock viewed as a material on the laboratory scale. Thus, the topic and approach is of a "materials science" kind rather than of a "structures" kind. We are dealing with only one part of the wider field of rock mechanics, which also includes structural or boundary value problems, for example, those of the stability of slopes, the collapse of mine openings, earth quakes, the folding of stratified rock, and the convec tive motion of the earth's mantle. One topic thus ex cluded is the role of jointing, which it is commonly necessary to take into account in applications in engi neering and mining, and probably often in geology too.
Author : Zinoviy Nazarchuk
Publisher : Springer
ISBN 13 : 3319493507
Total Pages : 294 pages
Book Rating : 4.3/5 (194 download)
Download or read book Acoustic Emission written by Zinoviy Nazarchuk and published by Springer. This book was released on 2017-01-23 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph analyses in detail the physical aspects of the elastic waves radiation during deformation or fracture of materials. It presents the methodological bases for the practical use of acoustic emission device, and describes the results of theoretical and experimental researches of evaluation of the crack growth resistance of materials, selection of the useful AE signals. The efficiency of this methodology is shown through the diagnostics of various-purpose industrial objects. The authors obtain results of experimental researches with the help of the new methods and facilities.
