This advanced and graduate-level text and self-tutorial teaches readers to understand and to apply analytical design principles across the breadth of the engineering sciences. Emphasizing fundamentals, the book addresses the stability of key engineering elements such as rigid-body assemblage, beam-column, beam, rigid frame, thin plate, arch, ring, and shell. Each chapter contains numerous worked-out problems that clarify practical application and aid comprehension of the basics of stability theory, plus end-of-chapter review exercises. Others key features are the citing and comparison of different national building standards, use of non-dimensional parameters, and many tables with much practical data and simplified formula, that enable readers to use them in the design of structural components. First six chapters most suitable for undergraduate-level study and remaining chapters for graduate-level courses.
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- Presents concepts, methods and techniques to examine symptoms of faults and failures of structures, systems and components and to monitor functional performance and structural integrity;
- Integrates knowledge of basic sciences and engineering disciplines with contributions from research institutions, academy, and industry;
- Written by a team of internationally known experts in the field;
This book presents concepts, methods and techniques to examine symptoms of faults and failures of structures, systems and components and to monitor functional performance and structural integrity. The book is organized in five parts. Part A introduces the scope and application of technical diagnostics and gives a comprehensive overview of the physics of failure. Part B presents all relevant methods and techniques for diagnostics and monitoring: from stress, strain, vibration analysis, nondestructive evaluation, thermography and industrial radiology to computed tomography and subsurface microstructural analysis. Part C cores the principles and concepts of technical failure analysis, illustrates case studies, and outlines machinery diagnostics with an emphasis on tribological systems. Part D describes the application of structural health monitoring and performance control to plants and the technical infrastructure, including buildings, bridges, pipelines, electric power stations, offshore wind structures, and railway systems. And finally, Part E is an excursion on diagnostics in arts and culture. The book integrates knowledge of basic sciences and engineering disciplines with contributions from research institutions, academe, and industry, written by internationally known experts from various parts of the world, including Europe, Canada, India, Japan, and USA.
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Computational Plasticity with Emphasis on the Application of the Unified Strength Theory” explores a new and important branch of computational mechanics and is the third book in a plasticity series published by Springer. The other two are: Generalized Plasticity, Springer: Berlin, 2006; and Structural Plasticity, Springer and Zhejiang University Press: Hangzhou, 2009. This monograph describes the unified strength theory and associated flow rule, the implementation of these basic theories in computational programs, and shows how a series of results can be obtained by using them. The unified strength theory has been implemented in several special nonlinear finite-element programs and commercial Finite Element Codes by individual users and corporations. Many new and interesting findings for beams, plates, underground caves, excavations, strip foundations, circular foundations, slop, underground structures of hydraulic power stations, pumped-storage power stations, underground mining, high-velocity penetration of concrete structures, ancient structures, and rocket components, along with relevant computational results, are presented. This book is intended for graduate students, researchers and engineers working in solid mechanics, engineering and materials science. The theories and methods provided in this book can also be used for other computer codes and different structures. More results can be obtained, which put the potential strength of the material to better use, thus offering material-saving and energy-saving solutions
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Abstract: A numerical study is presented on the kinematic response of groups of floating piles connected through rigid massless caps and subjected to vertically-propagating harmonic S waves. Pile-soil and pile-pile interaction effects are modeled rigorously. Parametric results for the effective seismic input motion at the pile cap, normalized by the free-field ground-surface motion, are displayed in dimensionless form for a number of typical pile-group configurations, in three idealized soil profiles. Pile-head fixity conditions and the pile/soil modulus ratio are found to affect the seismic response of both single piles and pile groups. The presented results can be utilized in assessing the influence of piles on the effective seismic excitation at the base of a structure.
- Unique approach to the subject
- One-stop resource
- With practical applications
The subject of mechanical behavior has been in the front line of basic studies in engineering curricula for many years. This textbook was written for engineering students with the aim of presenting, in a relatively simple manner, the basic concepts of mechanical behavior in solid materials. A second aim of the book is to guide students in their laboratory experiments by helping them to understand their observations in parallel with the lectures of their various courses; therefore the first chapter of the book is devoted to mechanical testing. Another aim of the book is to provide practicing engineers with basic help to bridge the gap of time that has passed from their graduation up to their actual involvement in engineering work.
The book also serves as the basis for more advanced studies and seminars when pursuing courses on a graduate level.
The content of this textbook and the topics discussed correspond to courses that are usually taught in universities and colleges all over the world, but with a different and more modern approach. It is however unique by the inclusion of an extensive chapter on mechanical behavior in the micron and submicron/nanometer range. Mechanical deformation phenomena are explained and often related to the presence of dislocations in structures. Many practical illustrations are provided representing various observations encountered in actual structures of particularly technical significance. A comprehensive list of references at the end of each chapter is included to provide a broad basis for further studying the subject.
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Posted by: maxpn3 - 05-25-2013, 05:04 AM - Forum: Archive
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Code Name: C418-12 Standard Test Method for Abrasion Resistance of Concrete by Sandblasting
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Three-Dimensional Responses of a Tied-Back Excavation through Clay
Author: Richard J. Finno and Jill F. Roboski | Size: 755 KB | Format:PDF | Quality:Unspecified | Publisher: ASCE | Year: 2005 | pages: 10
The three-dimensional ground deformations measured during construction of a 12.8 m deep tiedback excavation in Chicago are presented. The excavation was supported by a PZ-27 sheet pile wall and three levels of regroutable ground anchors. The excavation was made through granular soils into soft to medium stiff clays. Extensive field performance data were collected including lateral and vertical optical survey data and lateral inclinometer data. Construction procedures are summarized and correlated with monitoring data. The three dimensional pattern of ground surface deformations around the excavation is summarized. A performance-based relation to estimate the maximum horizontal ground movements for flexible wall systems as a function of factor of safety against basal heave and excavation depth is proposed. An empirical approach to estimate the distribution of ground movements parallel to a supported wall is presented.
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Contributions to static and seismic analysis of piles and pile-supported bridge piers
Author: George Mylonakis | Size: 7.7 MB | Format:PDF | Quality:Unspecified | Publisher: State University of New York at Buffalo | Year: 1995 | pages: 312
A number of solutions are presented for the static, dynamic, and seismic response
of single piles, pile groups, and pilewgroup-supported bridge piers, on homogeneous and
layered soil deposits. Vertical, horizonta~ and moment loading are considered, and results
are presented in terms of both analytical closed-form expressions and
numerically-evaluated graphs. The seismic analysis considers both the kinematic and
inertial interaction, in the frequency as well as the time domains, with the excitation
properly specified through the acceleration at the surface ofthe "rock" outcrop.
The developed methods make use of certain physically-motivated simplifications
regarding the wave fields around an oscillating pile and the interplay of such fields with
other piles. Thus diffraction of the incident seismic waves by a pile and of the
pile--generated waves by other piles is represented in a realistic, although simplified, way.
The accuracy of the developed methods is systematically checked against available
solutions from the literature, as well as against a few field measurements.
The new developments in this dissertation include : (i) the presentation of solutions
for pile-to-pile interaction in multi-layered soil, and the demonstration of the profound
effect of soil layering on this interaction; (ii) the recognition and presentation of numerical
and analytical results for the "additional distress" on a pile from the waves emanating
from the neighboring piles; and (iii) the evaluation of certain popular approximations in
soil-structure-interaction analyses as performed in practice, such as ignoring the kinematic
response, ignoring the various types of radiation damping, assuming frequency-
independent stiffuesses, and artificially restricting pile--cap rotation.
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Article/eBook Full Name: Contributions to static and seismic analysis of piles and pile-supported bridge piers
Author(s): George Mylonakis
Edition: n/a
Publish Date: 1995
ISBN: n/a
Published By: State University of New York at Buffalo
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