Appeals to the Student and the Seasoned Professional
While the analysis of a civil-engineering structure typically seeks to quantify static effects (stresses and strains), there are some aspects that require considerations of vibration and dynamic behavior. Vibration Analysis and Structural Dynamics for Civil Engineers: Essentials and Group-Theoretic Formulations is relevant to instances that involve significant time-varying effects, including impact and sudden movement. It explains the basic theory to undergraduate and graduate students taking courses on vibration and dynamics, and also presents an original approach for the vibration analysis of symmetric systems, for both researchers and practicing engineers. Divided into two parts, it first covers the fundamentals of the vibration of engineering systems, and later addresses how symmetry affects vibration behavior.
Part I treats the modeling of discrete single and multi-degree-of-freedom systems, as well as mathematical formulations for continuous systems, both analytical and numerical. It also features some worked examples and tutorial problems. Part II introduces the mathematical concepts of group theory and symmetry groups, and applies these to the vibration of a diverse range of problems in structural mechanics. It reveals the computational benefits of the group-theoretic approach, and sheds new insights on complex vibration phenomena.
The book consists of 11 chapters with topics that include:
• The vibration of discrete systems or lumped parameter models
• The free and forced response of single degree-of-freedom systems
• The vibration of systems with multiple degrees of freedom
• The vibration of continuous systems (strings, rods and beams)
• The essentials of finite-element vibration modelling
• Symmetry considerations and an outline of group and representation theories
• Applications of group theory to the vibration of linear mechanical systems
• Applications of group theory to the vibration of structural grids and cable nets
• Group-theoretic finite-element and finite-difference formulations
Vibration Analysis and Structural Dynamics for Civil Engineers: Essentials and Group-Theoretic Formulations acquaints students with the fundamentals of vibration theory, informs experienced structural practitioners on simple and effective techniques for vibration modelling, and provides researchers with new directions for the development of computational vibration procedures.
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Incorporating new topics and original material, Introduction to Finite and Spectral Element Methods Using MATLAB®, Second Edition enables readers to quickly understand the theoretical foundation and practical implementation of the finite element method and its companion spectral element method. Readers gain hands-on computational experience by using the free online FSELIB library of MATLAB® functions and codes. With the book as a user guide, readers can immediately run the codes and graphically display solutions to a variety of elementary and advanced problems.
New to the Second Edition
• Two new chapters with updated material
• Updated detailed proofs and original derivations
• New schematic illustrations and graphs
• Additional solved problems
• Updated MATLAB software, including improved and new computer functions as well as complete finite element codes incorporating domain discretization modules in three dimensions
Suitable for self-study or as a textbook in various science and engineering courses, this self-contained book introduces the fundamentals on a need-to-know basis and emphasizes the development of algorithms and the computer implementation of essential procedures. The text first explains basic concepts and develops the algorithms before addressing problems in solid mechanics, fluid mechanics, and structural mechanics.
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Highway Engineering: Pavements, Materials and Control of Quality covers the basic principles of pavement management, highlights recent advancements, and details the latest industry standards and techniques in the global market. Utilizing the author’s more than 30 years of teaching, researching, and consulting experience, this text focuses on the design, construction, maintenance, and management of pavements for roads and highways, and covers the main topics in highway engineering. The author integrates pavement materials, material testing for acceptability and quality assurance, asphalt mix design, flexible and rigid pavement design, construction, maintenance and strengthening procedures, quality control of production and acceptance of asphalts, pavement evaluation, asphalt plants, and pavement recycling. He also includes both European and American (ASTM and AASHTO) standards and practice, and is extensively illustrated with references, tables, graphs, charts, and photographs.
The book contains 18 chapters that cover:
Soils for roadworks
Aggregates for unbound, hydraulically bound materials, and bituminous mixtures
Bitumen and bituminous binders
Laboratory tests and properties of paving bitumen and bitumen emulsion
Hot and cold bituminous mixtures
Fundamental mechanical properties of bituminous mixtures and testing
Production, transportation, laying, and compaction of bituminous mixtures
Quality control and acceptance of bituminous mixtures
Methods for determining stresses and strains in pavements
Pavement design and construction
Thickness design methodologies for flexible and rigid pavements
Pavement maintenance
Rehabilitation and strengthening
Pavement evaluation
Equipment for measuring surface and structural characteristics
Pavement management
Pavement recycling
Written for civil engineering students and engineers engaged in highway projects or laboratory testing, Highway Engineering: Pavements, Materials and Control of Quality covers pavement engineering comprehensively as a textbook for undergraduates and graduates, and a valuable reference for practicing professionals.
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Developed with stress analysts handling multidisciplinary subjects in mind, and written to provide the theories needed for problem solving and stress analysis on structural systems, Essentials of Mechanical Stress Analysis presents a variety of relevant topics—normally offered as individual course topics—that are crucial for carrying out the analysis of structures. This work explores concepts through both theory and numerical examples, and covers the analytical and numerical approaches to stress analysis, as well as isotropic, metallic, and orthotropic composite material analyses.
Comprised of 13 chapters, this must-have resource:
Establishes the fundamentals of material behavior required for understanding the concepts of stress analysis
Defines stress and strain, and elaborates on the basic concepts exposing the relationship between the two
Discusses topics related to contact stresses and pressure vessels
Introduces the different failure criteria and margins of safety calculations for ductile and brittle materials
Illustrates beam analysis theory under various types of loading
Introduces plate analysis theory
Addresses elastic instability and the buckling of columns and plates
Demonstrates the concept of fatigue and stress to life-cycle calculations
Explores the application of energy methods for determining deflection and stresses of structural systems
Highlights the numerical methods and finite element techniques most commonly used for the calculation of stress
Presents stress analysis methods for composite laminates
Explains fastener and joint connection analysis theory
Provides MathCAD® sample simulation codes that can be used for fast and reliable stress analysis
Essentials of Mechanical Stress Analysis is a quintessential guide detailing topics related to stress and structural analysis for practicing stress analysts in mechanical, aerospace, civil, and materials engineering fields and serves as a reference for higher-level undergraduates and graduate students.
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Structural Analysis: Principles, Methods and Modelling outlines the fundamentals involved in analyzing engineering structures, and effectively presents the derivations used for analytical and numerical formulations. This text explains practical and relevant concepts, and lays down the foundation for a solid mathematical background that incorporates MATLAB® (no prior knowledge of MATLAB is necessary), and includes numerous worked examples.
Effectively Analyze Engineering Structures
Divided into four parts, the text focuses on the analysis of statically determinate structures. It evaluates basic concepts and procedures, examines the classical methods for the analysis of statically indeterminate structures, and explores the stiffness method of analysis that reinforces most computer applications and commercially available structural analysis software. In addition, it covers advanced topics that include the finite element method, structural stability, and problems involving material nonlinearity.
MATLAB® files for selected worked examples are available from the book’s website. Resources available from CRC Press for lecturers adopting the book include:
A solutions manual for all the problems posed in the book
Nearly 2000 PowerPoint presentations suitable for use in lectures for each chapter in the book
Revision videos of selected lectures with added narration
Figure slides
Structural Analysis: Principles, Methods and Modelling exposes civil and structural engineering undergraduates to the essentials of structural analysis, and serves as a resource for students and practicing professionals in solving a range of engineering problems.
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Solve Complex Ground and Foundation Problems
Presenting more than 25 years of teaching and working experience in a wide variety of centrifuge testing, the author of Centrifuge Modelling for Civil Engineers fills a need for information about this field. This text covers all aspects of centrifuge modelling. Expertly explaining the basic principles, the book makes this technique accessible to practicing engineers and researchers.
Appeals to Non-Specialists and Specialists Alike
Civil engineers that are new to the industry can refer to this material to solve complex geotechnical problems. The book outlines a generalized design process employed for civil engineering projects. It begins with the basics, and then moves on to increasingly complex methods and applications including shallow foundations, retaining walls, pile foundations, tunnelling beneath existing pile foundations, and assessing the stability of buildings and their foundations following earthquake-induced soil liquefaction. It addresses the use of modern imaging technique, data acquisition, and modelling techniques. It explains the necessary signal processing tools that are used to decipher centrifuge test data, and introduces the reader to the specialist aspects of dynamic centrifuge modelling used to study dynamic problems such as blast, wind, or wave loading with emphasis on earthquake engineering including soil liquefaction problems.
• Introduces the equipment and instrumentation used in centrifuge testing
• Presents in detail signal processing techniques such as smoothing and filtering
• Provides example centrifuge data that can be used for sample analysis and interpretation
Centrifuge Modelling for Civil Engineers effectively describes the equipment, instrumentation, and signal processing techniques required to make the best use of the centrifuge modelling and test data. This text benefits graduate students, researchers, and practicing civil engineers involved with geotechnical issues.
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"Machu Picchu: A Civil Engineering Marvel" takes readers inside the Lost City of the Incas for a groundbreaking perspective never before seen by tourists or archeologists. Built high in the Andes on a seemingly impossible site, Machu Picchu stands as a testament to Early Native Americans and their ability to plan and build. How was it possible to create a mountain-top city complete with running water, drainage systems, food production, and stone structures so advanced they have endured for over 500 years? Authors Kenneth R. Wright and Alfredo Valencia Zegarra explain these and other mysteries, based on their original engineering and scientific research. A fascinating book, "Machu Picchu: A Civil Engineering Marvel" is a must-have for civil engineers, archeologists, armchair travelers, and tourists alike. An illustrated walking guide and detailed map allow readers to become familiar with each building and pathway, and numerous photographs take readers on a breathtaking pictorial adventure.
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Collection of Dipl. Ing. Prf. Anton Schleiss on the Design of Pressurized Tunnels and Shafts Liners
Author: Anton Chleiss et al. | Size: 33 MB | Format:PDF | Quality:Scanner | Publisher: Various | Year: Various | pages: n.a. | ISBN: n.a.
The present sets of papers constitutes a comprehensive synopsis of the works of Dipl. Ing. Prof. Anton Schleiss in the field of the design of pressurized shafts and tunnels liners applied to the constructio of large hydropower schemes for both universities and the design firm Electrowatt Infra now incorporated in te Jakko Poyri group.
The core of Prof. Schleiss' work was developed between the end of the 70's and the beginning of the 90's although the conclusions hereby provided can still be considered the leading edge in this field.
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Author: H. Duddeck, J. Erdmann | Size: 1.96 MB | Format:PDF | Quality:Scanner | Publisher: Braunschweig University | Year: 1982 | pages: 9 | ISBN: n.a.
The ITA working group on structural design models for tunnelling will publish in 1982 the replies to a questionnaire in synopsis form. In continuation of that work thè results of an investigation imo thè most common design models for soft ground tunnels are given by way of a comparative review of progress to date in this field. The main differences in the assumptions with regard to the different models are stated. Diagrams for thè hoop forces, bending moments and radial displacements illustrate the differences in the design values evaluated for three different models — the continuum model, the Muir Wood design molivi and the bedded beam model without bedding at the crown region. A comparison with free parameters necessitates analytical solutions, so only circular crosssections are investigated. Nevertheless, the results of the investigation may also be valid for non-circular crosssections and more refined numerica! analyses. There is a trend towards agreement on thè basic assumptions and on thè design model in regard to both shallow and deep tunnels.
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Integration of geotechnical and structural Design in Tunnelling
Author: E. Hoek, C. Carranza Torres, M. Diederichs | Size: 168 MB | Format:PDF | Quality:Unspecified | Publisher: University of Minnesota | Year: 2008 | pages: 7 | ISBN: n.a.
In a typical tunnel design in which support consists of steel sets embedded in shotcrete, the designer needs to know the contribution of each of these support elements and to be able to adjust the number and dimensions of each to accommodate the loads imposed on the lining.
In current tunnel design, these loads are obtained from numerical analyses in which “beam elements” are attached to the tunnel boundary and the axial thrust, bending moments and shear forces induced in these elements are computed directly.
Note that these beam elements constitute “tunnel support” and they interact with the surrounding rock mass to limit the convergence of the tunnel. On the other hand, rockbolts
act as “tunnel reinforcement” in that they change the mechanical properties of the rock mass surrounding the tunnel. Hence, it is possible to carry out a numerical analysis of a tunnel reinforced by means of rockbolts and supported by means of a composite lining. The loads imposed on the lining will be reduced by the reinforcement and the composite lining will respond to these reduced loads. The analysis that follows is valid whether rockbolts are present or not, provided that the numerical analysis correctly models the load transfer from the rock mass onto the lining.
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Includes Excel spreadsheet for the design of a composite tunnel lining after the determination of the internal actions values to be seperately carried out by means of close-form solutions or numerical methods-based techniques.
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