Applications Of Fracture Mechanics To Reinforced Concrete
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Fracture Mechanics Of Concrete
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Author : Surendra P. Shah
language : en
Publisher: John Wiley & Sons
Release Date : 1995-09-28
Fracture Mechanics Of Concrete written by Surendra P. Shah and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-09-28 with Technology & Engineering categories.
FRACTURE MECHANICS OF CONCRETE AND ROCK This book offers engineers a unique opportunity to learn, frominternationally recognized leaders in their field, about the latesttheoretical advances in fracture mechanics in concrete, reinforcedconcrete structures, and rock. At the same time, it functions as asuperb, graduate-level introduction to fracture mechanics conceptsand analytical techniques. Reviews, in depth, the basic theory behind fracture mechanics * Covers the application of fracture mechanics to compressionfailure, creep, fatigue, torsion, and other advanced topics * Extremely well researched, applies experimental evidence ofdamage to a wide range of design cases * Supplies all relevant formulas for stress intensity * Covers state-of-the-art linear elastic fracture mechanics (LEFM)techniques for analyzing deformations and cracking * Describes nonlinear fracture mechanics (NLFM) and the latestRILEM modeling techniques for testing nonlinear quasi-brittlematerials * And much more Over the past few years, researchers employing techniques borrowedfrom fracture mechanics have made many groundbreaking discoveriesconcerning the causes and effects of cracking, damage, andfractures of plain and reinforced concrete structures and rock.This, in turn, has resulted in the further development andrefinement of fracture mechanics concepts and tools. Yet, despitethe field's growth and the growing conviction that fracturemechanics is indispensable to an understanding of material andstructural failure, there continues to be a surprising shortage oftextbooks and professional references on the subject. Written by two of the foremost names in the field, FractureMechanics of Concrete fills that gap. The most comprehensive bookever written on the subject, it consolidates the latest theoreticalresearch from around the world in a single reference that can beused by students and professionals alike. Fracture Mechanics of Concrete is divided into two sections. In thefirst, the authors lay the necessary groundwork with an in-depthreview of fundamental principles. In the second section, theauthors vividly demonstrate how fracture mechanics has beensuccessfully applied to failures occurring in a wide array ofdesign cases. Key topics covered in these sections include: * State-of-the-art linear elastic fracture mechanics (LEFM)techniques for analyzing deformations and cracking * Nonlinear fracture mechanics (NLFM) and the latest RILEM modelingtechniques for testing nonlinear quasi-brittle materials * The use of R-Curves to describe cracking and fracture inquasi-brittle materials * The application of fracture mechanics to compression failure,creep, fatigue, torsion, and other advanced topics The most timely, comprehensive, and authoritative book on thesubject currently available, Fracture Mechanics of Concrete is botha complete instructional tool for academics and students instructural and geotechnical engineering courses, and anindispensable working resource for practicing engineers.
Applications Of Fracture Mechanics To Reinforced Concrete
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Author : Alberto Carpinteri
language : en
Publisher: CRC Press
Release Date : 2018-10-08
Applications Of Fracture Mechanics To Reinforced Concrete written by Alberto Carpinteri and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-08 with Architecture categories.
Emphazises the most recent advances in fracture mechanics as specifically applied to steel bar reinforced concrete. Extensive expert opinions in four selected areas: size effects; anchorage and bond; minimum reinforcement for elements in flexure; and shear resistance. Logically addresses themes and demonstrate the unique ability of fracture mechanics to capture all the experimentally observed characteristics.
Application Of Fracture Mechanics To Cementitious Composites
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Author : S.P. Shah
language : en
Publisher: Springer Science & Business Media
Release Date : 1985-08-31
Application Of Fracture Mechanics To Cementitious Composites written by S.P. Shah and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985-08-31 with Science categories.
Portland cement concrete is a relatively brittle material. As a result, mechanical behavior of concrete, conventionally reinforced concrete, prestressed concrete, and fiber reinforced concrete is critically influenced by crack propagation. It is, thus, not surprising that attempts are being made to apply the concepts of fracture mechanics to quantify the resistance to cracking in cementious composites. The field of fracture mechanics originated in the 1920's with A. A. Griffith's work on fracture of brittle materials such as glass. Its most significant applications, however, have been for controlling brittle fracture and fatigue failure of metallic structures such as pressure vessels, airplanes, ships and pipe lines. Considerable development has occurred in the last twenty years in modifying Griffith's ideas or in proposing new concepts to account for the ductility typical of metals. As a result of these efforts, standard testing techniques have been available to obtain fracture parameters for metals, and design based on these parameters are included in relevant specifications. Many attempts have been made, in the last two decades or so, to apply the fracture mechanics concepts to cement, mortar, con crete and reinforced concrete. So far, these attempts have not led to a unique set of material parameters which can quantify the resistance of these cementitious composites to fracture. No standard testing methods and a generally accepted theoretical analysis are established for concrete as they are for metals.
Application Of Fracture Mechanics To Cementitious Composites
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Author : S.P. Shah
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Application Of Fracture Mechanics To Cementitious Composites written by S.P. Shah and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Portland cement concrete is a relatively brittle material. As a result, mechanical behavior of concrete, conventionally reinforced concrete, prestressed concrete, and fiber reinforced concrete is critically influenced by crack propagation. It is, thus, not surprising that attempts are being made to apply the concepts of fracture mechanics to quantify the resistance to cracking in cementious composites. The field of fracture mechanics originated in the 1920's with A. A. Griffith's work on fracture of brittle materials such as glass. Its most significant applications, however, have been for controlling brittle fracture and fatigue failure of metallic structures such as pressure vessels, airplanes, ships and pipe lines. Considerable development has occurred in the last twenty years in modifying Griffith's ideas or in proposing new concepts to account for the ductility typical of metals. As a result of these efforts, standard testing techniques have been available to obtain fracture parameters for metals, and design based on these parameters are included in relevant specifications. Many attempts have been made, in the last two decades or so, to apply the fracture mechanics concepts to cement, mortar, con crete and reinforced concrete. So far, these attempts have not led to a unique set of material parameters which can quantify the resistance of these cementitious composites to fracture. No standard testing methods and a generally accepted theoretical analysis are established for concrete as they are for metals.
Fracture Mechanics Of Concrete Structural Application And Numerical Calculation
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Author : George C. Sih
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Fracture Mechanics Of Concrete Structural Application And Numerical Calculation written by George C. Sih and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Concrete has traditionally been known as a material used widely in the construction of roads, bridges and buildings. Since cost effectiveness has always been one of the more important aspects of design, concrete, when reinforced and/or prestressed, is finding more use in other areas of application such as floating marine structures, storage tanks, nuclear vessel containments and a host of other structures. Because of the demand for concrete to operate under different loading and environmen tal conditions, increasing attention has been paid to study concrete specimens and structure behavior. A subject of major concern is how the localized segregation of the constituents in concrete would affect its global behavior. The degree of nonhomogeneity due to material property and damage. by yielding and/or cracking depends on the size scale and loading rate under consideration. Segregation or clustering of aggregates at the macroscopic level will affect specimen behavior to a larger degree than it would to a large structure such as a dam. Hence, a knowledge of concrete behavior over a wide range of scale is desired. The parameters governing micro-and macro-cracking and the techniques for evaluating and observing the damage in concrete need to be better understood. This volume is intended to be an attempt in this direction. The application of Linear Elastic Fracture Mechanics to concrete is discussed in several of the chapters.
Concrete Fracture Models And Applications
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Author : Shailendra Kumar
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-02-08
Concrete Fracture Models And Applications written by Shailendra Kumar and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-02-08 with Technology & Engineering categories.
Cementitious materials, rocks and fibre-reinforced composites commonly termed as quasibrittle, need a different fracture mechanics approach to model the crack propagation study because of the presence of significant size of fracture process zone ahead of the crack-tip. Recent studies show that concrete structures manifest three important stages in fracture process: crack initiation, stable crack propagation and unstable fracture or failure. Fracture Mechanics concept can better explain the above various stages including the concepts of ductility, size-effect, strain softening and post-cracking behavior of concrete and concrete structures. The book presents a basic introduction on the various nonlinear concrete fracture models considering the respective fracture parameters. To this end, a thorough state-of-the-art review on various aspects of the material behavior and development of different concrete fracture models is presented. The development of cohesive crack model for standard test geometries using commonly used softening functions is shown and extensive studies on the behavior of cohesive crack fracture parameters are also carried out. The subsequent chapter contains the extensive study on the double-K and double-G fracture parameters in which some recent developments on the related fracture parameters are illustrated including introduction of weight function method to Double-K Fracture Model and formulization of size-effect behavior of the double-K fracture parameters. The application of weight function approach for determining of the KR-curve associated with cohesive stress distribution in the fracture process zone is also presented. Available test data are used to validate the new approach. Further, effect of specimen geometry, loading condition, size-effect and softening function on various fracture parameters is investigated. Towards the end, a comparative study between different fracture parameters obtained from various models is presented.
Fracture Mechanics Of Concrete Structures
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Author : Folker H. Wittmann
language : en
Publisher:
Release Date : 1995
Fracture Mechanics Of Concrete Structures written by Folker H. Wittmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Concrete categories.
Quasibrittle Fracture Mechanics And Size Effect
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Author : Z. P. Bažant
language : en
Publisher: Oxford University Press
Release Date : 2021-11-19
Quasibrittle Fracture Mechanics And Size Effect written by Z. P. Bažant and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-19 with Science categories.
Designed for graduate and upper-level undergraduate university courses, this book provides a comprehensive treatment of quasibrittle fracture mechanics, including its practical applications across a range of materials and engineering structures, and features exercises and problems to test understanding.
Fracture Mechanics And Structural Concrete
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Author : B. L. Karihaloo
language : en
Publisher: Longman Publishing Group
Release Date : 1995-01
Fracture Mechanics And Structural Concrete written by B. L. Karihaloo and has been published by Longman Publishing Group this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-01 with Concrete categories.
The use of fracture mechanics in resolving problems in the design of concrete structures is becoming more widely accepted and utilized as current codes cannot always be applied satisfactorily to design conditions. There is wide-ranging technical literature available on the subject but to date there is no readily accessible and systematic source to meet the needs of present practitioners and future designers. Fracture Mechanics and Structural Concrete addresses this need. The book provides a simple and straightforward study of fracture mechanics relating to concrete design and promotes its usage by highlighting the shortcomings of current design codes. It explains how fracture mechanics can overcome certain design problems, such as minimum reinforcement, punching shear failure and the influence of structural size upon shear capacity. Professional engineers, researchers and academics will find Fracture Mechanics and Structural Concrete an essential introduction to the subject. It will also be useful to postgraduate and final-year undergraduate students of civil engineering.
Acoustic Emission And Related Non Destructive Evaluation Techniques In The Fracture Mechanics Of Concrete
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Author : Masayasu Ohtsu
language : en
Publisher: Woodhead Publishing
Release Date : 2015-03-28
Acoustic Emission And Related Non Destructive Evaluation Techniques In The Fracture Mechanics Of Concrete written by Masayasu Ohtsu and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-28 with Technology & Engineering categories.
The development of NDT (non-destructive testing) techniques used for the inspection of concrete structures is currently in high demand, because many existing structures have become aged and deteriorated in service. In order to formulate predictions on their stability and to estimate their safety, it is necessary to identify damage signals and to determine their causes. In this regard, the development and establishment of innovative and highly advanced non-destructive methods are required. Acoustic Emission (AE) and related NDE (non-destructive evaluation) techniques have been extensively used to determine crack detection and damage evaluation in concrete. With the move towards a more sustainable society, and the need to extend the long-term service life of infrastructure and aging and disastrous damage due to recent earthquakes, Acoustic Emission (AE) and Related Non-destructive Evaluation (NDE) Techniques in the Fracture Mechanics of Concrete: Fundamentals and Applications is a critical reference source for civil engineers, contractors working in construction and materials scientists working both in industry and academia. - Presents innovative Acoustic Emission (AE) and related non-destructive evaluation (NDE) techniques, used for damage detection and inspection of aged and deteriorated concrete structures - Contributions from recognized world-leaders in the application of acoustic emission (AE) and NDE techniques used for the damage assessment of concrete and concrete structures - With the move towards a more sustainable society, and the need to extend the long-term service life of infrastructure and damage due to recent earthquakes, this book is of critical importance - An essential knowledge resource for civil engineers, contractors working in construction and materials scientists working both in industry and academia