January 23, 2021

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Toughening Mechanisms in Quasi-Brittle Materials

Toughening Mechanisms in Quasi-Brittle Materials
Author : S.P. Shah
Publisher : Springer Science & Business Media
Release Date : 2012-12-06
Category : Science
Total pages :612
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A variety of ceramic materials has been recently shown to exhibit nonlinear stress strain behavior. These materials include transformation-toughened zirconia which undergoes a stress-induced crystallographic transformation in the vicinity of a propagating crack, microcracking ceramics, and ceramic-fiber reinforced ceramic matrices. Since many of these materials are under consideration for structural applications, understanding fracture in these quasi-brittle materials is essential. 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. Crack propagation in concrete is characterized by a fracture process zone, microcracking, and aggregate bridging. Such phenomena give concrete toughening mechanisms, and as a result, the macroscopic response of concrete can be characterized as that of a quasi-brittle material. To design super high performance cement composites, it is essential to understand the complex fracture processes in concrete. A wide range of concern in design involves fracture in rock masses and rock structures. For example, prediction of the extension or initiation of fracture is important in: 1) the design of caverns (such as underground nuclear waste isolation) subjected to earthquake shaking or explosions, 2) the production of geothermal and petroleum energy, and 3) predicting and monitoring earthquakes. Depending upon the grain size and mineralogical composition, rock may also exhibit characteristics of quasi-brittle materials.

Fracture and Size Effect in Concrete and Other Quasibrittle Materials

Fracture and Size Effect in Concrete and Other Quasibrittle Materials
Author : Zdenek P. Bazant
Publisher : Routledge
Release Date : 2019-03-04
Category : Technology & Engineering
Total pages :640
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Fracture and Size Effect in Concrete and Other Quasibrittle Materials is the first in-depth text on the application of fracture mechanics to the analysis of failure in concrete structures. The book synthesizes a vast number of recent research results in the literature to provide a comprehensive treatment of the topic that does not give merely the facts - it provides true understanding. The many recent results on quasibrittle fracture and size effect, which were scattered throughout many periodicals, are compiled here in a single volume. This book presents a well-rounded discussion of the theory of size effect and scaling of failure loads in structures. The size effect, which is the most important practical manifestation of fracture behavior, has become a hot topic. It has gained prominence in current research on concrete and quasibrittle materials. The treatment of every subject in Fracture and Size Effect in Concrete and Other Quasibrittle Materials proceeds from simple to complex, from specialized to general, and is as concise as possible using the simplest level of mathematics necessary to treat the subject clearly and accurately. Whether you are an engineering student or a practicing engineer, this book provides you with a clear presentation, including full derivations and examples, from which you can gain real understanding of fracture and size effect in concrete and other quasibrittle materials.

Fracture Mechanics of Concrete

Fracture Mechanics of Concrete
Author : Surendra P. Shah,Stuart E. Swartz,Chengsheng Ouyang
Publisher : John Wiley & Sons
Release Date : 1995-09-28
Category : Technology & Engineering
Total pages :588
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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.

Espanol Para la Vida

Espanol Para la Vida
Author : Zena Moore
Publisher : Nelson Thornes
Release Date : 2014-11
Category : Juvenile Nonfiction
Total pages :128
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The new edition has the following features to help teachers and students achieve success:7 An up-to-date communicative approach7 Clearly-stated lesson objectives7 Plenty of activities and exercises for vocabulary and grammar7 Practice for the four skills of reading, writing, listening and speaking7 Authentic situations so language is learned in a Latin American context7 Checklists to minor progress7 Exercises for accurate pronunciation7 Encouragement of autonomous learning and assessmentZena Moore is an experienced teacher of Spanish at all levels in secondary schools in Trinidad and Tobago.

Brittle Matrix Composites

Brittle Matrix Composites
Author : Anonim
Publisher : Unknown
Release Date : 1994
Category : Brittleness
Total pages :129
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Fracture Mechanics of Ceramics

Fracture Mechanics of Ceramics
Author : R.C. Bradt,D.P.H. Hasselman,D. Munz,M. Sakai,V.Ya. Shevchenko
Publisher : Springer
Release Date : 1996-10-31
Category : Technology & Engineering
Total pages :590
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Volumes 11 and 12 of the series contain the 90 papers of an international symposium in Karlsruhe, Germany, in July 1995, which continued the investigation of failure behavior in monolithic engineering ceramics and reinforced ceramics. Addresses recent developments in the understanding and modelling

Fracture Mechanics for Concrete Materials

Fracture Mechanics for Concrete Materials
Author : Cumaraswamy Vipulanandan,Walter Gerstle
Publisher : Amer Concrete Inst
Release Date : 2001
Category : Technology & Engineering
Total pages :286
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Toughening Mechanisms in Composite Materials

Toughening Mechanisms in Composite Materials
Author : Qinghua Qin,Jianqiao Ye
Publisher : Elsevier
Release Date : 2015-05-26
Category : Technology & Engineering
Total pages :416
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Toughening Mechanisms in Composite Materials aims to provide a comprehensive and technically detailed coverage of composites and their toughening mechanisms. Unique in its direct and comprehensive approach, the book presents fundamental knowledge on composites’ toughening mechanisms as well as a comprehensive treatment of numerical methods. This volume summarizes the current state-of-the-art and presents the most recent research outcomes in the field. It details the development of each of the techniques, beginning with basic principles, and new concepts are illustrated with examples wherever possible. Covers particle-reinforced composites, fibre-reinforced composites and other toughening mechanisms Analyses toughening mechanisms in a broad range of composite materials Developments in nanotube toughened composites and toughened graphene ceramic composites are examined

Journal of Engineering Mechanics

Journal of Engineering Mechanics
Author : Anonim
Publisher : Unknown
Release Date : 1999
Category : Mechanics, Applied
Total pages :129
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Cements Research Progress

Cements Research Progress
Author : Anonim
Publisher : Unknown
Release Date : 1995
Category : Cement
Total pages :129
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Structural Engineering Handbook, Fifth Edition

Structural Engineering Handbook, Fifth Edition
Author : Mustafa Mahamid,Edwin H. Gaylord,Charles N. Gaylord
Publisher : McGraw Hill Professional
Release Date : 2020-04-17
Category : Technology & Engineering
Total pages :896
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Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. The industry-standard guide to structural engineering—fully updated for the latest advances and regulations For 50 years, this internationally renowned handbook has been the go-to reference for structural engineering specifications, codes, technologies, and procedures. Featuring contributions from a variety of experts, the book has been revised to align with the codes that govern structural design and materials, including IBC, ASCE 7, ASCE 37, ACI, AISC, AASHTO, NDS, and TMS. Concise, practical, and user-friendly, this one-of-a-kind resource contains real-world examples and detailed descriptions of today’s design methods. Structural Engineering Handbook, Fifth Edition, covers: • Computer applications in structural engineering • Earthquake engineering • Fatigue, brittle fracture, and lamellar tearing • Soil mechanics and foundations • Design of steel structural and composite members • Plastic design of steel frames • Design of cold-formed steel structural members • Design of aluminum structural members • Design of reinforced- and prestressed-concrete structural members • Masonry construction and timber structures • Arches and rigid frames • Bridges and girder boxes • Building design and considerations • Industrial and tall buildings • Thin-shell concrete structures • Special structures and nonbuilding structures

Materials Evaluation

Materials Evaluation
Author : Anonim
Publisher : Unknown
Release Date : 1992
Category : Radiography
Total pages :129
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Fiber-reinforced Cement Composites

Fiber-reinforced Cement Composites
Author : Perumalsamy N. Balaguru,Surendra P. Shah
Publisher : McGraw-Hill Companies
Release Date : 1992
Category : Technology & Engineering
Total pages :530
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Fracture Mechanics of Ceramics: Composites, R-Curve behavior, and fatigue

Fracture Mechanics of Ceramics: Composites, R-Curve behavior, and fatigue
Author : Pennsylvania State University
Publisher : Unknown
Release Date : 1992
Category : Science
Total pages :129
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Mechanisms and Kinetics of Fatigue in Ceramic Materials

Mechanisms and Kinetics of Fatigue in Ceramic Materials
Author : David Samuel Jacobs
Publisher : Unknown
Release Date : 1995
Category :
Total pages :129
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