Scaling of Structural Strength

Scaling of Structural Strength PDF

Author: Z. P. Bažant

Publisher: CRC Press

Published: 2002

Total Pages: 302

ISBN-13: 9781560329848

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Questions of size effect and scaling on the integrity of structures have been around since at least the time of Leonardo da Vinci. Bazant (civil engineering and materials science, Northwestern U.) sketches the history of size effect studies before exploring size effect on fracture and crack mechanics in a number of materials. He explores applications of the known size effect law for the measurement of material fracture properties and the modeling of the size effect by the cohesive crack model, nonlocal finite element models, and discrete element models. Applications to quasibrittle materials, including concrete, fiber composites, sea ice, rocks, and ceramics are presented. The role of size effect in some famous structural catastrophes is then examined. Annotation copyrighted by Book News, Inc., Portland, OR.

Scaling of Structural Strength

Scaling of Structural Strength PDF

Author: Zdenek P. Bazant

Publisher: Elsevier

Published: 2005-06-28

Total Pages: 336

ISBN-13: 0080461352

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This book is concerned with a leading-edge topic of great interest and importance, exemplifying the relationship between experimental research, material modeling, structural analysis and design. It focuses on the effect of structure size on structural strength and failure behaviour. Bazant's theory has found wide application to all quasibrittle materials, including rocks, ice, modern fiber composites and tough ceramics. The topic of energetic scaling, considered controversial until recently, is finally getting the attention it deserves, mainly as a result of Bazant's pioneering work. In this new edition an extra section of data and new appendices covering twelve new application developments are included. The first book to show the 'size effect' theory of structure size on strength Presents the principles and applications of Bazant's pioneering work on structural strength Revised edition with new material on topics including asymptotic matching, flexural strength of fiber-composite laminates, polymeric foam fractures and the design of reinforced concrete beams

Scaling Structural Strength

Scaling Structural Strength PDF

Author: Z. Bazant

Publisher: Kogan Page

Published: 2005-03-01

Total Pages: 300

ISBN-13: 9781903996638

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"Consolidates most of Bazant's pioneering research work in energetic strength scaling in an accessible format... a fascinating read and I highly recommend it to any practitioners of this subject." -- Strain This book is concerned with a leading-edge topic of great interest and importance, exemplifying the relationship between experimental research, material modeling, structural analysis and design. It focuses on the effect of structure size on structural strength and failure behavior. Bazant's theory has recently found wide application to all quasibrittle materials, including rocks, ice, modern fiber composites and tough ceramics.

Probabilistic Mechanics of Quasibrittle Structures

Probabilistic Mechanics of Quasibrittle Structures PDF

Author: Zdenek P. Bazant

Publisher: Cambridge University Press

Published: 2017-05-25

Total Pages: 319

ISBN-13: 1107151708

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This book presents an experimentally validated probabilistic strength theory of structures made of concrete, composites, ceramics and other quasibrittle materials.

Mechanical Properties and Deformation Behavior of Materials Having Ultra-Fine Microstructures

Mechanical Properties and Deformation Behavior of Materials Having Ultra-Fine Microstructures PDF

Author: Michael Anthony Nastasi

Publisher: Springer Science & Business Media

Published: 1993

Total Pages: 646

ISBN-13: 9780792321958

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This book focuses on the emerging class of new materials characterized by ultra-fine microstrucures. The NATO ASI which produced this book was the first international scientific meeting devoted to a discussion of the mechanical properties and deformation behavior of materials having grain sizes down to a few nanometers. Topics covered include superplasticity, tribology, and the supermodulus effect. Review chapters cover a variety of other themes including synthesis, characterization, thermodynamic stability, and general physical properties. Much of the work is concerned with the issue of how far conventional techniques and concepts can be extended toward atomic scale probing. Another key issue concerns the structure of nanocrystalline materials, in particular, what is the structure and composition of the internal boundaries. These ultra-fine microstructures have proved to challenge even the finest probes that the materials science community has today.

The Kiloparsec-Scale Structure and Kinematics of High-Redshift Star-Forming Galaxies

The Kiloparsec-Scale Structure and Kinematics of High-Redshift Star-Forming Galaxies PDF

Author: David R. Law

Publisher: Universal-Publishers

Published: 2008-09

Total Pages: 252

ISBN-13: 1599426919

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We study the spatially resolved properties of star-forming galaxies at redshift z 2 - 3 on scales 1 kpc using a combination of morphological and kinematic analyses in an effort to characterize the major mechanisms of galaxy formation in the young universe. Using a sample of 216 galaxies which have been spectroscopically confirmed to lie between redshifts z = 1.8 - 3.4 in the GOODS-N field we demonstrate that rest-UV morphology (as seen by the Hubble Space Telescope) is statistically uncorrelated with physical properties such as star formation rate and is therefore unable to support the hypothesis that the prevalence of irregular morphologies indicates a high major merger fraction. Further, we present a sample of 13 galaxies observed with the OSIRIS integral field spectrograph and the Keck laser-guide star adaptive optics system which demonstrate the prevalence of high velocity dispersions 80 km/s and generally little in the way of spatially resolved velocity gradients, inconsistent with favored rotating disk models. We discuss the implications of these results for galaxy formation models, including gas accretion via cold flows and gravitational instability of early gas-rich galactic disks. There is some evidence for a trend towards stronger rotational signatures in galaxies with more massive stellar populations.

Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials

Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials PDF

Author: Hyonny Kim

Publisher: DEStech Publications, Inc

Published: 2014-09-17

Total Pages: 3583

ISBN-13: 1605951242

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New and not previously published U.S. and international research on composite and nanocomposite materialsFocus on health monitoring/diagnosis, multifunctionality, self-healing, crashworthiness, integrated computational materials engineering (ICME), and moreApplications to aircraft, armor, bridges, ships, and civil structures This fully searchable CD-ROM contains 270 original research papers on all phases of composite materials, presented by specialists from universities, NASA and private corporations such as Boeing. The document is divided into the following sections: Aviation Safety and Aircraft Structures; Armor and Protection; Multifunctional Composites; Effects of Defects; Out of Autoclave Processing; Sustainable Processing; Design and Manufacturing; Stability and Postbuckling; Crashworthiness; Impact and Dynamic Response; Natural, Biobased and Green; Integrated Computational Materials Engineering (ICME); Structural Optimization; Uncertainty Quantification; NDE and SHM Monitoring; Progressive Damage Modeling; Molecular Modeling; Marine Composites; Simulation Tools; Interlaminar Properties; Civil Structures; Textiles. The CD-ROM displays figures and illustrations in articles in full color along with a title screen and main menu screen. Each user can link to all papers from the Table of Contents and Author Index and also link to papers and front matter by using the global bookmarks which allow navigation of the entire CD-ROM from every article. Search features on the CD-ROM can be by full text including all key words, article title, author name, and session title. The CD-ROM has Autorun feature for Windows 2000 or higher products and can also be used with Macintosh computers. The CD includes the program for Adobe Acrobat Reader with Search 11.0. One year of technical support is included with your purchase of this product.

Multi-Scale Modeling of Structural Concrete

Multi-Scale Modeling of Structural Concrete PDF

Author: Koichi Maekawa

Publisher: CRC Press

Published: 2008-11-28

Total Pages: 670

ISBN-13: 0203927206

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Increases in computer power have now enabled engineers to combine materials science with structural mechanics in the design and the assessment of concrete structures. The techniques developed have become especially useful for the performance assessment of such structures under coupled mechanistic and environmental actions. This allows effective management of infrastructure over a much longer life cycle, thus satisfying the requirements for durability and sustainability. This ground-breaking new book draws on the fields of materials and structural mechanics in an integrated way to address the questions of management and maintenance. It proposes a realistic way of simulating both constituent materials and structural responses under external loading and under ambient conditions. Where the research literature discusses component or element technology related to performance assessment, this book uniquely covers the subject at the level of the whole system including soil foundation, showing engineers how to model changes in concrete structures over time and how to use this for decision making in infrastructure maintenance and asset management.

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