Investigation of the Dynamic Fracture Behavior of Concrete PDF Download
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Author: Nadarajah Somaskanthan
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 248
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Book Description
Author: Nadarajah Somaskanthan
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 248
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Book Description
Author: Arun Shukla
Publisher: World Scientific
ISBN: 9814477737
Category : Technology & Engineering
Languages : en
Pages : 374
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Book Description
Covering a wide variety of topics in dynamic fracture mechanics, this volume presents state-of-the-art experimental techniques and theoretical analysis on dynamic fracture in standard and exotic materials. Written by world renowned researchers, this valuable compendium contains eleven chapters on crack initiation, crack propagation, crack arrest, crack-stress wave interactions, and experimental, analytical and numerical methods in dynamic fracture mechanics.
Author: N. Morozov
Publisher: Springer Science & Business Media
ISBN: 3540697128
Category : Science
Languages : en
Pages : 107
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Book Description
In this book a new phenomenological approach to brittle medium fracture initiation under shock pulses is developped. It provides an opportunity to estimate fracture of media with and without macrodefects. A qualitative explanation is thus obtained for a number of principally important effects of high-speed dynamic fracture that cannot be clarified within the framework of previous approaches. It is possible to apply this new strategy to resolve applied problems of disintegration, erosion, and dynamic strength determination of structural materials. Specialists can use the methods described to determine critical characteristics of dynamic strength and optimal effective fracture conditions for rigid bodies. This book can also be used as a special educational course on deformation of materials and constructions, and fracture mechanics.
Author: K. Ravi-Chandar
Publisher: Elsevier
ISBN: 0080472559
Category : Science
Languages : en
Pages : 265
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Book Description
Dynamic fracture in solids has attracted much attention for over a century from engineers as well as physicists due both to its technological interest and to inherent scientific curiosity. Rapidly applied loads are encountered in a number of technical applications. In some cases such loads might be applied deliberately, as for example in problems of blasting, mining, and comminution or fragmentation; in other cases, such dynamic loads might arise from accidental conditions. Regardless of the origin of the rapid loading, it is necessary to understand the mechanisms and mechanics of fracture under dynamic loading conditions in order to design suitable procedures for assessing the susceptibility to fracture. Quite apart from its repercussions in the area of structural integrity, fundamental scientific curiosity has continued to play a large role in engendering interest in dynamic fracture problems In-depth coverage of the mechanics, experimental methods, practical applications Summary of material response of different materials Discussion of unresolved issues in dynamic fracture
Author: M. F. Kanninen
Publisher:
ISBN:
Category :
Languages : en
Pages : 312
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Book Description
Partial Contents: Fundamental considerations in dynamic fracture; The behaviour of cracks under thermal transient loading; Dynamic analysis of crack growth and arrest in a pressure vessel subjected to thermal and pressure loading; The role of crack arrest in the evaluation PWR pressure vessel integrity during PTS transients; A dynamic analysis of crack propagation and arrest in pressurized thermal shock (PTS) experiments; A new finite element technique for modelling stable crack growth; On the nature of crack propagation and arrest in a damaging material; A viscoplastic constitutive model for dynamic fracture; Crack tip parameters and temperature rise in dynamic crack propagation; Large deformations near a propagating crack tip; The influence of specimen boundary conditions on the fracture toughness of running cracks; An experimental and analytical investigation of axial crack propagation in long pipes; Stress fringe signatures for propagating cracks; Dynamic photoelastic investigation of two pressurized cracks approaching one another; Dynamic fracture mechanics with electromagnetic force and its application to fracture toughness testing; Fracture behavior under high rates of loading; Finite element modelling of dynamic cracking in wide plates; Short pulse fracture mechanics.
Author: J.C. Maso
Publisher: CRC Press
ISBN: 0203627253
Category : Architecture
Languages : en
Pages : 218
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Book Description
An important new state-of-the-art report prepared by RILEM Technical Committee 108 ICC. It has been written by a team of leading international experts from the UK, USA, Canada, Israel, Germany, Denmark, South Africa, Italy and France. Research studies over recent years in the field of cement science have focused on the behaviour of the interfaces between the components of cement-based materials. The techniques used in other areas of materials science are being applied to the complex materials found in cements and concretes, and this book provides a significant survey of the present state of the art.
Author: Zdenek P. Bazant
Publisher: Springer Science & Business Media
ISBN: 9401136386
Category : Science
Languages : en
Pages : 193
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Book Description
From time to time the International Journal of Fracture has presented matters thought to be of special interest to its readers. The last special topic review was presented by Drs W.G. Knauss and AJ. Rosakis as Guest Editors in four issues, January-April 1990, under the general title of Non Linear Fracture. It contained sections on damage mechanisms, interfaces and creep, time depen dence, and continuum plasticity insofar as they affect the mechanisms of the fracture process. Continuing this policy, which is consistent with our stated objectives, the two September issues deal with the behavior of concrete and cementious materials during fracture initiation and propagation. We hope that the ensuing state-of-the-art review will yield another instructive and timely product which readers will find useful. To assist us in presenting this subject, we have prevailed upon a well-known international expert in concrete behavior, Dr. Z.P. Bazant, Walter P. Murphy Professor of Civil Engineering, of Northwes tern University to act as Guest Editor. On behalf of the editors and publishers, I wish to thank Professor BaZant and his invited authors for undertaking this special effort. M.L. WILLIAMS Pittsburgh, Pennsylvania Editor-in-Chief September 1991 International Journal of Fracture 51: ix-xv, 1991. Z.P. Bafant (ed.), Current Trends in Concrete Fracture Research.
Author: Zdenek P. Bazant
Publisher:
ISBN:
Category :
Languages : en
Pages : 156
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Book Description
Damage in concrete is characterized by microcracking and/or the development of large cracks. In this study, the physics underlying the relationships between microcracks and damage and the implications of these factors on the mathematical modeling of engineering structures have been studied. Particular issues which have been emphasized are: (1) the size effects on brittle failure, (2) shear fracture and (3) the mathematical and phenomenological consistency of strain-softening models with damage processes in concrete. The effect of the size of a concrete structure on the nominal stress at brittle failure is studied by dimension analysis and illustrative examples.
Author: Jung H. Yon
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 142
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Book Description
A displacement controlled dynamic test system and instrumentation for dynamic fracture testing of concrete specimens, was developed. Also a hybrid experimental-numerical procedure for evaluating the dynamic fracture data thus generated was developed. The experimental data consisted of the applied load and transient strains in single edge notched, three point bend specimens which were subjected to controlled displacement loading. In addition, moire interferometry data was obtained in three point bend specimens subjected drop weight loading. Also the applied load, transient strains and crack opening displacement were measured in crack-line wedge-loaded, double cantilever beam specimens which were subjected to controlled wedge displacement loading. These test systems and the hybrid analysis were used to determine the strain rate sensitivity of the elastic properties and the fracture process zone of rapidly fracturing concrete specimens. The increase in both tensile and compressive moduli of elasticity and the tensile strength with increasing strain rate were quantified. The fracture process zone decreased in magnitude with increasing strain rate but the tensile strength necessary to propagated the tip of the fracture process zone under a tensile strength criterion increased substantially with the strain rate. The net effect was that dynamic fracture responses of a rapidly propagating crack in concrete resembled that of linear elasto-dynamic fracture mechanics with influence of the fracture process zone decreasing with increasing strain rate of loading. (sdw).
Author: Vijay Chalivendra
Publisher: Springer Science & Business Media
ISBN: 1461442389
Category : Technology & Engineering
Languages : en
Pages : 574
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Book Description
Dynamic Behavior of Materials, Volume 1: Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics represents one of seven volumes of technical papers presented at the Society for Experimental Mechanics SEM 12th International Congress & Exposition on Experimental and Applied Mechanics, held at Costa Mesa, California, June 11-14, 2012. The full set of proceedings also includes volumes on Challenges in Mechanics of Time -Dependent Materials and Processes in Conventional and Multifunctional Materials, Imaging Methods for Novel Materials and Challenging Applications, Experimental and Applied Mechanics, 2nd International Symposium on the Mechanics of Biological Systems and Materials 13th International Symposium on MEMS and Nanotechnology and, Composite Materials and the 1st International Symposium on Joining Technologies for Composites.
