The Influence of Checks on the Fracture of Wood Perpendicular to the Grain PDF Download
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Author: Richard Arthur Pozniak
Publisher:
ISBN:
Category : Checks
Languages : en
Pages : 206
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Book Description
Author: Richard Arthur Pozniak
Publisher:
ISBN:
Category : Checks
Languages : en
Pages : 206
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Book Description
Author: Ian Smith
Publisher: John Wiley & Sons
ISBN: 9780471487081
Category : Technology & Engineering
Languages : en
Pages : 248
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Book Description
Damage in wood is principally the result of fatigue. Fatigue is the process of progressive localised irreversible change in a material, and may culminate in cracks or complete fracture if conditions that initiated or propagated the process persist. Comprehensive understanding of fatigue and fracture in engineered wood components must be founded on a proper understanding of the damage processes. Although wood is the world's most widely used structural material, whether measured by volume consumed or value of finished construction, its behaviour is not well understood even by people who have spent their careers studying it. * What is known about failure processes comes almost entirely from empirical evidence collected for engineering purposes. * Hypotheses about behaviour of wood are based on macroscopic observation of specimens during and following tests. * With only limited resources and the need to obtain practical results quickly, the timber engineering research community has steered away from the scientific approach. * Forestry practices are changing and are known to influence characteristics of wood cells therefore there is a need to periodically reassess the mechanical properties of visually graded lumber the blackbox approach. Fatigue and Fracture of Wood examines the above issues from a scientific point of view by drawing on the authors' own research as well as previously published material. Unlike the empirical research, the book begins by examining growth of wood. It briefly examines its structure in relation to how trees grow, before assessing the fatigue and fracture of wood and discussing the scientific methods of modelling fatigue. * Covers from macro to micro behaviour of wood * Presents direct evidence of how wood fractures using Scanning Electron Microscopy * The first book to present a physically correct model for fracture in wood * Provides experimental proof of so-called memory in wood (i.e. dependence of fatigue behaviour on the loading sequence) * Givse practical illustrations of how theories and models can be applied in practice An essential resource for wood scientists/engineers, timber-engineering practitioners, and graduate students studying wood and solid mechanics.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 612
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Author: University of California, Berkeley
Publisher:
ISBN:
Category :
Languages : en
Pages : 210
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 472
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Book Description
Set includes revised editions of some issues.
Author: Edmund Frederick Rasmussen
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 288
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Book Description
Author: Forest Products Laboratory (U.S.)
Publisher:
ISBN:
Category : Furnaces
Languages : en
Pages : 284
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Book Description
Author: Forest Products Laboratory (U.S.)
Publisher:
ISBN:
Category : Lumber trade
Languages : en
Pages : 476
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Book Description
Author: Alan D'Yarmett Freas
Publisher: ASCE Publications
ISBN: 9780784475768
Category : Technology & Engineering
Languages : en
Pages : 444
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Book Description
Prepared by the Subcommittee on Evaluation, Maintenance, and Upgrading of Timber Structures of the Committee on Wood of the Structural Division of ASCE. This report presents information on technical aspects of inspection, evaluation, reinforcement, repair, and rehabilitation of timber structures. Any structure, regardless of the material from which it is made, may be subject to a review of its ability to perform a specific function or functions. This report reviews factors that influence the serviceability of wood structures, including loadings, duration of loads, temperature, moisture and weathering. Effects of chemicals and fire, as well as insects, fungi, and other organisms that attack wood are also covered. Designing to avoid problems caused by these factors is discussed. Inspection techniques and equipment are described, along with guidelines on where to look and what to look for. A section of evaluation of wood structures includes criteria such as structural analysis, determination of loads, and estimating load carrying capacity.
