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Creep And Creep Rupture Behavior Of Wood Based Structural Panels
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Book Synopsis Creep and Creep-rupture Behavior of Wood-based Structural Panels by : Theodore Laufenberg
Download or read book Creep and Creep-rupture Behavior of Wood-based Structural Panels written by Theodore Laufenberg and published by . This book was released on 1999 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper summarizes a cooperative research program between the USDA Forest Service, Forest Products Laboratory (FPL), in Madison, Wisconsin, and Forintek Canada Corp. in Vancouver, British Columbia, Canada. This research program provided detailed creep--rupture and some creep information for composite panel products. Commercially produced plywood, oriented strandboard (OSB), and minimally aligned waferboard were tested to identify nine mills (three for each product) that produced panels with a range of flexural creep performance. The three plywood, three OSB, and three waferboard products (nine products total, one from each mill) were then tested to provide information on their duration of load (DOL) and creep performance. Large panel specimens were subjected to both rampload and constant-load tests under one environmental condition. The constant-load results provided conventional or deterministic DOL factors that compared favorably with National Design Specifications recommended for adjusting lumber design strength properties under dry service conditions. Ramp-load specimen data generally indicated a lower rate of damage accumulation than did data for constant-load specimens. Creep tests at two low constant-load levels were also performed on large specimens under three environmental conditions for a 6-month period. Those results suggested that present deterministic creep factors in panel design practice might be acceptable for plywood under the influence of relatively severe conditions, for OSB in moderate conditions, and for waferboard in dry service environmental conditions.
Book Synopsis Creep and Creep-rupture Behavior of Wood-based Structural Panels by : Theodore L. Laufenberg
Download or read book Creep and Creep-rupture Behavior of Wood-based Structural Panels written by Theodore L. Laufenberg and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Creep and Creep-rupture Behaviour of Wood-based Structural Panels by : Theodore L. Laufenberg
Download or read book Creep and Creep-rupture Behaviour of Wood-based Structural Panels written by Theodore L. Laufenberg and published by . This book was released on 1994 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Creep Behavior of Structural Insulated Panels (SIPs) by : Dwight McDonald
Download or read book Creep Behavior of Structural Insulated Panels (SIPs) written by Dwight McDonald and published by . This book was released on 2014 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural insulated panels (SIPs) have been recognized as construction materials in the International Residential Code (IRC) since 2009. Although most SIPs are used in wall applications, they can also be used as roof or floor panels that are subjected to long-term transverse loading, for which SIP creep performance may be critical in design. However, limited information on creep performance of SIPs under transverse loading is available. Collaborative pilot studies were undertaken by the USDA Forest Products Laboratory and APA-The Engineered Wood Association to explore the creep behavior of SIPs under bending- and shear-critical configurations. Results from these pilot studies will serve as the basis for more comprehensive future studies. This paper provides detailed test results from these pilot studies.
Book Synopsis Creep in Timber Structures by : P. Morlier
Download or read book Creep in Timber Structures written by P. Morlier and published by CRC Press. This book was released on 2004-03-01 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together up to date information from research and practice about the interaction between moisture changes and mechanical loading, which may lead to excessive deflections or joint movements in timber structures. It has important applications in timber engineering, and consequences for national and international structural codes of practice.
Download or read book Research Paper FPL-RP written by and published by . This book was released on 1986 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Grain Orientation on the Flexural Creep Behavior of Wood-based Panel Products by : Rajomoney Gnanaharan
Download or read book Effect of Grain Orientation on the Flexural Creep Behavior of Wood-based Panel Products written by Rajomoney Gnanaharan and published by . This book was released on 1979 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fracture and Fatigue in Wood by : Ian Smith
Download or read book Fracture and Fatigue in Wood written by Ian Smith and published by John Wiley & Sons. This book was released on 2003-06-02 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Dividends from Wood Research written by and published by . This book was released on 1991-07 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Environmental Condition and Product Type on Creep Properties of Wood Structural Panels by : Guozhi Li
Download or read book Effect of Environmental Condition and Product Type on Creep Properties of Wood Structural Panels written by Guozhi Li and published by . This book was released on 1987 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Creep Behavior of Structural Insulated Panels (SIPs) by : Dwight McDonald
Download or read book Creep Behavior of Structural Insulated Panels (SIPs) written by Dwight McDonald and published by . This book was released on 2014 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural insulated panels (SIPs) have been recognized as construction materials in the International Residential Code (IRC) since 2009. Although most SIPs are used in wall applications, they can also be used as roof or floor panels that are subjected to long-term transverse loading, for which SIP creep performance may be critical in design. However, limited information on creep performance of SIPs under transverse loading is available. Collaborative pilot studies were undertaken by the USDA Forest Products Laboratory and APA-The Engineered Wood Association to explore the creep behavior of SIPs under bending- and shear-critical configurations. Results from these pilot studies will serve as the basis for more comprehensive future studies. This paper provides detailed test results from these pilot studies.
Book Synopsis Creep Properties of Wood and Wood-based Materials for Structural Elements by : Robert Kliger
Download or read book Creep Properties of Wood and Wood-based Materials for Structural Elements written by Robert Kliger and published by . This book was released on 1986 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Creep Rupture Behavior of Wood by : Kenneth Jon Fridley
Download or read book Creep Rupture Behavior of Wood written by Kenneth Jon Fridley and published by . This book was released on 1992 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Creep Behavior of Structural Insulated Panels (SIPs) by :
Download or read book Creep Behavior of Structural Insulated Panels (SIPs) written by and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Timber Engineering by : Sven Thelandersson
Download or read book Timber Engineering written by Sven Thelandersson and published by John Wiley & Sons. This book was released on 2003-03-14 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Timber construction is one of the most prevalent methods of constructing buildings in North America and an increasingly significant method of construction in Europe and the rest of the world. Timber Engineering deals not only with the structural aspects of timber construction, structural components, joints and systems based on solid timber and engineered wood products, but also material behaviour and properties on a wood element level. Produced by internationally renowned experts in the field, this book represents the state of the art in research on the understanding of the material behaviour of solid wood and engineered wood products. There is no comparable compendium currently available on the topic - the subjects represented include the most recent phenomena of timber engineering and the newest development of practice-related research. Grouped into three different sections, 'Basic properties of wood-based structural elements', 'Design aspects on timber structures' and 'Joints and structural assemblies', this book focuses on key issues in the understanding of: timber as a modern engineered construction material with controlled and documented properties the background for design of structural systems based on timber and engineered wood products the background for structural design of joints in structural timber systems Furthermore, this invaluable book contains advanced teaching material for all technical schools and universities involved in timber engineering. It also provides an essential resource for timber engineering students and researchers, as well as practicing structural and civil engineers.
Book Synopsis Effect of Grain Orientation on the Flexural Creep Behavior of Wood-based Panel Products by : Rajamoney Gnanaharan
Download or read book Effect of Grain Orientation on the Flexural Creep Behavior of Wood-based Panel Products written by Rajamoney Gnanaharan and published by . This book was released on 1979 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Creep Properties of Wood and Wood-based Materials for Structural Elements by :
Download or read book Creep Properties of Wood and Wood-based Materials for Structural Elements written by and published by . This book was released on 1987 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
