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Reliability Formulation For The Strength And Fire Endurance Of Glued Laminated Beams
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Book Synopsis Reliability Formulation for the Strength and Fire Endurance of Glued-laminated Beams by :
Download or read book Reliability Formulation for the Strength and Fire Endurance of Glued-laminated Beams written by and published by . This book was released on 1985 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A model was developed for predicting the statistical distribution of glued-laminated beam strength and stiffness under normal temperature conditions using available long span modulus of elasticity data, end joint tension test data, and tensile strength data for laminating-grade lumber. The beam strength model predictions compared favorably with test data for glued-laminated beam strength data with 8 and 10 laminations; however, the model predicted strength values 30 percent higher for glued-laminated beam strength data with 4 laminations. Fire endurance and structural resistance were evaluated by artificially reducing the cross section. This reduction accounts for char depth as well as for reduced wood strength caused by the elevated temperature. Average time-to-failure predictions using the developed model compared well with those from conventional prediction methods.
Book Synopsis Strength Validation and Fire Endurance of Glued-laminated Timber Beams by : Erwin L. Schaffer
Download or read book Strength Validation and Fire Endurance of Glued-laminated Timber Beams written by Erwin L. Schaffer and published by . This book was released on 1986 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: A previous paper presented a reliability-based model to predict the strength of glued-laminated timber beams at both room temperature and during fire exposure. This Monte Carlo simulation procedure generates strength and fire endurance (time-to-failure, TTF) data for glued-laminated beams that allow assessment of mean strength and TTF as well as their variability. This paper reports an effort to validate model predictive capability through an independently fabricated set of 21 glued-laminated beams. Based upon the available data for the model input parameters on lumber strength and stiffness, finger-joint strength, and length of laminating lumber between sequential finger joints, the model of beam strength appears acceptable and possibly slightly conservative. Refinements in the beam strength model allow its use for predicting fire endurance. In this case, the fire endurance is measured by the TTF and is defined as the time the beam will support its design load while subjected to fire. The residual strength of the beam is analytically calculated by removing the char layer, plus a finite thickness of weakened wood, from the beam cross section as fire exposure time increases. Employing the input parameters for values of finger-joint strength and lamination grades of Douglas-fir, the fire endurance TTF was analyzed for a 5.12- by 16.50-inch 11-lamination Douglas Fir-Larch beam (24F-V4) carrying full allowable uniform load (47.7 lb/in.). (Three-sided fire exposure was assumed; however, four-sided exposure can also be accommodated.) A simulated random fabrication and analysis of the TTF under fire exposure for 100 beams was performed. The mean TTF was estimated as 35.2 minutes with a coefficient of variation of 13.7 percent. Lateral torsional buckling was never the cause of failure in any of the simulations. The results compared well (within a 65 pct confidence band) with the observations and predictions for timber beams reported by sources in other countries. A simulation for a single glulam beam test in cooperation with the National Forest Products Association was also conducted which predicted the result exactly.
Book Synopsis Long-term Load Performance of Hardboard I-beams by : J. Dobbin McNatt
Download or read book Long-term Load Performance of Hardboard I-beams written by J. Dobbin McNatt and published by . This book was released on 1983 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper FPL written by and published by . This book was released on 1985 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 14th International Probabilistic Workshop by : Robby Caspeele
Download or read book 14th International Probabilistic Workshop written by Robby Caspeele and published by Springer. This book was released on 2016-11-20 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of the 14th International Probabilistic Workshop that was held in Ghent, Belgium in December 2016. Probabilistic methods are currently of crucial importance for research and developments in the field of engineering, which face challenges presented by new materials and technologies and rapidly changing societal needs and values. Contemporary needs related to, for example, performance-based design, service-life design, life-cycle analysis, product optimization, assessment of existing structures and structural robustness give rise to new developments as well as accurate and practically applicable probabilistic and statistical engineering methods to support these developments. These proceedings are a valuable resource for anyone interested in contemporary developments in the field of probabilistic engineering applications.
Download or read book General Technical Report INT written by and published by . This book was released on 1988 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atlas of 28 Selected Commercial Forest Areas with Unutilized Stands of Lodgepole Pine by : Peter Koch
Download or read book Atlas of 28 Selected Commercial Forest Areas with Unutilized Stands of Lodgepole Pine written by Peter Koch and published by . This book was released on 1988 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protecting People and Homes from Wildfire in the Interior West by :
Download or read book Protecting People and Homes from Wildfire in the Interior West written by and published by . This book was released on 1988 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Probabilistic Structural Mechanics Handbook by : C.R. Sundararajan
Download or read book Probabilistic Structural Mechanics Handbook written by C.R. Sundararajan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for a comprehensive book on probabilistic structural mechanics that brings together the many analytical and computational methods developed over the years and their applications in a wide spectrum of industries-from residential buildings to nuclear power plants, from bridges to pressure vessels, from steel structures to ceramic structures-became evident from the many discussions the editor had with practising engineers, researchers and professors. Because no single individual has the expertise to write a book with such a di.verse scope, a group of 39 authors from universities, research laboratories, and industries from six countries in three continents was invited to write 30 chapters covering the various aspects of probabilistic structural mechanics. The editor and the authors believe that this handbook will serve as a reference text to practicing engineers, teachers, students and researchers. It may also be used as a textbook for graduate-level courses in probabilistic structural mechanics. The editor wishes to thank the chapter authors for their contributions. This handbook would not have been a reality without their collaboration.
Book Synopsis Strength and Stiffness of Light-frame Sloped Trusses by : Ronald W. Wolfe
Download or read book Strength and Stiffness of Light-frame Sloped Trusses written by Ronald W. Wolfe and published by . This book was released on 1986 with total page 770 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.
Download or read book General Technical Report WO. written by and published by . This book was released on 1975 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protecting and Enhancing America's Forests and Rangelands by :
Download or read book Protecting and Enhancing America's Forests and Rangelands written by and published by . This book was released on 1987 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States-Japan Cooperative Program in Natural Resources. Panel on Wind and Seismic Effects. Joint Meeting Publisher : ISBN 13 : Total Pages :624 pages Book Rating :4.:/5 (318 download)
Book Synopsis Wind and Seismic Effects by : United States-Japan Cooperative Program in Natural Resources. Panel on Wind and Seismic Effects. Joint Meeting
Download or read book Wind and Seismic Effects written by United States-Japan Cooperative Program in Natural Resources. Panel on Wind and Seismic Effects. Joint Meeting and published by . This book was released on 1992 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gripped-end Effect in Tension Proof Testing of Dimension Lumber by : Angela Marie Terry
Download or read book Gripped-end Effect in Tension Proof Testing of Dimension Lumber written by Angela Marie Terry and published by . This book was released on 1991 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper FPL-RP written by and published by . This book was released on 1986 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1986 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:
