Consistent Treatment Of Duration Of Load Time Effects In Wood Design PDF Download
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Author | : Joshua Heath Hollingshead |
Publisher | : |
Total Pages | : 154 |
Release | : 2006 |
Genre | : |
ISBN | : |
Download Consistent Treatment of Duration-of-load (time) Effects in Wood Design Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 156 |
Release | : 1982 |
Genre | : Lumber |
ISBN | : |
Download How the Environment Affects Lumber Design Book in PDF, ePub and Kindle
Author | : C. C. Gerhards |
Publisher | : |
Total Pages | : 30 |
Release | : 1977 |
Genre | : Loading and unloading |
ISBN | : |
Download Effect of Duration and Rate of Loading on Strength of Wood and Wood-based Materials Book in PDF, ePub and Kindle
Author | : Lyman W. Wood |
Publisher | : |
Total Pages | : 12 |
Release | : 1951 |
Genre | : Loads (Mechanics) |
ISBN | : |
Download Relation of Strength of Wood to Duration of Load Book in PDF, ePub and Kindle
Author | : Christopher Wayne Brandt |
Publisher | : |
Total Pages | : 0 |
Release | : 2001 |
Genre | : Composite materials |
ISBN | : |
Download Load-duration Behavior of Extruded Wood-plastic Composites Book in PDF, ePub and Kindle
One of the important characteristics affecting many materials including wood, plastic, and wood-plastic composites is their time-dependent behavior. This behavior can be divided into two separate, yet related, phenomena known as creep and creep-rupture. Creep is the increase in deformation over time while subjected to a sustained load. Creep-rupture, or load-duration behavior, is the eventual failure to sustain a constant load due to increased deformation over time. Both have a considerable effect on wood-plastic composite members and must be accounted for in design. The load-duration, or creeprupture, behavior of wood and traditional wood composite products has been studied extensively by numerous researchers, and simplified design procedures to account for both effects are in place. However, the load-duration behavior of composite products made out of the combination of wood and plastic is not well understood or documented. Currently, wood-plastic composite products are available on the commercial market, yet no standardized design procedures to account for creep or duration-of-load effects exist. Given the lack of understanding of the load-duration behavior of wood-plastic composites, a research effort was initiated to investigate the load-duration behavior of various wood-plastic composite formulations and to compare the observed behavior to that of solid sawn lumber. An exponential damage rate model commonly used for solid wood was found to similarly describe the load-duration effect for wood-plastic composites. Proposed adjustment factors were developed following existing procedures for wood products. It was also found that the current adjustment factors, as found in the 1997 edition of the National Design Specification for Wood Construction, can be conservatively applied to wood-plastic composite products, although the adjustment is overly conservative for the materials tested. However, applying adjustment factors based on a short-duration loading was found to be non-conservative. Rate-of-load effects on flexural properties were also experimentally investigated. It was found that a rate-of-load effect existed for both modulus of rupture and modulus of elasticity over certain ranges of load-rate values. A rate-of-loading corresponding to 0.01 mm/mm/min was found to produce representative material properties that were slightly conservative
Author | : |
Publisher | : |
Total Pages | : 480 |
Release | : 1999 |
Genre | : Forest products |
ISBN | : |
Download General Technical Report FPL. Book in PDF, ePub and Kindle
Author | : Agriculture |
Publisher | : Simon and Schuster |
Total Pages | : 496 |
Release | : 2011-02-11 |
Genre | : House & Home |
ISBN | : 1626366713 |
Download The Encyclopedia of Wood Book in PDF, ePub and Kindle
Timber is one of our most precious, versatile, and vulnerable resources, so using it effectively is important. Knowing your material inside and out is the first step to doing just that. Read about the structure of wood itself, from growth rings to its chemical composition. Learn wood's physical and mechanical properties, including everything from elasticity to nuclear radiation. This extensive manual includes a section on stress grading as well as thorough descriptions of which fasteners to use and when. It has information on adhesive bonding, biodeterioration, control of moisture content, preservation, fire safety, specialty treatments, and much more. The Encyclopedia of Wood is an essential resource for builders, architects, engineers, and woodworkers.
Author | : Richard Spencer |
Publisher | : |
Total Pages | : 97 |
Release | : 1983 |
Genre | : Wood |
ISBN | : |
Download A Report on Experiments on Duration of Load Effects for Wood Subject to Constant Shear Stress Book in PDF, ePub and Kindle
Author | : Judith Stalnaker |
Publisher | : Springer Science & Business Media |
Total Pages | : 480 |
Release | : 2014-07-08 |
Genre | : Technology & Engineering |
ISBN | : 1461540828 |
Download Structural Design in Wood Book in PDF, ePub and Kindle
The prime purpose of this book is to serve as a design is of considerable value in helping the classroom text for the engineering or architec student make the transition from the often sim ture student. It will, however, also be useful to plistic classroom exercises to problems of the designers who are already familiar with design real world. Problems for solution by the student in other materials (steel, concrete, masonry) but follow the same idea. The first problems in each need to strengthen, refresh, or update their capa subject are the usual textbook-type problems, bility to do structural design in wood. Design but in most chapters these are followed by prob principles for various structural materials are lems requiring the student to make structural similar, but there are significant differences. planning decisions as well. The student may be This book shows what they are. required, given a load source, to find the magni The book has features that the authors believe tude of the applied loads and decide upon a set it apart from other books on wood structural grade of wood. Given a floor plan, the student design. One of these is an abundance of solved may be required to determine a layout of struc examples. Another is its treatment of loads. This tural members. The authors have used most of book will show how actual member loads are the problems in their classes, so the problems computed. The authors have found that students, have been tested.
Author | : Forest Products Laboratory (U.S.) |
Publisher | : |
Total Pages | : 476 |
Release | : 1987 |
Genre | : Lumber trade |
ISBN | : |
Download Wood Handbook Book in PDF, ePub and Kindle