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Nondestructive Methods Of Evaluating Quality Of Wood In Preservative Treated Piles
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Book Synopsis Nondestructive Methods of Evaluating Quality of Wood in Preservative-treated Piles by :
Download or read book Nondestructive Methods of Evaluating Quality of Wood in Preservative-treated Piles written by and published by . This book was released on 2000 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stress-wave-based nondestructive evaluation methods were used to evaluate the potential quality and modulus of elasticity (MOE) of wood in used preservative-treated Douglas-fir and southern pine piles. Stress wave measurements were conducted on each pile section. Stress wave propagation speeds in the piles were then obtained to estimate their MOE. This was followed by a sequence of tests conducted on octagon-shaped cants, on boards, and on small, clear wood specimens obtained from the piles. Statistical regression analyses revealed a strong correlation between the stress-wave-based MOE (MOEd) of piles and octagons and the corresponding flexural properties of boards and small, clear wood specimens determined by transverse vibration and static bending techniques, respectively. The results also indicated that used preservative-treated wood piles still contain material that has potential for use in exterior structural applications.
Book Synopsis Stress Wave Timing Nondestructive Evaluation Tools for Inspecting Historic Structures by :
Download or read book Stress Wave Timing Nondestructive Evaluation Tools for Inspecting Historic Structures written by and published by . This book was released on 2000 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Note FPL. written by and published by . This book was released on 1979 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Dividends from Wood Research written by and published by . This book was released on 2000 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Several Nondestructive Evaluation Techniques for Assessing Stiffness and MOE of Small-diameter Logs by :
Download or read book Several Nondestructive Evaluation Techniques for Assessing Stiffness and MOE of Small-diameter Logs written by and published by . This book was released on 2001 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many forests of the United States have large areas that contain trees of small diameter, mixed species, and undefined quality. Because these areas are at risk from attack by insects, disease, and uncontrollable wild fires, it is essential to find ways to increase the incentive to harvest this small-diameter material. One way to do this is to develop cost-effective products for the fiber from these trees. Nondestructive technology needs to be developed to evaluate the potential quality of stems and logs obtained from trees in such ecosystems. Static bending, transverse vibration, and longitudinal stress wave techniques are frequently used to assess the modulus of elasticity (MOE) of lumber. Excellent correlations between MOE values obtained from these techniques have been reported. The objective of this study was to investigate the use of these techniques to evaluate the flexural stiffness and MOE of small-diameter logs. A total of 159 red pine and jack pine logs were obtained from northern Michigan and were assessed nondestructively using these techniques. Statistical comparisons between stiffness and MOE values obtained from each technique were then examined. Results of this study demonstrated that strong relationships exist between the log properties determined by the three techniques, longitudinal stress wave, transverse vibration, and static bending. Developed models allow for the prediction of static bending properties of logs at levels of accuracy previously considered unattainable. This indicates that any of these techniques can be used to sort small diameter logs with reasonable accuracy.
Download or read book Research Paper FPL-RP written by and published by . This book was released on 1986 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In Situ Assessment of Structural Timber by : Bohumil Kasal
Download or read book In Situ Assessment of Structural Timber written by Bohumil Kasal and published by Springer Science & Business Media. This book was released on 2011-03-10 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood is one of the most intriguing structural materials and the only one that is truly renewable. Along with stone, wood is the oldest structural material on the planet and has been extensively used throughout human history. Due to its aesthetical value and positive environmental impact, wood has experienced a renaissance in construction. As a biodegradable, hygroscopic, non-isotropic material, wood presents special challenges for a professional and requires through knowledge ranging from biology to continuum mechanics. This state-of-the-art report reflects the current knowledge in the area of in situ assessment of the physical and mechanical properties of wood structures. Nondestructive, semi-destructive and destructive methods are described in a systematic manner where technology, equipment and limitations are discussed. Some of the discussed methods are used in other materials such as masonry and concrete. Most of the methods, however, are specific to wood and special qualifications are required to understand and apply these methods effectively. Existing methods are constantly improved and new methods are being developed. This report includes methods that are used in practice or have shown significant promise and have a body of knowledge that supports statements made in this report. This is a useable tool for professionals, researchers, educators and students
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 2000 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the SEM IX International Congress on Experimental Mechanics by : International Congress on Experimental Mechanics
Download or read book Proceedings of the SEM IX International Congress on Experimental Mechanics written by International Congress on Experimental Mechanics and published by . This book was released on 2000 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Note FPL-RN. written by and published by . This book was released on 1986 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wood Protection and Preservation by : Christian Brischke
Download or read book Wood Protection and Preservation written by Christian Brischke and published by MDPI. This book was released on 2020-12-10 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood is an advantageous building material in many respects, but it is biodegradable and therefore requires protection when used in highly hazardous applications. This Special Issue comprises 19 papers by authors from 14 countries in Asia, North America and Europe. They represent a wide range of aspects related to wood protection and wood preservation, and give timely examples of research activities that can be observed around the globe. Several authors reported on the processes of thermal modification and different chemical wood modification techniques, which are among the latest alternative wood protection methods without the use of biocides. New preservatives and assessment methods of preservative-treated wood products are presented, as well as studies on the natural durability of wood, fire-retardant treated wood, the effect of concrete on wood durability and different novel surface modification techniques using plasma. In addition to biological durability, the mechanical properties, moisture performance, bonding properties, weathering stability and the corrosiveness of differently treated wood are investigated and reported within this Special Issue. Examples of research on fungal biology, service life planning with wood and test methodology are also included and complete the Special Issue.
Book Synopsis Proceedings of the Symposium on Needs for Nondestructive Testing in the Forest Products Industries by :
Download or read book Proceedings of the Symposium on Needs for Nondestructive Testing in the Forest Products Industries written by and published by . This book was released on 1965 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nondestructive Evaluation of Aging Materials and Composites by :
Download or read book Nondestructive Evaluation of Aging Materials and Composites written by and published by . This book was released on 2000 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wood and Fiber Science written by and published by . This book was released on 1983 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report of Proceedings by : American Wood-Preservers' Association. Meeting
Download or read book Report of Proceedings written by American Wood-Preservers' Association. Meeting and published by . This book was released on 1994 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: List of members in each vol. (except v. 2).
Book Synopsis U.S. Forest Service Research Note FPL by :
Download or read book U.S. Forest Service Research Note FPL written by and published by . This book was released on 1964 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis GB/T-2022, GB-2022 -- Chinese National Standard PDF-English, ... by :
Download or read book GB/T-2022, GB-2022 -- Chinese National Standard PDF-English, ... written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
