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Author : Isao Obara
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (869 download)
Download or read book Analysis of the Tension in the Guylines for Cable Logging Support Trees written by Isao Obara and published by . This book was released on 1982 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (319 download)
Download or read book A procedure for analysis of guyline tension written by and published by . This book was released on 1982 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (2 download)
Download or read book General Technical Report PNW. written by and published by . This book was released on 1978 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 652 pages
Book Rating : 4.F/5 ( download)
Download or read book Influence of Forest and Rangeland Management on Anadromous Fish Habitat in Western North America written by and published by . This book was released on 1979 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 820 pages
Book Rating : 4.E/5 ( download)
Download or read book Journal of Northeast Forestry University (English Edition). written by and published by . This book was released on 1990 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Society of Agricultural Engineers
Publisher :
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.3/5 (231 download)
Download or read book Transactions of the ASAE. written by American Society of Agricultural Engineers and published by . This book was released on 1988 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings of the International Mountain Logging and Pacific Northwest Skyline Symposium written by and published by . This book was released on 1989 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wade H. Shafer
Publisher : Springer
ISBN 13 : 9780306416613
Total Pages : 352 pages
Book Rating : 4.4/5 (166 download)
Download or read book Masters Theses in the Pure and Applied Sciences Accepted by Colleges and Universities of the United States and Canada written by Wade H. Shafer and published by Springer. This book was released on 1984-02-01 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This series lists applicable thesis titles published in the United States and Canada. Volume 40 covers thesis year 1995. All back volumes are still available.
Author :
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.:/5 (319 download)
Download or read book Technical Note - Forest Engineering Research Institute of Canada written by and published by . This book was released on 1997 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: No. 1-13 are short-term studies; with no. 14 becomes a series of supplementary reports summarizing the results of longer-term data collection.
Author : Francis W. Fodge
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (135 download)
Download or read book Engineering Analysis of Forces Created in Two Tree Intermediate Supports During Multi-span Logging written by Francis W. Fodge and published by . This book was released on 1981 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analysis of forces on two tree intermediate supports is presented. The analysis is in two parts: The maximum force that the support jack will experience. The movement and forces created in the two tree support by the skyline and carriage. The maximum force on the support jack occurs when the carriage moves onto the jack. The support line tension varies with changes in skyline geometry and support tree geometry. The equations developed to accomplish the above analysis require iteration to arrive at the solution. Computer programs developed for the Hewlett Packard 9830 desk top computer are presented. The computer programs solve for the maximum force on the jack, the support jack movement, and the support line tension. Tensions in an experimental multi-span skyline were measured to test assumptions made during the analysis. The assumptions appear to cause the computer programs to overestimate the support line tension. The two-tree analysis was used to analyze two current multi-span problems: Skyline spans that create a horizontal angle in the skyline at the support jack. Maximum support line tensions. The two problems were analyzed by using two hypothetical multi-span skylines and the two-tree support computer programs.
Author : James W. Charland
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (38 download)
Download or read book Analysis of Intermediate Support Cable Logging Systems written by James W. Charland and published by . This book was released on 1997 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: The forest products industry often uses intermediate-support cable logging systems to transport logs from the harvest site to a staging area. A method is presented to assist in the analysis and design of these cable systems. The method determines tensions in individual cables, forces on and stresses in the support trees, and the geometry of the system under load. Static equilibrium and cable length compatibility are used to generate a system of simultaneous equations. This system of coupled, non-linear algebraic equations is solved numerically using the Newton-Raphson algorithm. A good, automated initial guess for the unknown quantities, based on the physics of the problem, is provided. A model of an example intermediate support cable logging system is analyzed by the proposed approach and the resulting behavior discussed. The method includes the effects of catenary sag and elastic stretch in the cables, and elastic behavior in the support trees. Friction is ignored in the formulation. The catenary and elastic stretch methodologies for the cables are each demonstrated on a single cable span as well as on a demonstration cable system. The effect of the support tree flexibility and cable mass are found to be significant on the response of the cable logging system. The effects of elastic stretch in the cables is not found to be significant for the cable logging systems considered.
Author : University of Washington. Engineering Experiment Station
Publisher :
ISBN 13 :
Total Pages : 840 pages
Book Rating : 4.:/5 (29 download)
Download or read book Bulletin - University of Washington, Engineering Experiment Station written by University of Washington. Engineering Experiment Station and published by . This book was released on 1928 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (2 download)
Download or read book USDA Forest Service General Technical Report PNW. written by and published by . This book was released on 1977 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 548 pages
Book Rating : 4.E/5 ( download)
Download or read book International Journal of Forest Engineering written by and published by . This book was released on 2001 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 920 pages
Book Rating : 4.0/5 ( download)
Download or read book Forestry Bibliography 1981-84: Indexes written by and published by . This book was released on 1985 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John J. Garland
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings of the Fourth Northwest Skyline Symposium written by John J. Garland and published by . This book was released on 1980 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (319 download)
Download or read book The Forester's Almanac, 1977 written by Pacific Northwest Forest and Range Experiment Station (Portland, Or.) and published by . This book was released on 1977 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
