Committees on Tree Growth Stresses, Quality Requirements for End Use, Nomenclature Standardization, Pruning Effects on Wood Quality, Relationship Between Surface Characteristics and Internal Properties of Wood PDF Download
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Author: International Union of Forestry Research Organizations. Section 41. Working Groups of Wood Quality, Sawing and Machining, and Tree Chemistry
Publisher:
ISBN:
Category : Lumber
Languages : en
Pages : 478
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Book Description
Author: International Union of Forestry Research Organizations. Section 41. Working Groups of Wood Quality, Sawing and Machining, and Tree Chemistry
Publisher:
ISBN:
Category : Lumber
Languages : en
Pages : 478
Get Book Here
Book Description
Author: International Union of Forestry Research Organizations. Section 41. Working Groups of Wood Quality, Sawing and Machining, and Tree Chemistry
Publisher:
ISBN:
Category : Lumber
Languages : en
Pages : 404
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Book Description
Author: International Union of Forestry Research Organizations. Section 41. Meeting
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 398
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Book Description
Author: International Union of Forestry Research Organizations
Publisher:
ISBN:
Category : Fireproofing of wood
Languages : en
Pages : 600
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Book Description
Author:
Publisher:
ISBN:
Category : Wood
Languages : en
Pages : 124
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Book Description
Author: International Union of Forestry Research Organizations. Forest Products section
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 634
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Book Description
Author: National Committee on Wood Utilization (U.S.)
Publisher:
ISBN:
Category : Lumber trade
Languages : en
Pages : 16
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Book Description
Author: Forest Products Laboratory (U.S.)
Publisher:
ISBN:
Category : Strains and stresses
Languages : en
Pages : 68
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Book Description
Author: Dick Sandberg
Publisher: CRC Press
ISBN: 1351028200
Category : Nature
Languages : en
Pages : 765
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Book Description
The market for durable products using modified wood has increased substantially during the last few years. This is partly because of the restriction on the use of toxic preservatives due to environmental concerns, and to lower maintenance cost and time. Furthermore, as sustainability becomes a greater concern, the environmental impact of construction and interior materials is factored in planning by considering the whole life cycle and embodied energy of the materials used. Wood is modified to improve its intrinsic properties, enhance the range of applications of timber, and to acquire the form and functionality desired by engineers without calling the environmental friendliness into question. Wood modification processes are at various stages of development, and the challenges faced in scaling up to industrial applications differ. The aim of this book is to put together the key elements of the changes of wood constituents and the related changes in wood properties of modified wood. Further, a selection of the principal technologies implemented in wood modification are presented. This work is intended for researchers, professionals of timber construction, as well as students studying the science of materials, civil engineering and architecture. This work is not exhaustive, but intends to deliver an outline of the scientific disciplines necessary to apprehend the technologies of wood modification and its behavior during treatment, as well as during its use.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 23
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Book Description
In 1977, the New Brunswick Tree Improvement Council conducted tests of the wood density of six to ten year old jack pine using the Pilodyn wood tester. This report presents results of a study undertaken to re-evaluate the wood density of those trees at age 16 using a more precise method and to assess the potential of using a stress wave technique in assessing wood quality. The first phase of the study compared measurements from Pilodyn and stress wave methods against actual wood properties such as surface density and elasticity modulus. The second phase used x-ray densitometry to measure wood density and other wood quality traits such as ring width. In this phase, the investigators extracted core samples from selected trees and measured tree growth characteristics, using x-ray densitometric analysis to measure wood quality traits on the core samples. The results presented include correlations between wood density and growth traits as well as the effectiveness of the evaluation methods employed.
