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Wood : The Internal Optimization of Trees : Springer Series in Wood Science - Claus Mattheck

Wood : The Internal Optimization of Trees

Springer Series in Wood Science

Paperback ISBN: 9783540620198
Number Of Pages: 131

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Wood is a biological structure well-adapted to external loading. It carries axial loads in a tree by longitudinal fibres and radial loads by rays; circumferential compressive growth stresses prevent the tree from splitting along the rays. It is shown that axial and lateral strength is highest at places of maximum loading. Also, growth stresses are distributed in a load-controlled way. The vivid style used by the authors avoids complex formulas, preferring many impressive and simple to understand drawings. They show how a tree is internally optimized and how the partial or global breakdown of this interwoven axial and radial optimization can lead to the different failure modes.

Introductionp. 1
Mechanical Fundamentalsp. 2
The Mechanical Self-Optimization of Trees - Five Theoremsp. 21
The Principle of Minimum Lever Armsp. 22
The Axiom of Uniform Stressp. 27
Parallel Fiber and Force Flow Arrangementp. 38
Tree Rings and Force Flowp. 60
Growth Stressesp. 63
Stress-Controlled Strength Distributionp. 90
Cracksp. 109
Final Remarks - Review and Outlookp. 122
Referencesp. 125
Subject Indexp. 127
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9783540620198
ISBN-10: 3540620192
Series: Springer Series in Wood Science
Audience: General
Format: Paperback
Language: English
Number Of Pages: 131
Publisher: Springer-Verlag Berlin and Heidelberg Gmbh & Co. Kg
Country of Publication: DE
Dimensions (cm): 23.72 x 15.72  x 1.09
Weight (kg): 0.23