A NEW FAILURE CRITERION FOR NON DECAYED SOLITARY TREES

Autor:	Iwiza Tesari, Claus Mattheck, K. Bethge, R. Kappel
Rok vydání:	2002
Předmět:	Homogeneous Mathematical analysis Load distribution Tree stability Agronomy and Crop Science Mathematics
Zdroj:	Arboricultural Journal. 26:43-54
ISSN:	2168-1074 0307-1375
DOI:	10.1080/03071375.2002.9747317
Popis:	Summary Trees strive for a homogeneous load distribution on their surface and restore this state by load adaptive growth. If however trees grow up in a dense stand, they compete for light and grow phototropic more into height than in thickness. Thereby the Axiom of uniform stress can no longer be realized for energetic reasons. On the basis of a Height/Diameter (H/D)-ratio a new failure criterion is presented, that relates a higher mechanical safety and a better biological supply with water and assimilates to trees with a lower H/D-ratio.
Databáze:	OpenAIRE
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