National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Využití přístrojových metod k hodnocení stavu stromů
Vančurová, Klára
The bachelor thesis is focused on the topic: Use of instrumental methods to evaluate the condition of trees. The first part of the literature review describes the vitality of trees and explains why they are evaluated. Subsequently, the work deals with the division of individual methods and devices into visual and instrumental evaluation. These are then further categorized according to their principle of use.Totaly were evaluated four instrumental methods of physiological vitality and for biomechanical vitality six visual and eighteen instrumental method. In the next part, based on the description of these instrumental methods, an analysis of companies in the Czech Republic was created, which provide measurement and evaluation of expert opinions with these instruments.
Srovnání hodnot stability stromu zjištěných různými přístrojovými metodami
Šíma, Marek
The thesis is focused on the comparison of tree stability values and break resistance of stem against fracture using various instrumental methods. The accuracy and suitability of individual methods is discussed in the literature review. At the selected locality, the trees were visually evaluated and subsequently the break resistance of stem was measured. The methods used were acoustic tomography and pulling test. The basic value of the stability of a healthy tree under wind load and the stability value with respect to stem damage by defect or rotting are compared.

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