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Srovnání přirozené trvanlivosti dřeva modřínu opadavého a sibiřského
Nepožitek, Tomáš
The goal of the thesis was to verify the natural durability of the wood of European larch (Larix decidua) and Siberian larch (Larix sibirica). The next task was to determine the dependency of decrease in weight on the density of wood, width of tree rings and on the proportion of latewood. The verification of natural durability was done by a laboratory test based on the norm ČSN EN 113. Serpula lacrymans and Poria placenta, both brown rot wood-decay fungi were used to test the durability of the wood. The outcomes of the test were evaluated by the norm ČSN EN 350.Larix deciduaandLarix sibiricawere classified as non-durable and Perishable (classification no. 4 and 5). The degradatory effect of the wood-decay fungi was only proven depending on the density of wood.

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