Decay attack of selected wood species in contact with field evaluated by EN 252 - results after 1/2 year | Hnilobný atak vybraných druhov dreva pri kontakte so zemou hodnotený podľa EN 252 - výsledky po 1/2 roku
2009
Pánek, M., Technical University in Zvolen (Slovak Republic). Faculty of Wood Technology | Reinprecht, L. | Mamoňová, M.
Seven domestic species of wood - pine (heartwood and sapwood), spruce, oak, alder, beech, horn beam and maple (their heartwood) have been tested for natural durability in ground contact under natural conditions by STN EN 252. Tests with the specimen s of 25 x 50 x 500 mm were carried out on the test-field in Arborétum Borová Hora in Zvolen from 02105/2008 to 02/11/2008. Decay process in diferent parts of specimens was evaluated on the basis of changes of ultrasound waves velocity and dynamic modulus of elasticity and also by visual and microscopic analyses after 6-months exposition.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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