Fizička i mehanička svojstva drveta crvenog hrasta u okolini Beograda (Srbija)

Abstract

Drvo crvenog hrasta (Quercus rubra L.), koje se smatra visokokvalitetnom sirovinom za obradu u drvnoj industriji, do sada nije bilo ispitivano u Srbiji. Trenutno u Srbiji postoje samo male površine pošumljene crvenim hrastom, ali su u okolini Beograda prisutne značajne sastojine ove vrste. U ovom radu su ispitana osnovna fizička i mehanička svojstva drveta crvenog hrasta u Srbiji. Ispitano stablo, starosti oko 57 godina, posečeno je u Lipovici, kraj Beograda, i uzeta su dva trupčića radi laboratorijskih analiza. Rezultati istraživanja pokazuju da se svojstva drveta crvenog hrasta ne razlikuju značajno od svojstava autohtonih vrsta hrastova u Srbiji - kitnjaka i lužnjaka. Sem toga, vrednosti osnovnih mehaničkih svojstava drveta crvenog hrasta u Srbiji su bile približne odgovarajućim vrednostima koje su ustanovili istraživači u Evropi i SAD. Iz tog razloga bi trebalo razmotriti primenu drveta crvenog hrasta u domaćoj drvnoj industriji.

The wood of northern red oak (Quercus rubra L.), considered to be a very high-quality material for processing in the wood industry, has not been tested in Serbia so far. To date, there are only small areas under northern red oak in Serbia, but there are significant stands of this species in the vicinity of Belgrade. In this paper, the basic physical and mechanical wood properties of northern red oak in Serbia were tested. The examined 57 years old tree was located in the forest of Lipovica, near Belgrade. The tree was cut down and two small logs were taken to the laboratory for analysis. The results show that the properties of wood of northern red oak do not differ significantly from the properties of native oak species in Serbia - sessile and pedunculate oak. In addition, the values of basic mechanical properties of wood of northern red oak in Serbia were similar to the relevant values obtained by other researchers in Europe and the USA. Thus, the utilization of wood of northern red oak in the local wood processing industry should be considered.