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Study on Termites Resistance of Oak Wood by Field test stakes.

With the aim of measuring the durability of Oak (Quercus castaneafolia), 2x2x45 cm samples were prepared. The treatments were included natural and impregnated with Celcure and creosote. Wood samples with 20 replication installed in 2 zones included Qom and Khozestan provinces. Evaluation of samples were done qualitatively and based on ASTM D-1758-01. According to the results of periodically evaluation, Oak wood is "perishable". All of the Celcure impregnated samples after 60 months and Creosote impregnated samples after 36 months installation in Khozestan, Celcure and creosote impregnated after 41 months in Qom were sound. Stating on longtime result of wood preservative effect needs more investigation.